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                                                                    EXHIBIT 4.12

NEITHER THESE SECURITIES NOR THE SECURITIES INTO WHICH THESE SECURITIES ARE
EXERCISABLE HAVE BEEN REGISTERED WITH THE SECURITIES AND EXCHANGE COMMISSION OR
THE SECURITIES COMMISSION OF ANY STATE IN RELIANCE UPON AN EXEMPTION FROM
REGISTRATION UNDER SECURITIES ACT OF 1933, AS AMENDED (THE "SECURITIES ACT"),
AND, ACCORDINGLY, MAY NOT BE OFFERED OR SOLD EXCEPT PURSUANT TO AN EFFECTIVE
REGISTRATION STATEMENT UNDER THE SECURITIES ACT OR PURSUANT TO AN AVAILABLE
EXEMPTION FROM THE REGISTRATION REQUIREMENTS THEREUNDER AND IN COMPLIANCE WITH
APPLICABLE STATE SECURITIES OR BLUE SKY LAWS.

                              ELTRAX SYSTEMS, INC.

                                     WARRANT

Warrant No. ZZ-2

Dated:   July 27, 2000

    Eltrax Systems, Inc., a Minnesota corporation (the "Company"), hereby
certifies that, for value received, STRONG RIVER INVESTMENTS, INC. or its
registered assigns ("Holder"), is entitled, subject to the terms set forth
below, to purchase from the Company up to a total of 26,041 shares of common
stock, $.01 par value per share (the "Common Stock"), of the Company (each such
share, a "Warrant Share" and all such shares, the "Warrant Shares"). The initial
"Exercise Price" for Warrant Shares shall be $5.03, and shall be subject to
adjustment from time to time as provided in Section 7. The Holder may acquire
Warrant Shares under this Warrant at such times as is provided for in Section
3(a) hereof.

    This Warrant shall be subject to the following terms and conditions:

    1.   Registration of Warrant. The Company shall register this Warrant, upon
records to be maintained by the Company for that purpose (the "Warrant
Register"), in the name of the record Holder hereof from time to time. The
Company may deem and treat the registered Holder of this Warrant as the absolute
owner hereof for the purpose of any exercise hereof or any distribution to the
Holder, and for all other purposes, and the Company shall not be affected by
notice to the contrary.

    2.   Registration of Transfers and Exchanges.

         (a)   The Company shall register the transfer of any portion of this
Warrant in the Warrant Register, upon surrender of this Warrant, with the Form
of Assignment attached hereto duly completed and signed, to the Transfer Agent
or to the Company at its address for notice set forth in Section 11. Upon any
such registration or transfer, a new warrant to

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purchase Common Stock, in substantially the form of this Warrant (any such new
warrant, a "New Warrant"), evidencing the portion of this Warrant so transferred
shall be issued to the transferee and a New Warrant evidencing the remaining
portion of this Warrant not so transferred, if any, shall be issued to the
transferring Holder. The acceptance of the New Warrant by the transferee thereof
shall be deemed the acceptance of such transferee of all of the rights and
obligations of a holder of a Warrant.

         (b)   This Warrant is exchangeable, upon the surrender hereof by the
Holder to the office of the Company at its address for notice set forth in
Section 11 for one or more New Warrants, evidencing in the aggregate the right
to purchase the number of Warrant Shares which may then be purchased hereunder.
Any such New Warrant will be dated the date of such exchange.

         (c)   This Warrant has been issued subject to certain investment
representations of the original Holder set forth in the Convertible Debenture
Purchase Agreement among the Company and the Holder dated as of July 27, 2000
(the "Purchase Agreement") and may only be transferred or exchanged in
compliance with the transfer restrictions contained therein.

    3.   Duration and Exercise of Warrants.

         (a)   This Warrant shall be exercisable by the registered Holder on any
business day before 6:30 P.M., New York City time, and from time to time from
and after the earliest to occur of (a) one hundred fifty days after the Initial
Closing Date (as such term is defined in Section 1.2 of the Purchase Agreement,
or (b) the Second Closing Date (as such term is defined in Section 1.3 of the
Purchase Agreement), and through and including July 26, 2005 (the "Expiration
Date").; provided, however, that this Warrant shall be null and void ab initio,
and of no force and effect in the event the Holder breaches its obligation to
purchase the Second Tranche Debentures as contemplated by the Purchase
Agreement. At 6:30 P.M., New York City time on the Expiration Date, the portion
of this Warrant not exercised prior thereto shall be and become void and of no
value. Prior to the Expiration Date, the Company may not call or otherwise
redeem this Warrant without the prior written consent of the Holder.

         (b)   Upon surrender of this Warrant, with the Form of Election to
Purchase attached hereto duly completed and signed, to the Company at its
address for notice set forth in Section 12 and upon payment of the Exercise
Price multiplied by the number of Warrant Shares that the Holder intends to
purchase hereunder, in the manner provided hereunder, all as specified by the
Holder in the Form of Election to Purchase, the Company shall promptly (but in
no event later than three business days after the Date of Exercise (as defined
herein)) issue or cause to be issued and cause to be delivered to or upon the
written order of the Holder and in such name or names as the Holder may
designate, a certificate for the Warrant Shares issuable upon such exercise,
free of restrictive legends except (i) either in the event that a registration
statement covering the resale of the Warrant Shares and naming the Holder as a
selling stockholder thereunder is not then effective or the Warrant Shares are
not freely

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transferable without volume restrictions pursuant to Rule 144(k) promulgated
under the Securities Act of 1933, as amended (the "Securities Act"), or (ii) if
this Warrant shall have been issued pursuant to a written agreement between the
original Holder and the Company, as required by such agreement. Any person so
designated by the Holder to receive Warrant Shares shall be deemed to have
become holder of record of such Warrant Shares as of the Date of Exercise of
this Warrant. The Company shall, upon request of the Holder, if available, use
its best efforts to deliver Warrant Shares hereunder electronically through the
Depository Trust Corporation or another established clearing corporation
performing similar functions.

         (c)   A "Date of Exercise" means the date on which the Company shall
have received (i) this Warrant (or any New Warrant, as applicable), with the
Form of Election to Purchase attached hereto (or attached to such New Warrant)
appropriately completed and duly signed, and (ii) payment of the Exercise Price
for the number of Warrant Shares so indicated by the Holder hereof to be
purchased.

         (d)   This Warrant shall be exercisable, either in its entirety or,
from time to time, for a portion of the number of Warrant Shares, representing
not less than 10% of the original Warrant Shares or such lesser amount as is
then remaining available for exercise. If less than all of the Warrant Shares
which may be purchased under this Warrant are exercised at any time, the Company
shall issue or cause to be issued, at its expense, a New Warrant evidencing the
right to purchase the remaining number of Warrant Shares for which no exercise
has been evidenced by this Warrant.

    4.   Payment of Taxes. The Company will pay all documentary stamp taxes
attributable to the issuance of Warrant Shares upon the exercise of this
Warrant; provided, however, that the Company shall not be required to pay any
tax which may be payable in respect of any transfer involved in the registration
of any certificates for Warrant Shares or Warrants in a name other than that of
the Holder. The Holder shall be responsible for all other tax liability that may
arise as a result of holding or transferring this Warrant or receiving Warrant
Shares upon exercise hereof.

    5.   Replacement of Warrant. If this Warrant is mutilated, lost, stolen or
destroyed, the Company shall issue or cause to be issued in exchange and
substitution for and upon cancellation hereof, or in lieu of and substitution
for this Warrant, a New Warrant, but only upon receipt of evidence reasonably
satisfactory to the Company of such loss, theft or destruction and indemnity, if
requested, satisfactory to it. Applicants for a New Warrant under such
circumstances shall also comply with such other reasonable regulations and
procedures and pay such other reasonable charges as the Company may prescribe.

    6.   Reservation of Warrant Shares. The Company covenants that it will at
all times reserve and keep available out of the aggregate of its authorized but
unissued Common Stock, solely for the purpose of enabling it to issue Warrant
Shares upon exercise of this Warrant as herein provided, the number of Warrant
Shares which are then issuable and deliverable upon the exercise of this entire
Warrant, free from preemptive rights or any other actual contingent purchase
rights of persons other than the Holder (taking into account the adjustments and

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restrictions of Section 7). The Company covenants that all Warrant Shares that
shall be so issuable and deliverable shall, upon issuance and the payment of the
applicable Exercise Price in accordance with the terms hereof, be duly and
validly authorized, issued and fully paid and nonassessable.

    7.   Certain Adjustments. The Exercise Price and number of Warrant Shares
issuable upon exercise of this Warrant are subject to adjustment from time to
time as set forth in this Section 7. Upon each such adjustment of the Exercise
Price pursuant to this Section 7, the Holder shall thereafter prior to the
Expiration Date be entitled to purchase, at the Exercise Price resulting from
such adjustment, the number of Warrant Shares obtained by multiplying the
Exercise Price in effect immediately prior to such adjustment by the number of
Warrant Shares issuable upon exercise of this Warrant immediately prior to such
adjustment and dividing the product thereof by the Exercise Price resulting from
such adjustment.

         (a)   If the Company, at any time while this Warrant is outstanding,
(i) shall pay a stock dividend (except scheduled dividends paid on preferred
stock which contain a stated dividend rate) or otherwise make a distribution or
distributions on shares of its Common Stock or on any other class of capital
stock payable in shares of Common Stock, (ii) subdivide outstanding shares of
Common Stock into a larger number of shares, or (iii) combine outstanding shares
of Common Stock into a smaller number of shares, the Exercise Price shall be
multiplied by a fraction of which the numerator shall be the number of shares of
Common Stock (excluding treasury shares, if any) outstanding before such event
and of which the denominator shall be the number of shares of Common Stock
(excluding treasury shares, if any) outstanding after such event. Any adjustment
made pursuant to this Section shall become effective immediately after the
record date for the determination of stockholders entitled to receive such
dividend or distribution and shall become effective immediately after the
effective date in the case of a subdivision or combination, and shall apply to
successive subdivisions and combinations.

         (b)   In case of any reclassification of the Common Stock or any
compulsory share exchange pursuant to which the Common Stock is converted into
other securities, cash or property, then the Holder shall have the right
thereafter to exercise this Warrant only into the shares of stock and other
securities and property receivable upon or deemed to be held by holders of
Common Stock following such reclassification or share exchange, and the Holder
shall be entitled upon such event to receive such amount of securities or
property equal to the amount of Warrant Shares such Holder would have been
entitled to had such Holder exercised this Warrant immediately prior to such
reclassification or share exchange. The terms of any such reclassification or
share exchange shall include such terms so as to continue to give to the Holder
the right to receive the securities or property set forth in this Section 8(b)
upon any exercise following any such reclassification or share exchange.

         (c)   If the Company, at any time while this Warrant is outstanding,
shall distribute to all holders of Common Stock (and not to holders of this
Warrant) evidences of its indebtedness or assets or rights or warrants to
subscribe for or purchase any security (excluding those referred to in Sections
7(a), (b) and (d)), then in each such case the Exercise

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Price shall be determined by multiplying the Exercise Price in effect
immediately prior to the record date fixed for determination of stockholders
entitled to receive such distribution by a fraction of which the denominator
shall be the Exercise Price determined as of the record date mentioned above,
and of which the numerator shall be such Exercise Price on such record date less
the then fair market value at such record date of the portion of such assets or
evidence of indebtedness so distributed applicable to one outstanding share of
Common Stock as determined by the Company's independent certified public
accountants that regularly examines the financial statements of the Company (an
"Appraiser").

         (d)   If the Company or any subsidiary thereof, as applicable with
respect to Common Stock Equivalents (as defined below), at any time while this
Warrant is outstanding, shall issue shares of Common Stock or rights, warrants,
options or other securities or debt that is convertible into or exchangeable for
shares of Common Stock ("Common Stock Equivalents"), entitling any person to
acquire shares of Common Stock at a price per share less than the Exercise Price
(if the holder of the Common Stock or Common Stock Equivalent so issued shall at
any time, whether by operation of purchase price adjustments, reset provisions,
floating conversion, exercise or exchange prices or otherwise, or due to
warrants, options or rights issued in connection with such issuance, be entitled
to receive shares of Common Stock at a price less than the Exercise Price, such
issuance shall be deemed to have occurred for less than the Exercise Price),
then the Exercise Price shall be multiplied by a fraction, the numerator of
which shall be the number of shares of Common Stock outstanding immediately
prior to the issuance of such Common Stock or such Common Stock Equivalents plus
the number of shares of Common Stock which the offering price for such shares of
Common Stock or Common Stock Equivalents would purchase at the Exercise Price,
and the denominator of which shall be the sum of the number of shares of Common
Stock outstanding immediately prior to such issuance plus the number of shares
of Common Stock so issued or issuable, provided, that for purposes hereof, all
shares of Common Stock that are issuable upon conversion, exercise or exchange
of Common Stock Equivalents shall be deemed outstanding immediately after the
issuance of such Common Stock Equivalents. Such adjustment shall be made
whenever such Common Stock or Common Stock Equivalents are issued. However, upon
the expiration of any Common Stock Equivalents the issuance of which resulted in
an adjustment in the Exercise Price pursuant to this Section, if any such Common
Stock Equivalents shall expire and shall not have been exercised, the Exercise
Price shall immediately upon such expiration be recomputed and effective
immediately upon such expiration be increased to the price which it would have
been (but reflecting any other adjustments in the Exercise Price made pursuant
to the provisions of this Section after the issuance of such Common Stock
Equivalents) had the adjustment of the Exercise Price made upon the issuance of
such Common Stock Equivalents been made on the basis of offering for
subscription or purchase only that number of shares of the Common Stock actually
purchased upon the exercise of such Common Stock Equivalents actually exercised.
The foregoing shall not apply to any (i) issuances of securities as
consideration in a merger, consolidation or acquisition of assets, or in
connection with any strategic partnership or joint venture (the primary purpose
of which is not to raise equity capital), or as consideration for the
acquisition of a business, product or license by the Company, (ii) the issuance
of securities upon the exercise or conversion of the Company's options, warrants
or other convertible securities

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outstanding as of the date hereof, or (iii) the grant of options or warrants, or
the issuance of additional securities, under any duly authorized Company stock
option, restricted stock plan or stock purchase plan for the benefit of the
Company's employees.

         (e)   Except as contemplated by the Merger Agreement (as defined in the
Purchase Agreement) in case of any (1) merger or consolidation of the Company
with or into another Person, or (2) sale by the Company of more than one-half of
the assets of the Company (based upon then fair market value) in one or a series
of related transactions, (A) the Holder shall have the right at all times from
and after the date of such merger, sale or consolidation, as the case may be, to
and including the Expiration Date, to exercise this Warrant for the shares of
stock and other securities, cash and property receivable upon or deemed to be
held by holders of Common Stock immediately following such merger, consolidation
or sale, and the Holder shall be entitled upon such event or series of related
events to receive such amount of securities, cash and property as the Common
Stock for which this Warrant could have been exercised immediately prior to such
merger, consolidation or sales would have been entitled, or (B) the acquiring
company or newly created company shall have the right to pay the Holder the
value of the Warrant determined on a Black-Scholes basis. (For example, if (1)
the Company merges with and into another Person ("Newco") and as a result
thereof each share of Common Stock shall entitle the holder thereof to receive
two shares of the common stock of Newco and $2.00 in cash, and (2) the Exercise
Price is at the effective time of such merger $6.00 per share, then at all times
thereafter this Warrant shall upon the payment of $6.00 times the number of
Warrant Shares represent the right to receive (A) that number of shares of the
Common Stock of Newco as is equal to two times the Warrant Shares, and (B) that
amount of cash as is equal to $2.00 times the number of Warrant Shares.) The
terms of any such merger, sale or consolidation shall include such terms so as
to continue to give the Holder the right to receive the securities, cash and
property set forth in this Section upon any conversion or redemption following
such event. This provision shall similarly apply to successive such events.

         (f)   For the purposes of this Section 7, the following clauses shall
also be applicable:

               (i)   Record Date. In case the Company shall take a record of the
holders of its Common Stock for the purpose of entitling them (A) to receive a
dividend or other distribution payable in Common Stock or in securities
convertible or exchangeable into shares of Common Stock, or (B) to subscribe for
or purchase Common Stock or securities convertible or exchangeable into shares
of Common Stock, then such record date shall be deemed to be the date of the
issue or sale of the shares of Common Stock deemed to have been issued or sold
upon the declaration of such dividend or the making of such other distribution
or the date of the granting of such right of subscription or purchase, as the
case may be.

               (ii)  Treasury Shares. The number of shares of Common Stock
outstanding at any given time shall not include shares owned or held by or for
the account of the Company, and the disposition of any such shares shall be
considered an issue or sale of Common Stock.

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         (g)   All calculations under this Section 7 shall be made to the
nearest cent or the nearest 1/100th of a share, as the case may be.

         (h)   Whenever the Exercise Price is adjusted pursuant to Section 7(c)
above, the Holder, after receipt of the determination by the Appraiser, shall
have the right to select an additional appraiser (which shall be a nationally
recognized accounting firm), in which case the adjustment shall be equal to the
average of the adjustments recommended by each of the Appraiser and such
appraiser. The Holder shall promptly mail or cause to be mailed to the Company,
a notice setting forth the Exercise Price after such adjustment and setting
forth a brief statement of the facts requiring such adjustment. Such adjustment
shall become effective immediately after the record date mentioned above.

         (i)   If:

                                      (i)   the Company shall declare a dividend
                                            (or any other distribution) on its
                                            Common Stock; or

                                      (ii)  the Company shall declare a special
                                            nonrecurring cash dividend on or a
                                            redemption of its Common Stock; or

                                      (iii) the Company shall authorize the
                                            granting to all holders of the
                                            Common Stock rights or warrants to
                                            subscribe for or purchase any shares
                                            of capital stock of any class or of
                                            any rights; or

                                      (iv)  the approval of any stockholders of
                                            the Company shall be required in
                                            connection with any reclassification
                                            of the Common Stock, any
                                            consolidation or merger to which the
                                            Company is a party, any sale or
                                            transfer of all or substantially all
                                            of the assets of the Company, or any
                                            compulsory share exchange whereby
                                            the Common Stock is converted into
                                            other securities, cash or property;
                                            or

                                      (v)   the Company shall authorize the
                                            voluntary dissolution, liquidation
                                            or winding up of the affairs of the
                                            Company,

then the Company shall cause to be mailed to each Holder at their last addresses
as they shall appear upon the Warrant Register, at least twenty calendar days
prior to the applicable record or effective date hereinafter specified, a notice
stating (x) the date on which a record is to be taken for the purpose of such
dividend, distribution, redemption, rights or warrants, or if a record is not to
be taken, the date as of which the holders of Common Stock of record to be
entitled to such dividend, distributions, redemption, rights or warrants are to
be determined or (y) the date on which such reclassification, consolidation,
merger, sale, transfer or share exchange is expected to become effective or
close, and the date as of which it is expected that

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holders of Common Stock of record shall be entitled to exchange their shares of
Common Stock for securities, cash or other property deliverable upon such
reclassification, consolidation, merger, sale, transfer, share exchange,
dissolution, liquidation or winding up; provided, however, that the failure to
mail such notice or any defect therein or in the mailing thereof shall not
affect the validity of the corporate action required to be specified in such
notice.

    8.   Payment of Exercise Price. The Holder shall pay the Exercise Price in
one of the following manners:

         (a)   Cash Exercise. The Holder may deliver immediately available
funds; or

         (b)   Cashless Exercise. In the event, but only in such event, that on
or after the Effective Date (as defined in the Purchase Agreement) a
Registration Statement covering the resale of the Warrant Shares has not been
declared effective, then the Holder may surrender this Warrant to the Company
together with a notice of cashless exercise, in which event the Company shall
issue to the Holder the number of Warrant Shares determined as follows:

                             X = Y [(A-B)/A]

    where:

                             X = the number of Warrant Shares to be issued to
                             the Holder.

                             Y = the number of Warrant Shares with respect to
                             which this Warrant is being exercised.

                             A = the average of the closing sale prices of the
                             Common Stock for the five (5) trading days
                             immediately prior to (but not including) the Date
                             of Exercise.

                             B = the Exercise Price.

For purposes of Rule 144 promulgated under the Securities Act, it is intended,
understood and acknowledged that the Warrant Shares issued in a cashless
exercise transaction shall be deemed to have been acquired by the Holder, and
the holding period for the Warrant Shares shall be deemed to have been
commenced, on the issue date.

    9.   Certain Exercise Restrictions.

         (a)   A Holder may not exercise this Warrant to the extent such
exercise would result in the Holder, together with any affiliate thereof,
beneficially owning (as determined in accordance with Section 13(d) of the
Securities Exchange Act of 1934, as

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amended (the "Exchange Act") and the rules promulgated thereunder) in excess of
4.999% of the then issued and outstanding shares of Common Stock, including
shares issuable upon such exercise and held by such Holder after application of
this Section. Since the Holder will not be obligated to report to the Company
the number of shares of Common Stock it may hold at the time of an exercise
hereunder, unless the exercise at issue would result in the issuance of shares
of Common Stock in excess of 4.999% of the then outstanding shares of Common
Stock without regard to any other shares which may be beneficially owned by the
Holder or an affiliate thereof, the Holder shall have the authority and
obligation to determine whether the restriction contained in this Section will
limit any particular exercise hereunder and to the extent that the Holder
determines that the limitation contained in this Section applies, the
determination of which portion of this Warrant is exercisable shall be the
responsibility and obligation of the Holder. If the Holder has delivered a Form
of Election to Purchase for a number of Warrant Shares that, without regard to
any other shares that the Holder or its affiliates may beneficially own, would
result in the issuance in excess of the permitted amount hereunder, the Company
shall notify the Holder of this fact and shall honor the exercise for the
maximum portion of this Warrant permitted to be exercised on such Date of
Exercise in accordance with the periods described herein and, at the option of
the Holder, either keep the portion of the Warrant tendered for exercise in
excess of the permitted amount hereunder for future exercises or return such
excess portion of the Warrant to the Holder. The provisions of this Section may
be waived by a Holder (but only as to itself and not to any other Holder) upon
not less than sixty-one days prior notice to the Company. Other Holders shall be
unaffected by any such waiver.

         (b)   A Holder may not exercise this Warrant to the extent such
exercise would result in the Holder, together with any affiliate thereof,
beneficially owning (as determined in accordance with Section 13(d) of the
Exchange Act and the rules promulgated thereunder) in excess of 9.999% of the
then issued and outstanding shares of Common Stock, including shares issuable
upon such exercise and held by such Holder after application of this Section.
Since the Holder will not be obligated to report to the Company the number of
shares of Common Stock it may hold at the time of an exercise hereunder, unless
the exercise at issue would result in the issuance of shares of Common Stock in
excess of 9.999% of the then outstanding shares of Common Stock without regard
to any other shares which may be beneficially owned by the Holder or an
affiliate thereof, the Holder shall have the authority and obligation to
determine whether the restriction contained in this Section will limit any
particular exercise hereunder and to the extent that the Holder determines that
the limitation contained in this Section applies, the determination of which
portion of this Warrant is exercisable shall be the responsibility and
obligation of the Holder. If the Holder has delivered a Form of Election to
Purchase for a number of Warrant Shares that, without regard to any other shares
that the Holder or its affiliates may beneficially own, would result in the
issuance in excess of the permitted amount hereunder, the Company shall notify
the Holder of this fact and shall honor the exercise for the maximum portion of
this Warrant permitted to be exercised on such Date of Exercise in accordance
with the periods described herein and, at the option of the Holder, either keep
the portion of the Warrant tendered for exercise in excess of the permitted
amount hereunder for future exercises or return such excess portion of the
Warrant to the Holder. The provisions of this Section may be waived by a Holder
(but only as to itself

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and not to any other Holder) upon not less than sixty-one days prior notice to
the Company. Other Holders shall be unaffected by any such waiver.

    10.   Fractional Shares. The Company shall not be required to issue or cause
to be issued fractional Warrant Shares on the exercise of this Warrant. The
number of full Warrant Shares which shall be issuable upon the exercise of this
Warrant shall be computed on the basis of the aggregate number of Warrant Shares
purchasable on exercise of this Warrant so presented. If any fraction of a
Warrant Share would, except for the provisions of this Section, be issuable on
the exercise of this Warrant, the Company shall pay an amount in cash equal to
the Exercise Price multiplied by such fraction.

    11.  Notices. Any and all notices or other communications or deliveries
hereunder shall be in writing and shall be deemed given and effective on the
earliest of (i) the date of transmission, if such notice or communication is
delivered via facsimile at the facsimile telephone number specified in this
Section prior to 6:30 p.m. (New York City time) on a business day, (ii) the
business day after the date of transmission, if such notice or communication is
delivered via facsimile at the facsimile telephone number specified in this
Section later than 6:30 p.m. (New York City time) on any date and earlier than
11:59 p.m. (New York City time) on such date, (iii) the business day following
the date of mailing, if sent by nationally recognized overnight courier service,
or (iv) upon actual receipt by the party to whom such notice is required to be
given. The addresses for such communications shall be:

    If to the Company:   Eltrax Systems, Inc.
                         400 Galleria Parkway, Suite 300
                         Atlanta, GA 30339
                         Facsimile No.: (678) 589-3750
                         Attn: Chief Financial Officer

    With copies to:      Jaffe, Raitt, Heuer & Weiss P.C.
                         One Woodward Avenue, Suite 2400
                         Detroit, MI 48226
                         Facsimile No.: (313) 961-8358
                         Attn:  William E. Sider, Esq.

                         Rogers & Hardin LLP
                         2700 International Tower
                         229 Peachtree Street, N.E.
                         Atlanta, GA 30303
                         Facsimile No.:  (404) 525-2224
                         Attn:  Steven E. Fox, Esq.

                         and

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                         Cereus Technology Partners, Inc.
                         1000 Abernathy Road
                         400 Northpark, Suite 1000
                         Atlanta, GA 30328
                         Facsimile No.:  (770) 668-9095
                         Attn:  Chief Executive Officer

    If to a Purchaser:   To the address set forth under such
                         Purchaser's name on the signature
                         pages hereto.

    12.  Warrant Agent. The Company shall serve as warrant agent under this
Warrant. Upon thirty days' notice to the Holder, the Company may appoint a new
warrant agent. Any corporation into which the Company or any new warrant agent
may be merged or any corporation resulting from any consolidation to which the
Company or any new warrant agent shall be a party or any corporation to which
the Company or any new warrant agent transfers substantially all of its
corporate trust or shareholders services business shall be a successor warrant
agent under this Warrant without any further act. Any such successor warrant
agent shall promptly cause notice of its succession as warrant agent to be
mailed (by first class mail, postage prepaid) to the Holder at the Holder's last
address as shown on the Warrant Register.

    13.  Miscellaneous.

         (a)   This Warrant shall be binding on and inure to the benefit of the
parties hereto and their respective successors and assigns. This Warrant may be
amended only in writing signed by the Company and the Holder and their
successors and assigns.

         (b)   Subject to Section 13(a), above, nothing in this Warrant shall be
construed to give to any person or corporation other than the Company and the
Holder any legal or equitable right, remedy or cause under this Warrant. This
Warrant shall inure to the sole and exclusive benefit of the Company and the
Holder.

         (c)   The corporate laws of the State of Minnesota shall govern all
issues concerning the relative rights of the Company and its stockholders. All
other questions concerning the construction, validity, enforcement and
interpretation of this Warrant shall be governed by and construed and enforced
in accordance with the internal laws of the State of New York, without regard to
the principles of conflicts of law thereof. The Company and the Holder hereby
irrevocably submit to the exclusive jurisdiction of the state and federal courts
sitting in the City of New York, borough of Manhattan, for the adjudication of
any dispute hereunder or in connection herewith or with any transaction
contemplated hereby or discussed herein, and hereby irrevocably waives, and
agrees not to assert in any suit, action or proceeding, any claim that it is not
personally subject to the jurisdiction of any such court, or that such suit,
action or proceeding is improper. Each of the Company and the Holder hereby
irrevocably waives personal service of process and consents to process being
served in any such suit, action or proceeding by receiving a copy thereof sent
to the Company at the address

                                       11

<PAGE>   12

in effect for notices to it under this instrument and agrees that such service
shall constitute good and sufficient service of process and notice thereof.
Nothing contained herein shall be deemed to limit in any way any right to serve
process in any manner permitted by law.

         (d)   The headings herein are for convenience only, do not constitute a
part of this Warrant and shall not be deemed to limit or affect any of the
provisions hereof.

         (e)   In case any one or more of the provisions of this Warrant shall
be invalid or unenforceable in any respect, the validity and enforceability of
the remaining terms and provisions of this Warrant shall not in any way be
affected or impaired thereby and the parties will attempt in good faith to agree
upon a valid and enforceable provision which shall be a commercially

         (f)   reasonable substitute therefor, and upon so agreeing, shall
incorporate such substitute provision in this Warrant.

                  [REMAINDER OF PAGE INTENTIONALLY LEFT BLANK,
                             SIGNATURE PAGE FOLLOWS]

                                       12
<PAGE>   13

    IN WITNESS WHEREOF, the Company has caused this Warrant to be duly executed
by its authorized officer as of the date first indicated above.

                                   ELTRAX SYSTEMS, INC.

                                   By: /s/ William A. Fielder, III
                                      -----------------------------------------
                                       Name:  William A. Fielder, III
                                       Title: Chief Financial Officer

                                   By: /s/ Steven A. Odom
                                      -----------------------------------------
                                       Name:  Steven A. Odom
                                       Title: Acting Chief Executive Officer

<PAGE>   14

                          FORM OF ELECTION TO PURCHASE

(To be executed by the Holder to exercise the right to purchase shares of Common
Stock under the foregoing Warrant)

To Eltrax Systems, Inc.:

    The undersigned hereby irrevocably elects to purchase _____________ shares
of common stock, $.01 par value per share, of Eltrax Systems, Inc. (the "Common
Stock") and, if such Holder is not utilizing the cashless exercise provisions
set forth in this Warrant, encloses herewith $________ in cash, certified or
official bank check or checks, which sum represents the aggregate Exercise Price
(as defined in the Warrant) for the number of shares of Common Stock to which
this Form of Election to Purchase relates, together with any applicable taxes
payable by the undersigned pursuant to the Warrant.

    The Exercise Price applicable to the purchase hereunder equals $_________.

    The Holder hereby represents and warrants to the Company that it is an
accredited investor under Rule 501(a) promulgated under the Securities Act of
1933, as amended.

    The undersigned requests that certificates for the shares of Common Stock
issuable upon this exercise be issued in the name of

                                                   PLEASE INSERT SOCIAL SECURITY
                                                   OR TAX IDENTIFICATION NUMBER

                                                   _____________________________
______________________________
(Please print name and address)

    The undersigned hereby covenants and agrees that the undersigned (i) will
not sell or otherwise dispose of the shares of Common Stock to be delivered
pursuant to this Exercise Notice hereof (the "Shares") except pursuant to an
effective registration statement (the "Registration Statement") under the
Securities Act of 1933, as amended (the "Act"), (ii) will sell the Shares only
in accordance with the Plan of Distribution set forth in the prospectus forming
a part of the Registration Statement (the ("Prospectus"), (iii) will comply with
the requirements of the Act when selling or otherwise disposing of the Shares,
including, but not limited to, the prospectus delivery requirements of the Act,
(iv) will not sell or otherwise dispose of, and will return immediately to the
Company for the purpose of placing a restrictive legend thereon, the Shares (and
any certificates representing the Shares, if applicable) upon notice from the
Company that the Prospectus may not be used for the sale of the Shares, and (v)
will indemnify and hold harmless the Company, its directors, officers, agents
and employees, each person who controls the Company (within the meaning of
Section 15 of the Act and Section 20 of the Securities Exchange Act of 1934, as
amended), and the directors, officers, agents or employees of such controlling
persons, to the fullest extent permitted by

<PAGE>   15

applicable law, from and against all Losses (as defined in the Registration
Rights Agreement dated July 27, 2000 by and between the Company and the
investors signatory thereto) arising out of or based upon any breach by the
undersigned of any of the covenants contained herein.

    If the number of shares of Common Stock issuable upon this exercise shall
not be all of the shares of Common Stock which the undersigned is entitled to
purchase in accordance with the enclosed Warrant, the undersigned requests that
a New Warrant (as defined in the Warrant) evidencing the right to purchase the
shares of Common Stock not issuable pursuant to the exercise evidenced hereby be
issued in the name of and delivered to:

______________________________
(Please print name and address)

______________________________

______________________________

Dated:__________________________,

                                       Name of Holder:

                                       (Print)__________________________________

                                       (By:)____________________________________
                                       (Name:)__________________________________
                                       (Title:) ________________________________
                                       (Signature must conform in all respects
                                       to name of holder as specified on the
                                       face of the Warrant)

<PAGE>   16

                               FORM OF ASSIGNMENT

[To be completed and signed only upon transfer of Warrant]

    FOR VALUE RECEIVED, the undersigned hereby sells, assigns and transfers unto
________________________________ the right represented by the within Warrant to
purchase ____________ shares of Common Stock of Eltrax Systems, Inc. to which
the within Warrant relates and appoints ________________ attorney to transfer
said right on the books of Eltrax Systems, Inc. with full power of substitution
in the premises.

Dated:______________, ______

                                     ___________________________________________
                                     (Signature must conform in all respects to
                                     name of holder as specified on the face of
                                     the Warrant)

                                     ___________________________________________
                                     Address of Transferee

                                     ___________________________________________

                                     ___________________________________________

In the presence of:

___________________________<PAGE>   1
                                                                    EXHIBIT 4.13

NEITHER THESE SECURITIES NOR THE SECURITIES INTO WHICH THESE SECURITIES ARE
EXERCISABLE HAVE BEEN REGISTERED WITH THE SECURITIES AND EXCHANGE COMMISSION OR
THE SECURITIES COMMISSION OF ANY STATE IN RELIANCE UPON AN EXEMPTION FROM
REGISTRATION UNDER SECURITIES ACT OF 1933, AS AMENDED (THE "SECURITIES ACT"),
AND, ACCORDINGLY, MAY NOT BE OFFERED OR SOLD EXCEPT PURSUANT TO AN EFFECTIVE
REGISTRATION STATEMENT UNDER THE SECURITIES ACT OR PURSUANT TO AN AVAILABLE
EXEMPTION FROM THE REGISTRATION REQUIREMENTS THEREUNDER AND IN COMPLIANCE WITH
APPLICABLE STATE SECURITIES OR BLUE SKY LAWS.

                              ELTRAX SYSTEMS, INC.

                                     WARRANT

Warrant No. ZZ-5

Dated:    July 27, 2000

    Eltrax Systems, Inc., a Minnesota corporation (the "Company"), hereby
certifies that, for value received, BAY HARBOR INVESTMENTS, INC. or its
registered assigns ("Holder"), is entitled, subject to the terms set forth
below, to purchase from the Company up to a total of 26,041 shares of common
stock, $.01 par value per share (the "Common Stock"), of the Company (each such
share, a "Warrant Share" and all such shares, the "Warrant Shares"). The initial
"Exercise Price" for Warrant Shares shall be $5.03, and shall be subject to
adjustment from time to time as provided in Section 7. The Holder may acquire
Warrant Shares under this Warrant at such times as is provided for in Section
3(a) hereof.

    This Warrant shall be subject to the following terms and conditions:

    1.   Registration of Warrant. The Company shall register this Warrant, upon
records to be maintained by the Company for that purpose (the "Warrant
Register"), in the name of the record Holder hereof from time to time. The
Company may deem and treat the registered Holder of this Warrant as the absolute
owner hereof for the purpose of any exercise hereof or any distribution to the
Holder, and for all other purposes, and the Company shall not be affected by
notice to the contrary.

    2.   Registration of Transfers and Exchanges.

         (a)  The Company shall register the transfer of any portion of this
Warrant in the Warrant Register, upon surrender of this Warrant, with the Form
of Assignment attached hereto duly completed and signed, to the Transfer Agent
or to the Company at its address for notice set forth in Section 11. Upon any
such registration or transfer, a new warrant to

<PAGE>   2

purchase Common Stock, in substantially the form of this Warrant (any such new
warrant, a "New Warrant"), evidencing the portion of this Warrant so transferred
shall be issued to the transferee and a New Warrant evidencing the remaining
portion of this Warrant not so transferred, if any, shall be issued to the
transferring Holder. The acceptance of the New Warrant by the transferee thereof
shall be deemed the acceptance of such transferee of all of the rights and
obligations of a holder of a Warrant.

         (b)  This Warrant is exchangeable, upon the surrender hereof by the
Holder to the office of the Company at its address for notice set forth in
Section 11 for one or more New Warrants, evidencing in the aggregate the right
to purchase the number of Warrant Shares which may then be purchased hereunder.
Any such New Warrant will be dated the date of such exchange.

         (c)  This Warrant has been issued subject to certain investment
representations of the original Holder set forth in the Convertible Debenture
Purchase Agreement among the Company and the Holder dated as of July 27, 2000
(the "Purchase Agreement") and may only be transferred or exchanged in
compliance with the transfer restrictions contained therein.

     3.  Duration and Exercise of Warrants.

         (a)  This Warrant shall be exercisable by the registered Holder on any
business day before 6:30 P.M., New York City time, and from time to time from
and after the earliest to occur of (a) one hundred fifty days after the Initial
Closing Date (as such term is defined in Section 1.2 of the Purchase Agreement,
or (b) the Second Closing Date (as such term is defined in Section 1.3 of the
Purchase Agreement), and through and including July 26, 2005 (the "Expiration
Date").; provided, however, that this Warrant shall be null and void ab initio,
and of no force and effect in the event the Holder breaches its obligation to
purchase the Second Tranche Debentures as contemplated by the Purchase
Agreement. At 6:30 P.M., New York City time on the Expiration Date, the portion
of this Warrant not exercised prior thereto shall be and become void and of no
value. Prior to the Expiration Date, the Company may not call or otherwise
redeem this Warrant without the prior written consent of the Holder.

         (b)  Upon surrender of this Warrant, with the Form of Election to
Purchase attached hereto duly completed and signed, to the Company at its
address for notice set forth in Section 12 and upon payment of the Exercise
Price multiplied by the number of Warrant Shares that the Holder intends to
purchase hereunder, in the manner provided hereunder, all as specified by the
Holder in the Form of Election to Purchase, the Company shall promptly (but in
no event later than three business days after the Date of Exercise (as defined
herein)) issue or cause to be issued and cause to be delivered to or upon the
written order of the Holder and in such name or names as the Holder may
designate, a certificate for the Warrant Shares issuable upon such exercise,
free of restrictive legends except (i) either in the event that a registration
statement covering the resale of the Warrant Shares and naming the Holder as a
selling stockholder thereunder is not then effective or the Warrant Shares are
not freely

                                       2

<PAGE>   3

transferable without volume restrictions pursuant to Rule 144(k) promulgated
under the Securities Act of 1933, as amended (the "Securities Act"), or (ii) if
this Warrant shall have been issued pursuant to a written agreement between the
original Holder and the Company, as required by such agreement. Any person so
designated by the Holder to receive Warrant Shares shall be deemed to have
become holder of record of such Warrant Shares as of the Date of Exercise of
this Warrant. The Company shall, upon request of the Holder, if available, use
its best efforts to deliver Warrant Shares hereunder electronically through the
Depository Trust Corporation or another established clearing corporation
performing similar functions.

         (c)  A "Date of Exercise" means the date on which the Company shall
have received (i) this Warrant (or any New Warrant, as applicable), with the
Form of Election to Purchase attached hereto (or attached to such New Warrant)
appropriately completed and duly signed, and (ii) payment of the Exercise Price
for the number of Warrant Shares so indicated by the Holder hereof to be
purchased.

         (d)  This Warrant shall be exercisable, either in its entirety or, from
time to time, for a portion of the number of Warrant Shares, representing not
less than 10% of the original Warrant Shares or such lesser amount as is then
remaining available for exercise. If less than all of the Warrant Shares which
may be purchased under this Warrant are exercised at any time, the Company shall
issue or cause to be issued, at its expense, a New Warrant evidencing the right
to purchase the remaining number of Warrant Shares for which no exercise has
been evidenced by this Warrant.

     4.  Payment of Taxes. The Company will pay all documentary stamp taxes
attributable to the issuance of Warrant Shares upon the exercise of this
Warrant; provided, however, that the Company shall not be required to pay any
tax which may be payable in respect of any transfer involved in the registration
of any certificates for Warrant Shares or Warrants in a name other than that of
the Holder. The Holder shall be responsible for all other tax liability that may
arise as a result of holding or transferring this Warrant or receiving Warrant
Shares upon exercise hereof.

     5.  Replacement of Warrant. If this Warrant is mutilated, lost, stolen or
destroyed, the Company shall issue or cause to be issued in exchange and
substitution for and upon cancellation hereof, or in lieu of and substitution
for this Warrant, a New Warrant, but only upon receipt of evidence reasonably
satisfactory to the Company of such loss, theft or destruction and indemnity, if
requested, satisfactory to it. Applicants for a New Warrant under such
circumstances shall also comply with such other reasonable regulations and
procedures and pay such other reasonable charges as the Company may prescribe.

     6.  Reservation of Warrant Shares. The Company covenants that it will at
all times reserve and keep available out of the aggregate of its authorized but
unissued Common Stock, solely for the purpose of enabling it to issue Warrant
Shares upon exercise of this Warrant as herein provided, the number of Warrant
Shares which are then issuable and deliverable upon the exercise of this entire
Warrant, free from preemptive rights or any other actual contingent purchase
rights of persons other than the Holder (taking into account the adjustments and

                                       3
<PAGE>   4

restrictions of Section 7). The Company covenants that all Warrant Shares that
shall be so issuable and deliverable shall, upon issuance and the payment of the
applicable Exercise Price in accordance with the terms hereof, be duly and
validly authorized, issued and fully paid and nonassessable.

     7.  Certain Adjustments. The Exercise Price and number of Warrant Shares
issuable upon exercise of this Warrant are subject to adjustment from time to
time as set forth in this Section 7. Upon each such adjustment of the Exercise
Price pursuant to this Section 7, the Holder shall thereafter prior to the
Expiration Date be entitled to purchase, at the Exercise Price resulting from
such adjustment, the number of Warrant Shares obtained by multiplying the
Exercise Price in effect immediately prior to such adjustment by the number of
Warrant Shares issuable upon exercise of this Warrant immediately prior to such
adjustment and dividing the product thereof by the Exercise Price resulting from
such adjustment.

         (a)  If the Company, at any time while this Warrant is outstanding, (i)
shall pay a stock dividend (except scheduled dividends paid on preferred stock
which contain a stated dividend rate) or otherwise make a distribution or
distributions on shares of its Common Stock or on any other class of capital
stock payable in shares of Common Stock, (ii) subdivide outstanding shares of
Common Stock into a larger number of shares, or (iii) combine outstanding shares
of Common Stock into a smaller number of shares, the Exercise Price shall be
multiplied by a fraction of which the numerator shall be the number of shares of
Common Stock (excluding treasury shares, if any) outstanding before such event
and of which the denominator shall be the number of shares of Common Stock
(excluding treasury shares, if any) outstanding after such event. Any adjustment
made pursuant to this Section shall become effective immediately after the
record date for the determination of stockholders entitled to receive such
dividend or distribution and shall become effective immediately after the
effective date in the case of a subdivision or combination, and shall apply to
successive subdivisions and combinations.

         (b)  In case of any reclassification of the Common Stock or any
compulsory share exchange pursuant to which the Common Stock is converted into
other securities, cash or property, then the Holder shall have the right
thereafter to exercise this Warrant only into the shares of stock and other
securities and property receivable upon or deemed to be held by holders of
Common Stock following such reclassification or share exchange, and the Holder
shall be entitled upon such event to receive such amount of securities or
property equal to the amount of Warrant Shares such Holder would have been
entitled to had such Holder exercised this Warrant immediately prior to such
reclassification or share exchange. The terms of any such reclassification or
share exchange shall include such terms so as to continue to give to the Holder
the right to receive the securities or property set forth in this Section 8(b)
upon any exercise following any such reclassification or share exchange.

         (c)  If the Company, at any time while this Warrant is outstanding,
shall distribute to all holders of Common Stock (and not to holders of this
Warrant) evidences of its indebtedness or assets or rights or warrants to
subscribe for or purchase any security (excluding those referred to in Sections
7(a), (b) and (d)), then in each such case the Exercise

                                       4
<PAGE>   5

Price shall be determined by multiplying the Exercise Price in effect
immediately prior to the record date fixed for determination of stockholders
entitled to receive such distribution by a fraction of which the denominator
shall be the Exercise Price determined as of the record date mentioned above,
and of which the numerator shall be such Exercise Price on such record date less
the then fair market value at such record date of the portion of such assets or
evidence of indebtedness so distributed applicable to one outstanding share of
Common Stock as determined by the Company's independent certified public
accountants that regularly examines the financial statements of the Company (an
"Appraiser").

         (d)  If the Company or any subsidiary thereof, as applicable with
respect to Common Stock Equivalents (as defined below), at any time while this
Warrant is outstanding, shall issue shares of Common Stock or rights, warrants,
options or other securities or debt that is convertible into or exchangeable for
shares of Common Stock ("Common Stock Equivalents"), entitling any person to
acquire shares of Common Stock at a price per share less than the Exercise Price
(if the holder of the Common Stock or Common Stock Equivalent so issued shall at
any time, whether by operation of purchase price adjustments, reset provisions,
floating conversion, exercise or exchange prices or otherwise, or due to
warrants, options or rights issued in connection with such issuance, be entitled
to receive shares of Common Stock at a price less than the Exercise Price, such
issuance shall be deemed to have occurred for less than the Exercise Price),
then the Exercise Price shall be multiplied by a fraction, the numerator of
which shall be the number of shares of Common Stock outstanding immediately
prior to the issuance of such Common Stock or such Common Stock Equivalents plus
the number of shares of Common Stock which the offering price for such shares of
Common Stock or Common Stock Equivalents would purchase at the Exercise Price,
and the denominator of which shall be the sum of the number of shares of Common
Stock outstanding immediately prior to such issuance plus the number of shares
of Common Stock so issued or issuable, provided, that for purposes hereof, all
shares of Common Stock that are issuable upon conversion, exercise or exchange
of Common Stock Equivalents shall be deemed outstanding immediately after the
issuance of such Common Stock Equivalents. Such adjustment shall be made
whenever such Common Stock or Common Stock Equivalents are issued. However, upon
the expiration of any Common Stock Equivalents the issuance of which resulted in
an adjustment in the Exercise Price pursuant to this Section, if any such Common
Stock Equivalents shall expire and shall not have been exercised, the Exercise
Price shall immediately upon such expiration be recomputed and effective
immediately upon such expiration be increased to the price which it would have
been (but reflecting any other adjustments in the Exercise Price made pursuant
to the provisions of this Section after the issuance of such Common Stock
Equivalents) had the adjustment of the Exercise Price made upon the issuance of
such Common Stock Equivalents been made on the basis of offering for
subscription or purchase only that number of shares of the Common Stock actually
purchased upon the exercise of such Common Stock Equivalents actually exercised.
The foregoing shall not apply to any (i) issuances of securities as
consideration in a merger, consolidation or acquisition of assets, or in
connection with any strategic partnership or joint venture (the primary purpose
of which is not to raise equity capital), or as consideration for the
acquisition of a business, product or license by the Company, (ii) the issuance
of securities upon the exercise or conversion of the Company's options, warrants
or other convertible securities

                                       5

<PAGE>   6

outstanding as of the date hereof, or (iii) the grant of options or warrants, or
the issuance of additional securities, under any duly authorized Company stock
option, restricted stock plan or stock purchase plan for the benefit of the
Company's employees.

         (e)  Except as contemplated by the Merger Agreement (as defined in the
Purchase Agreement) in case of any (1) merger or consolidation of the Company
with or into another Person, or (2) sale by the Company of more than one-half of
the assets of the Company (based upon then fair market value) in one or a series
of related transactions, (A) the Holder shall have the right at all times from
and after the date of such merger, sale or consolidation, as the case may be, to
and including the Expiration Date, to exercise this Warrant for the shares of
stock and other securities, cash and property receivable upon or deemed to be
held by holders of Common Stock immediately following such merger, consolidation
or sale, and the Holder shall be entitled upon such event or series of related
events to receive such amount of securities, cash and property as the Common
Stock for which this Warrant could have been exercised immediately prior to such
merger, consolidation or sales would have been entitled, or (B) the acquiring
company or newly created company shall have the right to pay the Holder the
value of the Warrant determined on a Black-Scholes basis. (For example, if (1)
the Company merges with and into another Person ("Newco") and as a result
thereof each share of Common Stock shall entitle the holder thereof to receive
two shares of the common stock of Newco and $2.00 in cash, and (2) the Exercise
Price is at the effective time of such merger $6.00 per share, then at all times
thereafter this Warrant shall upon the payment of $6.00 times the number of
Warrant Shares represent the right to receive (A) that number of shares of the
Common Stock of Newco as is equal to two times the Warrant Shares, and (B) that
amount of cash as is equal to $2.00 times the number of Warrant Shares.) The
terms of any such merger, sale or consolidation shall include such terms so as
to continue to give the Holder the right to receive the securities, cash and
property set forth in this Section upon any conversion or redemption following
such event. This provision shall similarly apply to successive such events.

         (f)  For the purposes of this Section 7, the following clauses shall
also be applicable:

              (i)   Record Date. In case the Company shall take a record of the
holders of its Common Stock for the purpose of entitling them (A) to receive a
dividend or other distribution payable in Common Stock or in securities
convertible or exchangeable into shares of Common Stock, or (B) to subscribe for
or purchase Common Stock or securities convertible or exchangeable into shares
of Common Stock, then such record date shall be deemed to be the date of the
issue or sale of the shares of Common Stock deemed to have been issued or sold
upon the declaration of such dividend or the making of such other distribution
or the date of the granting of such right of subscription or purchase, as the
case may be.

              (ii)  Treasury Shares. The number of shares of Common Stock
outstanding at any given time shall not include shares owned or held by or for
the account of the Company, and the disposition of any such shares shall be
considered an issue or sale of Common Stock.

                                       6

<PAGE>   7

         (g)  All calculations under this Section 7 shall be made to the nearest
cent or the nearest 1/100th of a share, as the case may be.

         (h)  Whenever the Exercise Price is adjusted pursuant to Section 7(c)
above, the Holder, after receipt of the determination by the Appraiser, shall
have the right to select an additional appraiser (which shall be a nationally
recognized accounting firm), in which case the adjustment shall be equal to the
average of the adjustments recommended by each of the Appraiser and such
appraiser. The Holder shall promptly mail or cause to be mailed to the Company,
a notice setting forth the Exercise Price after such adjustment and setting
forth a brief statement of the facts requiring such adjustment. Such adjustment
shall become effective immediately after the record date mentioned above.

         (i)  If:

                     (i)   the Company shall declare a dividend (or any other
                           distribution) on its Common Stock; or

                     (ii)  the Company shall declare a special nonrecurring cash
                           dividend on or a redemption of its Common Stock; or

                     (iii) the Company shall authorize the granting to all
                           holders of the Common Stock rights or warrants to
                           subscribe for or purchase any shares of capital stock
                           of any class or of any rights; or

                     (iv)  the approval of any stockholders of the Company shall
                           be required in connection with any reclassification
                           of the Common Stock, any consolidation or merger to
                           which the Company is a party, any sale or transfer of
                           all or substantially all of the assets of the
                           Company, or any compulsory share exchange whereby the
                           Common Stock is converted into other securities, cash
                           or property; or

                     (v)   the Company shall authorize the voluntary
                           dissolution, liquidation or winding up of the affairs
                           of the Company,

then the Company shall cause to be mailed to each Holder at their last addresses
as they shall appear upon the Warrant Register, at least twenty calendar days
prior to the applicable record or effective date hereinafter specified, a notice
stating (x) the date on which a record is to be taken for the purpose of such
dividend, distribution, redemption, rights or warrants, or if a record is not to
be taken, the date as of which the holders of Common Stock of record to be
entitled to such dividend, distributions, redemption, rights or warrants are to
be determined or (y) the date on which such reclassification, consolidation,
merger, sale, transfer or share exchange is expected to become effective or
close, and the date as of which it is expected that

                                       7

<PAGE>   8

holders of Common Stock of record shall be entitled to exchange their shares of
Common Stock for securities, cash or other property deliverable upon such
reclassification, consolidation, merger, sale, transfer, share exchange,
dissolution, liquidation or winding up; provided, however, that the failure to
mail such notice or any defect therein or in the mailing thereof shall not
affect the validity of the corporate action required to be specified in such
notice.

    8.   Payment of Exercise Price. The Holder shall pay the Exercise Price in
one of the following manners:

         (a) Cash Exercise. The Holder may deliver immediately available funds;
or

         (b) Cashless Exercise. In the event, but only in such event, that on or
after the Effective Date (as defined in the Purchase Agreement) a Registration
Statement covering the resale of the Warrant Shares has not been declared
effective, then the Holder may surrender this Warrant to the Company together
with a notice of cashless exercise, in which event the Company shall issue to
the Holder the number of Warrant Shares determined as follows:

                                            X = Y [(A-B)/A]

    where:

                                            X = the number of Warrant Shares to
                                            be issued to the Holder.

                                            Y = the number of Warrant Shares
                                            with respect to which this Warrant
                                            is being exercised.

                                            A = the average of the closing sale
                                            prices of the Common Stock for the
                                            five (5) trading days immediately
                                            prior to (but not including) the
                                            Date of Exercise.

                                            B = the Exercise Price.

For purposes of Rule 144 promulgated under the Securities Act, it is intended,
understood and acknowledged that the Warrant Shares issued in a cashless
exercise transaction shall be deemed to have been acquired by the Holder, and
the holding period for the Warrant Shares shall be deemed to have been
commenced, on the issue date.

    9.   Certain Exercise Restrictions.

         (a) A Holder may not exercise this Warrant to the extent such exercise
would result in the Holder, together with any affiliate thereof, beneficially
owning (as determined in accordance with Section 13(d) of the Securities
Exchange Act of 1934, as

                                       8

<PAGE>   9

amended (the "Exchange Act") and the rules promulgated thereunder) in excess of
4.999% of the then issued and outstanding shares of Common Stock, including
shares issuable upon such exercise and held by such Holder after application of
this Section. Since the Holder will not be obligated to report to the Company
the number of shares of Common Stock it may hold at the time of an exercise
hereunder, unless the exercise at issue would result in the issuance of shares
of Common Stock in excess of 4.999% of the then outstanding shares of Common
Stock without regard to any other shares which may be beneficially owned by the
Holder or an affiliate thereof, the Holder shall have the authority and
obligation to determine whether the restriction contained in this Section will
limit any particular exercise hereunder and to the extent that the Holder
determines that the limitation contained in this Section applies, the
determination of which portion of this Warrant is exercisable shall be the
responsibility and obligation of the Holder. If the Holder has delivered a Form
of Election to Purchase for a number of Warrant Shares that, without regard to
any other shares that the Holder or its affiliates may beneficially own, would
result in the issuance in excess of the permitted amount hereunder, the Company
shall notify the Holder of this fact and shall honor the exercise for the
maximum portion of this Warrant permitted to be exercised on such Date of
Exercise in accordance with the periods described herein and, at the option of
the Holder, either keep the portion of the Warrant tendered for exercise in
excess of the permitted amount hereunder for future exercises or return such
excess portion of the Warrant to the Holder. The provisions of this Section may
be waived by a Holder (but only as to itself and not to any other Holder) upon
not less than sixty-one days prior notice to the Company. Other Holders shall be
unaffected by any such waiver.

         (b) A Holder may not exercise this Warrant to the extent such exercise
would result in the Holder, together with any affiliate thereof, beneficially
owning (as determined in accordance with Section 13(d) of the Exchange Act and
the rules promulgated thereunder) in excess of 9.999% of the then issued and
outstanding shares of Common Stock, including shares issuable upon such exercise
and held by such Holder after application of this Section. Since the Holder will
not be obligated to report to the Company the number of shares of Common Stock
it may hold at the time of an exercise hereunder, unless the exercise at issue
would result in the issuance of shares of Common Stock in excess of 9.999% of
the then outstanding shares of Common Stock without regard to any other shares
which may be beneficially owned by the Holder or an affiliate thereof, the
Holder shall have the authority and obligation to determine whether the
restriction contained in this Section will limit any particular exercise
hereunder and to the extent that the Holder determines that the limitation
contained in this Section applies, the determination of which portion of this
Warrant is exercisable shall be the responsibility and obligation of the Holder.
If the Holder has delivered a Form of Election to Purchase for a number of
Warrant Shares that, without regard to any other shares that the Holder or its
affiliates may beneficially own, would result in the issuance in excess of the
permitted amount hereunder, the Company shall notify the Holder of this fact and
shall honor the exercise for the maximum portion of this Warrant permitted to be
exercised on such Date of Exercise in accordance with the periods described
herein and, at the option of the Holder, either keep the portion of the Warrant
tendered for exercise in excess of the permitted amount hereunder for future
exercises or return such excess portion of the Warrant to the Holder. The
provisions of this Section may be waived by a Holder (but only as to itself

                                       9

<PAGE>   10

and not to any other Holder) upon not less than sixty-one days prior notice to
the Company. Other Holders shall be unaffected by any such waiver.

    10.  Fractional Shares. The Company shall not be required to issue or cause
to be issued fractional Warrant Shares on the exercise of this Warrant. The
number of full Warrant Shares which shall be issuable upon the exercise of this
Warrant shall be computed on the basis of the aggregate number of Warrant Shares
purchasable on exercise of this Warrant so presented. If any fraction of a
Warrant Share would, except for the provisions of this Section, be issuable on
the exercise of this Warrant, the Company shall pay an amount in cash equal to
the Exercise Price multiplied by such fraction.

    11.  Notices. Any and all notices or other communications or deliveries
hereunder shall be in writing and shall be deemed given and effective on the
earliest of (i) the date of transmission, if such notice or communication is
delivered via facsimile at the facsimile telephone number specified in this
Section prior to 6:30 p.m. (New York City time) on a business day, (ii) the
business day after the date of transmission, if such notice or communication is
delivered via facsimile at the facsimile telephone number specified in this
Section later than 6:30 p.m. (New York City time) on any date and earlier than
11:59 p.m. (New York City time) on such date, (iii) the business day following
the date of mailing, if sent by nationally recognized overnight courier service,
or (iv) upon actual receipt by the party to whom such notice is required to be
given. The addresses for such communications shall be:

    If to the Company:   Eltrax Systems, Inc.
                         400 Galleria Parkway, Suite 300
                         Atlanta, GA 30339
                         Facsimile No.: (678) 589-3750
                         Attn: Chief Financial Officer

    With copies to:      Jaffe, Raitt, Heuer & Weiss P.C.
                         One Woodward Avenue, Suite 2400
                         Detroit, MI 48226
                         Facsimile No.: (313) 961-8358
                         Attn:  William E. Sider, Esq.

                         Rogers & Hardin LLP
                         2700 International Tower
                         229 Peachtree Street, N.E.
                         Atlanta, GA 30303
                         Facsimile No.:  (404) 525-2224
                         Attn:  Steven E. Fox, Esq.

                         and

                                       10

<PAGE>   11

                         Cereus Technology Partners, Inc.
                         1000 Abernathy Road
                         400 Northpark, Suite 1000
                         Atlanta, GA 30328
                         Facsimile No.:  (770) 668-9095
                         Attn:  Chief Executive Officer

    If to a Purchaser:   To the address set forth under such
                         Purchaser's name on the signature
                         pages hereto.

    12.  Warrant Agent. The Company shall serve as warrant agent under this
Warrant. Upon thirty days' notice to the Holder, the Company may appoint a new
warrant agent. Any corporation into which the Company or any new warrant agent
may be merged or any corporation resulting from any consolidation to which the
Company or any new warrant agent shall be a party or any corporation to which
the Company or any new warrant agent transfers substantially all of its
corporate trust or shareholders services business shall be a successor warrant
agent under this Warrant without any further act. Any such successor warrant
agent shall promptly cause notice of its succession as warrant agent to be
mailed (by first class mail, postage prepaid) to the Holder at the Holder's last
address as shown on the Warrant Register.

    13.  Miscellaneous.

         (a) This Warrant shall be binding on and inure to the benefit of the
parties hereto and their respective successors and assigns. This Warrant may be
amended only in writing signed by the Company and the Holder and their
successors and assigns.

         (b) Subject to Section 13(a), above, nothing in this Warrant shall be
construed to give to any person or corporation other than the Company and the
Holder any legal or equitable right, remedy or cause under this Warrant. This
Warrant shall inure to the sole and exclusive benefit of the Company and the
Holder.

         (c) The corporate laws of the State of Minnesota shall govern all
issues concerning the relative rights of the Company and its stockholders. All
other questions concerning the construction, validity, enforcement and
interpretation of this Warrant shall be governed by and construed and enforced
in accordance with the internal laws of the State of New York, without regard to
the principles of conflicts of law thereof. The Company and the Holder hereby
irrevocably submit to the exclusive jurisdiction of the state and federal courts
sitting in the City of New York, borough of Manhattan, for the adjudication of
any dispute hereunder or in connection herewith or with any transaction
contemplated hereby or discussed herein, and hereby irrevocably waives, and
agrees not to assert in any suit, action or proceeding, any claim that it is not
personally subject to the jurisdiction of any such court, or that such suit,
action or proceeding is improper. Each of the Company and the Holder hereby
irrevocably waives personal service of process and consents to process being
served in any such suit, action or proceeding by receiving a copy thereof sent
to the Company at the address

                                       11

<PAGE>   12

in effect for notices to it under this instrument and agrees that such service
shall constitute good and sufficient service of process and notice thereof.
Nothing contained herein shall be deemed to limit in any way any right to serve
process in any manner permitted by law.

         (d) The headings herein are for convenience only, do not constitute a
part of this Warrant and shall not be deemed to limit or affect any of the
provisions hereof.

         (e) In case any one or more of the provisions of this Warrant shall be
invalid or unenforceable in any respect, the validity and enforceability of the
remaining terms and provisions of this Warrant shall not in any way be affected
or impaired thereby and the parties will attempt in good faith to agree upon a
valid and enforceable provision which shall be a commercially

         (f) reasonable substitute therefor, and upon so agreeing, shall
incorporate such substitute provision in this Warrant.

                  [REMAINDER OF PAGE INTENTIONALLY LEFT BLANK,
                            SIGNATURE PAGE FOLLOWS]

                                       12
<PAGE>   13

    IN WITNESS WHEREOF, the Company has caused this Warrant to be duly executed
by its authorized officer as of the date first indicated above.

                                     ELTRAX SYSTEMS, INC.

                                     By: /s/ William A. Fielder, III
                                         ---------------------------------------
                                         Name:  William A. Fielder, III
                                         Title: Chief Financial Officer

                                     By: /s/ Steven A. Odom
                                         ---------------------------------------
                                         Name:  Steven A. Odom
                                         Title: Acting Chief Executive Officer

<PAGE>   14

                          FORM OF ELECTION TO PURCHASE

(To be executed by the Holder to exercise the right to purchase shares of Common
Stock under the foregoing Warrant)

To Eltrax Systems, Inc.:

    The undersigned hereby irrevocably elects to purchase _____________ shares
of common stock, $.01 par value per share, of Eltrax Systems, Inc. (the "Common
Stock") and, if such Holder is not utilizing the cashless exercise provisions
set forth in this Warrant, encloses herewith $________ in cash, certified or
official bank check or checks, which sum represents the aggregate Exercise Price
(as defined in the Warrant) for the number of shares of Common Stock to which
this Form of Election to Purchase relates, together with any applicable taxes
payable by the undersigned pursuant to the Warrant.

    The Exercise Price applicable to the purchase hereunder equals $_________.

    The Holder hereby represents and warrants to the Company that it is an
accredited investor under Rule 501(a) promulgated under the Securities Act of
1933, as amended.

    The undersigned requests that certificates for the shares of Common Stock
issuable upon this exercise be issued in the name of

                                                  PLEASE INSERT SOCIAL SECURITY
                                                  OR TAX IDENTIFICATION NUMBER

                                                  ______________________________
_______________________________
(Please print name and address)

    The undersigned hereby covenants and agrees that the undersigned (i) will
not sell or otherwise dispose of the shares of Common Stock to be delivered
pursuant to this Exercise Notice hereof (the "Shares") except pursuant to an
effective registration statement (the "Registration Statement") under the
Securities Act of 1933, as amended (the "Act"), (ii) will sell the Shares only
in accordance with the Plan of Distribution set forth in the prospectus forming
a part of the Registration Statement (the ("Prospectus"), (iii) will comply with
the requirements of the Act when selling or otherwise disposing of the Shares,
including, but not limited to, the prospectus delivery requirements of the Act,
(iv) will not sell or otherwise dispose of, and will return immediately to the
Company for the purpose of placing a restrictive legend thereon, the Shares (and
any certificates representing the Shares, if applicable) upon notice from the
Company that the Prospectus may not be used for the sale of the Shares, and (v)
will indemnify and hold harmless the Company, its directors, officers, agents
and employees, each person who controls the Company (within the meaning of
Section 15 of the Act and Section 20 of the Securities Exchange Act of 1934, as
amended), and the directors, officers, agents or employees of such controlling
persons, to the fullest extent permitted by

<PAGE>   15

applicable law, from and against all Losses (as defined in the Registration
Rights Agreement dated July 27, 2000 by and between the Company and the
investors signatory thereto) arising out of or based upon any breach by the
undersigned of any of the covenants contained herein.

    If the number of shares of Common Stock issuable upon this exercise shall
not be all of the shares of Common Stock which the undersigned is entitled to
purchase in accordance with the enclosed Warrant, the undersigned requests that
a New Warrant (as defined in the Warrant) evidencing the right to purchase the
shares of Common Stock not issuable pursuant to the exercise evidenced hereby be
issued in the name of and delivered to:

_______________________________
(Please print name and address)

_______________________________

_______________________________

Dated:
      _______________________________.

                                         Name of Holder:

                                         (Print)________________________________

                                         (By:)__________________________________
                                         (Name:)________________________________
                                         (Title:)_______________________________
                                         (Signature must conform in all respects
                                         to name of holder as specified on the
                                         face of the Warrant)

<PAGE>   16

                               FORM OF ASSIGNMENT

[To be completed and signed only upon transfer of Warrant]

    FOR VALUE RECEIVED, the undersigned hereby sells, assigns and transfers unto
________________________________ the right represented by the within Warrant to
purchase ____________ shares of Common Stock of Eltrax Systems, Inc. to which
the within Warrant relates and appoints ________________ attorney to transfer
said right on the books of Eltrax Systems, Inc. with full power of substitution
in the premises.

Dated: ______________, ______

                                      __________________________________________
                                      (Signature must conform in all respects to
                                      name of holder as specified on the face of
                                      the Warrant)

                                     ___________________________________________
                                     Address of Transferee

                                     ___________________________________________

                                     ___________________________________________

In the presence of:

____________________________

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