Document:

PROMISSORY NOTE AND PLEDGE AGREEMENT

$500,000     March  1,  2004

     Network  Installation  Corp.,  a  Nevada  corporation  ("Maker")  for value
received  hereby  promises  to pay to the order of Steven Pearson (together with
her  successors  and  assigns,  referred to herein as "Holder"), the sum of five
hundred  thousand  dollars  ($500,000)  (the  "Principal  Amount"), and interest
thereon  in accordance with the terms and conditions of this Promissory Note and
Pledge  Agreement  (this  "Note").  This  Note  is  the  Note  described in, and
evidences  indebtedness  of  the  Maker in the amount of the cash portion of the
purchase  price  for  100%  ownership  in Del Mar Systems International, Inc., a
California  corporation  ("Company")  purchased  from Holder under, that certain
Stock Purchase Agreement made as of March 1, 2004, between Maker and Holder (the
"Stock  Purchase  Agreement").

The following is a statement of the rights of Holder and the conditions to which
this  Note  is  subject,  and  to  which Holder, by the acceptance of this Note,
agrees:

1.     Interest
       --------
..  This  Note  shall  bear  interest  at  the rate of eight and one-half percent
(5.0%)  per  annum  (computed  on  the  basis of a 360-day year of twelve 30-day
months)  (the  "Interest  Rate")  on  the  Principal  Amount.

2.     Payments,  Prepayment  and  Recourse.
       -------------------------------------
2.1     Required  Payments
        ------------------
..  The  Principal  Amount  and  interest  thereon  shall  be payable in 12 equal
monthly  installments in the amount of forty two-thousand eight hundred and four
dollars  ($42,804)  each,  with the first such payment due on March 1, 2004, and
subsequent payments due no later than the 5th day of each month thereafter.  All
payments  under  this  Note  shall be credited first to accrued interest and the
balance  to  principal,  with  interest  ceasing  on  the  amount so credited to
principal.  Any  unpaid  balance  of  the  Principal Amount and accrued interest
thereon  shall  be  due  and payable in full on the Due Date (as defined below).
2.2     Due  Date
        ---------
.. For purposes hereof, the "Due Date" is the earlier of (a) February 1, 2005; or
(b)  the  date  declared due and payable by the Holder upon the occurrence of an
Event  of  Default  (as  defined  below).
2.3     Prepayment
        ----------
(a)     The  Principal Amount and any interest accrued thereon may be prepaid by
     Maker  in full or in part at any time and from time to time without premium
or penalty, provided that all payments made hereunder are first to be applied to
any  accrued  and  unpaid  interest  outstanding  on  the  date of such payment.
(b)     In  addition,  if  Maker  sells  or  transfers  any  of  his shares (the
"Shares")  in  the Company or any interest therein, other than transfers for the
benefit  of  family  members  for estate planning purposes, Maker shall prepay a
percentage of the Principal Amount equal to the percentage of the Shares sold or
transferred, together with all interest accrued thereon (with all accrued unpaid
interest  deemed  to  have  accrued first on the portion of the Principal Amount
being  prepaid  pursuant  to  this  Section  2.3(b)).
2.4     Recourse.  Maker's  obligations  under  this  Note  are  secured  by the
        --------
Pledged Shares as provided below.  Notwithstanding the foregoing, this Note is a
     full  recourse  obligation, and Maker shall be liable for all principal and
interest  due  hereunder.

3.     Events  of  Default
       -------------------
..  If  any  of the following events shall occur (herein individually referred to
as  an  "Event  of Default"), Holder may declare the entire Principal Amount and
unpaid  accrued  interest  thereon  immediately  due  and  payable, by notice in
writing  to  Maker:
(a)     Failure  by  Maker to make any payment hereunder when due and payable if
such  default  is not cured by Maker within ten (10) days after Holder has given
Maker  written  notice  of  such  default;  or
(b)     Maker's  breach  of  or  default  under  any  term, covenant, agreement,
condition, provision, representation or warranty contained in the Stock Purchase
Agreement  or  this  Note;  or
(c)     Maker's  insolvency;  or
(d)     The institution by Maker of proceedings to be adjudicated as bankrupt or
insolvent,  or  the  consent  by  Maker  to  the  institution  of  bankruptcy or
insolvency  proceedings  against  Maker  or the filing by Maker of a petition or
answer or consent seeking reorganization or release under the federal Bankruptcy
Act,  or  any other similar federal or state law, or the consent by Maker to the
filing  of  any  such  petition  or  the  appointment of a receiver, liquidator,
assignee, trustee or other similar official of Maker, or of any substantial part
of  Maker's property, or the making by Maker of an assignment for the benefit of
creditors,  or  the taking of action by Maker in furtherance of any such action;
or
(e)     If,  within  sixty (60) days after the commencement of an action against
Maker  (and  service  of  process  in connection therewith on Maker) seeking any
bankruptcy,  insolvency,  reorganization,  liquidation,  dissolution  or similar
relief under any present or future statute, law or regulation, such action shall
not have been resolved in favor of Maker or all orders or proceedings thereunder
affecting  the operations or the business of Maker stayed, or if the stay of any
such order or proceeding shall thereafter be set aside, or if, within sixty (60)
days  after  the appointment without the consent or acquiescence of Maker of any
trustee,  receiver  or  liquidator of Maker or of all or any substantial part of
the  properties  of  Maker,  such  appointment  shall  not  have  been  vacated.

4.     Pledge
       ------
..  Maker  hereby  assigns and pledges to Holder, and grants to Holder a security
interest  in, the Pledged Shares.  For purposes hereof, the "Pledged Shares" are
all  of the shares of Common Stock of the Company owned by Maker, including, but
not  limited  to,  all  of  the  Shares;  all  certificates or other instruments
representing any such Shares or interests therein; all dividends, cash, options,
warrants,  rights,  securities, instruments and other property from time to time
paid,  payable  or otherwise distributed in respect of or in exchange for any or
all  of  such  shares,  and  all  proceeds  and  products  of  the  foregoing.
Notwithstanding  the  foregoing,  however,  Shares  shall  be  released from the
pledge,  and  shall  no  longer constitute Pledged Shares, as prepayments of the
Principal  Amount  are made, with the percentage of the Shares released from the
pledge  at  any  time  being  equal  to  the  percentage of the Principal Amount
prepaid.

5.     Security  for  Obligations
       --------------------------
..  The  Pledged  Shares  are  collateral  security  for  the  prompt  payment or
performance in full when due (including the payment of amounts that would become
due  but  for  the  operation  of the automatic stay under Section 362(a) of the
Bankruptcy  Code,  11  U.S.C.    362(a))  of  all obligations of every nature of
Maker  now  or  hereafter  existing  to Holder or its assignees, transferees and
successors under the Stock Purchase Agreement and this Note, and all amendments,
extensions  or  renewals  thereof  or  hereof,  whether  for principal, interest
(including,  without limitation, interest that, but for the filing of a petition
in  bankruptcy  with  respect to Maker, would accrue on such obligations), fees,
expenses  or  otherwise, whether now existing or hereafter arising, voluntary or
involuntary,  whether  or  not  jointly  owed  with  others, direct or indirect,
absolute or contingent, liquidated or unliquidated, and whether or not from time
to  time  decreased or extinguished and later increased, created or incurred and
all  or  any portion of such obligations that are paid, to the extent all or any
part  of such payment is avoided or recovered directly or indirectly from Holder
as  a  preference,  fraudulent transfer or otherwise (all such obligations being
the  "Secured  Obligations").

6.     Further  Assurances.
       -------------------
6.1     Stock  Power.  All  certificates  or  instruments evidencing the Pledged
        ------------
Shares  are hereby delivered to and held by Holder in suitable form for transfer
by delivery, or shall be accompanied by duly executed instruments of transfer or
     assignment  in  blank,  all  in  form and substance satisfactory to Holder.
Maker  hereby  authorizes  Holder to affix, by facsimile signature or otherwise,
the general or special endorsement of Maker, in such manner as Holder shall deem
advisable,  to  any  Pledged  Shares  in the event the same has been obtained by
Holder  without  appropriate  endorsement.  In  addition,  Holder shall have the
right  at  any  time  to  exchange  certificates  or instruments representing or
evidencing  Pledged  Shares for certificates or instruments of smaller or larger
denominations.
6.2     Share  Exchange.  If  the  Pledged  Shares are hereafter changed into or
exchanged  for  a  different number or kind of shares or securities of Holder or
any  other  corporation  through  reorganization,  recapitalization,
reclassification,  stock  dividend,  stock  split  or  reverse  stock  split, or
otherwise, such shares or securities shall be delivered to Holder, together with
duly  executed  stock  powers  in blank, to be held subject to all the terms and
conditions  of  this  Note,  in  addition  to  or  in substitution of the shares
delivered  pursuant to Section 6.1 above, and the term "Pledged Shares" shall be
deemed  to  refer  to  such  shares  or  securities.
6.3     Representations and Warranties.  Maker represents and warrants to Holder
as  follows:
(i)     This  Note  creates  a  valid  and,  upon  delivery  of the certificates
evidencing  the  Pledged  Shares  as  set forth herein, perfected first priority
security  interest  in  all  of  the  Pledged  Shares.
(ii)     Maker  is the legal and beneficial owner of all Pledged Shares, and the
Pledged  Shares  are  not,  and shall not, be subject to any lien or encumbrance
except  as  created  hereby.
(iii)     Maker  has  delivered  or  is  delivering  herewith  to  Holder,  all
certificates  or instruments evidencing the Pledged Shares, in suitable form for
transfer  by delivery or accompanied by duly executed instruments of transfer or
assignment  in  blank,  all  in  form  and  substance  satisfactory  to  Holder.
(iv)     The  representations  and  warranties  of  Maker set forth in the Stock
Purchase  Agreement  are  true,  correct  and complete.  The representations and
warranties  of  Maker set forth in the Stock Purchase Agreement are incorporated
herein  and  made  a  part  hereof such that they constitute representations and
warranties  made  by  Maker to Holder herein as though set forth herein in their
entirety.

7.     Covenants  of  Maker
       --------------------
..  Maker  shall:
(a)     neither  sell, license, lease, assign, transfer nor otherwise dispose of
any  of  the  Pledged  Shares or any interest therein (whether by asset or stock
sale,  by  operation  of  law,  or  otherwise)  other than (i) transfers for the
benefit  of  family  members  for  estate  planning  purposes, and (ii) sales, a
sufficient  portion  of  the  proceeds  of  which  are  irrevocably  directed to
prepayment  pursuant  to  Section  2.3(b);  and
(b)     abide  by  the  covenants  of  Maker  set  forth  in  the Stock Purchase
Agreement,  which  are incorporated herein and made a part hereof such that they
constitute  covenants  made by Maker to Holder herein as though set forth herein
in  their  entirety.

8.     Security  Interest
       ------------------
..  This  Note  shall create a continuing security interest in the Pledged Shares
and shall remain in full force and effect until the final payment in full of the
Secured  Obligations.  Upon  the  occurrence of any Event of Default, Holder may
exercise  in  respect  of  the  Pledged  Shares all the rights and remedies of a
secured  party  on  default  under  the  Uniform Commercial Code of the State of
California.  Holder  may,  but  is  not required to, pursue recourse or remedies
against  the  Pledged Shares as provided herein and/or under applicable law, and
Holder's  pursuit  or  exhaustion  of  recourse  or remedies against the Pledged
Shares  shall  not  be  a  condition  to  or  otherwise affect any obligation or
liability  of Maker.  Upon the final payment in full of the Secured Obligations,
the  security  interest  granted  hereby  shall  terminate and all rights to the
Pledged  Shares  shall  revert  to  Maker.

9.     Miscellaneous.
       -------------
(a)     Assignment.  Maker  may  not  transfer this Note or assign its rights or
        ----------
obligations hereunder without the express written consent of Holder.  Subject to
     the  foregoing,  the  rights and obligations of the Maker and the Holder of
this  Note  shall  be  binding  upon and benefit the successors, assigns, heirs,
administrators  and  transferees  of  the  parties.
(b)     Waiver.  Diligence,  presentment, protest, demand, dishonor, nonpayment,
        ------
and  notice  of  every  kind are waived by all makers, sureties, guarantors, and
endorsers  of  this  Note to the fullest extent permitted by applicable law.  To
the  fullest  extent permitted by law, the defense of the statute of limitations
is  waived  by  Maker.
(c)     Remedies.  No  delay or omission on the part of Holder in exercising any
        --------
right or remedy under this Note or under any other agreement securing this Note,
or  applicable  law  will  operate as a waiver of such right or remedy or of any
other  right  or  remedy.  No single or partial exercise of any power under this
Note  or  under  any  other  agreement securing this Note or applicable law will
preclude  other  or further exercise thereof or the exercise of any other power.
Holder  will  at  all times have the right to proceed against any portion of the
security  held  herefor in such order and in such manner as Holder may determine
in  Holder's  sole  discretion,  without  waiving any rights with respect to any
other  security.  The  release  of  any  party  liable  under this Note will not
operate  to  release  any  other  party  liable  under  this  Note.
(d)     Amendment.  No provision of this Note may be amended, waived or modified
        ---------
except  by  written  agreement  of  Maker  and Holder, except that Maker and any
sureties or guarantors of this Note consent to all extensions without notice for
any  period  or periods of time and to the acceptance of partial payments before
or after maturity, and to the acceptance, release, and substitution of security,
all without prejudice to Holder.  Holder will have the right to deal in any way,
at  any time, with Maker, or with any surety or guarantor hereof, without notice
to  any  other  party,  and  to  grant any such party any extensions of time for
payment  of any of the indebtedness hereunder, or to grant any other indulgences
or  forbearance whatsoever, without notice to any other party and without in any
way  affecting  the  liability  of  any  such  party.
(e)     Usury.  All agreements between Maker and Holder are expressly limited so
        -----
that  in no contingency or event whatsoever, whether by reason of advancement of
the  proceeds  hereof,  acceleration of maturity of the unpaid principal balance
hereof,  or  otherwise,  will the amount paid or agreed to be paid to Holder for
the  use,  forbearance  or  detention  of  money  exceed the highest lawful rate
permissible under applicable usury laws.  If, from any circumstances whatsoever,
fulfillment  of  any  provision  of this Note or any other agreement or guaranty
securing  this  Note, at the time performance of such provision is due, involves
transcending  the limit of validity prescribed by law which a court of competent
jurisdiction  may  deem  applicable  hereto, then the obligation to be fulfilled
will  be  reduced  to  the  limit  of  such validity.  Furthermore, if, from any
circumstances whatsoever, Holder ever receives as interest an amount which would
exceed  the  highest  lawful  rate, the amount which would be excessive interest
will  be  applied to the reduction of the unpaid principal balance due hereunder
and  not  to  the  payment  of  interest.  This  provision  controls every other
provision  of  all  agreements  between  Maker  and  Holder.
(f)     Severability.  If  any  term  or provision of this Note is held invalid,
        ------------
illegal, or unenforceable, the validity of all other terms and provisions hereof
will  in  no  way  be  affected  thereby.
(g)     Governing  Law.  This  Note  shall  be  governed  by  and  construed  in
        --------------
accordance  with the laws of the State of California, excluding that body of law
relating  to conflicts of law.  Any legal action or proceeding arising out of or
in  connection  with  this Note must be brought exclusively in the courts of the
State  of  California  or  the  federal  courts  of the United States of America
sitting  in  Orange County, California.  Maker hereby irrevocably submits to the
jurisdiction  of  each  such  court,  and  agrees  that  any  summons, pleading,
judgment,  memorandum  of  law,  or  other  paper relevant to any such action or
proceeding,  including  without  limitation,  service  of process sufficient for
personal  jurisdiction  in any action against Maker, will be sufficiently served
if  delivered  to Maker by certified or registered mail (with return receipt) at
his  or  her  address  of  record  listed with Holder.  Nothing in the preceding
sentence  will  affect the right of any party to proceed in any jurisdiction for
the  enforcement  or  execution of any judgment, decree or order made by a court
specified  in  said  sentence.
(h)     Attorney's  Fees  and  Costs.  In  the  event of any judicial proceeding
        ----------------------------
arising  as  a  result  of any dispute related to the subject matter hereof, the
prevailing  party shall be entitled to recover from the non-prevailing party the
reasonable  attorneys'  fees  and  costs  of  the  prevailing  party incurred in
connection  therewith.
(i)     Other  Obligations.  Performance  under this Note is not intended and is
        ------------------
not  to be construed as an accord and satisfaction or other release or discharge
of  any  obligations  or indebtedness of Maker to Holder not otherwise evidenced
specifically.
(j)     Heading;  References.  All headings used herein are used for convenience
        --------------------
only  and  shall  not  be used to construe or interpret this Note.  Except where
otherwise indicated, all references herein to Sections refer to Sections hereof.
     IN WITNESS WHEREOF, Maker has caused this Note to be executed and issued on
March  1,  2004.

             /s/ Michael Cummings
     Name:   Michael  Cummings,  President  &  CEO
             Network  Installation  Corp.Promissory Note - Page

                                 Promissory Note
Part  1.  Names
Borrower:
Network  Installation  Corp
18  Technology  Dr.
Irvine,  California  92618
Lender:
Dutchess  Private  Equities  Fund  LP
312  Stuart  St.,  3rd  Floor
Boston,  MA  02116
In  this  promissory note, the term Borrower refers to one or more borrowers. If
there  is more than one borrower, they agree to be jointly and severally liable.
The  term  Lender  refers to any person who legally holds this note, including a
buyer  in  due  course.
Part  2.  Promise  to  Pay
For value received, Borrower promises to pay Lender Thirty Five-Thousand Dollars
($35,000)  as  specified  below.
Part  3.  Payment  Date
Borrower will pay the entire amount of principal on or before December 17, 2004.
Part  4.  Prepayment
Borrower  may  prepay  all  or  any  part  of  the  principal  without  penalty.
Part  5.  Security
This  is  an  unsecured  note.
Part  6.  Collection  Costs
If  Lender  prevails  in  a  lawsuit  to collect on this note, Borrower will pay
Lender's  costs and lawyer's fees in an amount the court finds to be reasonable.
Part  7.  Disputes
If  a  dispute  arises,  the parties will try in good faith to settle it through
mediation  conducted  by Alan D Rose Jr. The parties will share the costs of the
mediator  equally.  Each party will cooperate fully and fairly with the mediator
and  will attempt to reach a mutually satisfactory compromise to the dispute. If
the dispute is not resolved within 30 days after it is referred to the mediator,
it  will  be arbitrated by Alan D Rose Jr. Judgment on the arbitration award may
be  entered  in  any  court  that  has  jurisdiction  over  the matter. Costs of
arbitration,  including  lawyers'  fees,  will  be  allocated by the arbitrator.
Signature  of  Borrower

Dated:

By: /s/ Michael Cummings
Network  Installation  Corp

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