Document:

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                                                                  EXHIBIT 10.4.1

                             SKYSTREAM NETWORKS INC.

                            DIRECTOR OPTION AGREEMENT

      SkyStream Networks Inc., (the "Company"), has granted to _________________
(the "Optionee"), an option to purchase a total of [__________ (____)] shares of
the Company's Common Stock (the "Optioned Stock"), at the price determined as
provided herein, and in all respects subject to the terms, definitions and
provisions of the Company's 2000 Director Option Plan (the "Plan") adopted by
the Company which is incorporated herein by reference. The terms defined in the
Plan shall have the same defined meanings herein.

      1.    Nature of the Option. This Option is a nonstatutory option and is
not intended to qualify for any special tax benefits to the Optionee.

      2.    Exercise Price. The exercise price is $_______ for each share of
Common Stock.

      3.    Exercise of Option. This Option shall be exercisable during its term
in accordance with the provisions of Section 8 of the Plan as follows:

            (i)   Right to Exercise.

                  (a)   This Option shall become exercisable in installments
cumulatively with respect to ____________ of the Optioned Stock
___________________ the date of grant, and as to an additional 1/48 of the
Optioned Stock each month thereafter, so that one hundred percent (100%) of the
Optioned Stock shall be exercisable four years after the date of grant;
provided, however, that in no event shall any Option be exercisable prior to the
date the stockholders of the Company approve the Plan.

                  (b)   This Option may not be exercised for a fraction of a
share.

                  (c)   In the event of Optionee's death, disability or other
termination of service as a Director, the exercisability of the Option is
governed by Section 8 of the Plan.

            (ii)  Method of Exercise. This Option shall be exercisable by
written notice which shall state the election to exercise the Option and the
number of Shares in respect of which the Option is being exercised. Such written
notice, in the form attached hereto as Exhibit A, shall be signed by the
Optionee and shall be delivered in person or by certified mail to the Secretary
of the Company. The written notice shall be accompanied by payment of the
exercise price.

      4.    Method of Payment. Payment of the exercise price shall be by any of
the following, or a combination thereof, at the election of the Optionee:

            (i)   cash;

            (ii)  check; or

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            (iii) surrender of other shares which (x) in the case of Shares
acquired upon exercise of an Option, have been owned by the Optionee for more
than six (6) months on the date of surrender, and (y) have a Fair Market Value
on the date of surrender equal to the aggregate exercise price of the Shares as
to which said Option shall be exercised; or

            (iv)  delivery of a properly executed exercise notice together with
such other documentation as the Company and the broker, if applicable, shall
require to effect an exercise of the Option and delivery to the Company of the
sale or loan proceeds required to pay the exercise price.

      5.    Restrictions on Exercise. This Option may not be exercised if the
issuance of such Shares upon such exercise or the method of payment of
consideration for such shares would constitute a violation of any applicable
federal or state securities or other law or regulations, or if such issuance
would not comply with the requirements of any stock exchange upon which the
Shares may then be listed. As a condition to the exercise of this Option, the
Company may require Optionee to make any representation and warranty to the
Company as may be required by any applicable law or regulation.

      6.    Non-Transferability of Option. This Option may not be transferred in
any manner otherwise than by will or by the laws of descent or distribution and
may be exercised during the lifetime of Optionee only by the Optionee. The terms
of this Option shall be binding upon the executors, administrators, heirs,
successors and assigns of the Optionee.

      7.    Term of Option. This Option may not be exercised more than ten (10)
years from the date of grant of this Option, and may be exercised during such
period only in accordance with the Plan and the terms of this Option.

      8.    Taxation Upon Exercise of Option. Optionee understands that, upon
exercise of this Option, he or she will recognize income for tax purposes in an
amount equal to the excess of the then Fair Market Value of the Shares purchased
over the exercise price paid for such Shares. Since the Optionee is subject to
Section 16(b) of the Securities Exchange Act of 1934, as amended, under certain
limited circumstances the measurement and timing of such income (and the
commencement of any capital gain holding period) may be deferred, and the
Optionee is advised to contact a tax advisor concerning the application of
Section 83 in general and the availability a Section 83(b) election in
particular in connection with the exercise of the Option. Upon a resale of such
Shares by the Optionee, any difference between the sale price and the Fair
Market Value of the Shares on the

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date of exercise of the Option, to the extent not included in income as
described above, will be treated as capital gain or loss.

      DATE OF GRANT:
                     --------------

                                          SkyStream Networks Inc.,
                                          a Delaware corporation

                                          By:
                                             ----------------------------------

      Optionee acknowledges receipt of a copy of the Plan, a copy of which is
attached hereto, and represents that he or she is familiar with the terms and
provisions thereof, and hereby accepts this Option subject to all of the terms
and provisions thereof. Optionee hereby agrees to accept as binding, conclusive
and final all decisions or interpretations of the Board upon any questions
arising under the Plan.

      Dated:
             ---------------------

                                          -------------------------------------
                                          Optionee

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                                    EXHIBIT A

                         DIRECTOR OPTION EXERCISE NOTICE

SkyStream Networks Inc.
_______________
_______________

        Attention:  Corporate Secretary

      1.    Exercise of Option. The undersigned ("Optionee") hereby elects to
exercise Optionee's option to purchase ______ shares of the Common Stock (the
"Shares") of SkyStream Networks Inc. (the "Company") under and pursuant to the
Company's 2000 Director Option Plan and the Director Option Agreement dated
_______________ (the "Agreement").

      2.    Representations of Optionee. Optionee acknowledges that Optionee has
received, read and understood the Agreement.

      3.    Federal Restrictions on Transfer. Optionee understands that the
Shares must be held indefinitely unless they are registered under the Securities
Act of 1933, as amended (the "1933 Act"), or unless an exemption from such
registration is available, and that the certificate(s) representing the Shares
may bear a legend to that effect. Optionee understands that the Company is under
no obligation to register the Shares and that an exemption may not be available
or may not permit Optionee to transfer Shares in the amounts or at the times
proposed by Optionee.

      4.    Tax Consequences. Optionee understands that Optionee may suffer
adverse tax consequences as a result of Optionee's purchase or disposition of
the Shares. Optionee represents that Optionee has consulted with any tax
consultant(s) Optionee deems advisable in connection with the purchase or
disposition of the Shares and that Optionee is not relying on the Company for
any tax advice.

      5.    Delivery of Payment. Optionee herewith delivers to the Company the
aggregate purchase price for the Shares that Optionee has elected to purchase
and has made provision for the payment of any federal or state withholding taxes
required to be paid or withheld by the Company.

      6.    Entire Agreement. The Agreement is incorporated herein by reference.
This Exercise Notice and the Agreement constitute the entire agreement of the
parties and supersede in their entirety all prior undertakings and agreements of
the Company and Optionee with respect to the

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subject matter hereof. This Exercise Notice and the Agreement are governed by
California law except for that body of law pertaining to conflict of laws.

      Submitted by:                          Accepted by:

      OPTIONEE:                              SkyStream Networks Inc.

      By:                                    By:
         --------------------------------       --------------------------------

                                             Its:
                                                 -------------------------------

      Address:

      Dated:                                 Dated:
            -----------------------------          -----------------------------

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                                                                    EXHIBIT 10.5

                       [SKYSTREAM CORPORATION LETTERHEAD]

June 12, 1997

Mr. James D. Olson
9 Ashdown Place
Half Moon Bay, CA 94019

Dear Jim:

On behalf of the Board of Directors of SkyStream Corp. (the "Company"), I am
pleased to offer you the position of President, Chief Executive Officer and
Member of the Board of Directors, commencing on or before July 10, 1997. Your
base salary will be $14,583.33 per month ($175,000.00 on an annualized basis),
which will be paid in accordance with the Company's normal payroll procedures.
You will also receive an annual bonus based on meeting objectives defined by
you and agreed upon by the Company's Board of Directors. Your targeted bonus
for meeting these objectives will be $100,000.00. We expect that your
objectives will include, but will not be limited to, revenue and profit
targets. Your base salary and bonus will be reviewed annually by the Board of
Directors or compensation committee. As an employee of the Company you will be
eligible to participate in benefits generally provided by the Company to its
employees.

At its next meeting, the Company's Board of Directors will grant you the right
to purchase 1,092,500 shares of Common Stock at the fair market value ($0.10
per share) for such shares pursuant to the Company's Stock Option Plan,
including the standard vesting provision thereunder. At your option, you may
select to exercise your stock options subject to a company Repurchase Right
(the "Repurchase Right"), that would lapse on the same schedule that the stock
options would normally vest. If you elect to exercise your options subject to
the Repurchase Right the purchase price of the Common Stock may be financed
with a full recourse promissory note (the "Note") payable to the Company. The
Note shall bear interest at the minimum rate allowable to avoid imputation of
interest (currently 6.8 percent) compounded annually. Interest shall be
forgiven annually as long as you remain employed by the Company, with the
amount of such forgiveness grossed up for federal and state income tax
purposes. The Note shall be due and payable upon the earlier of (i) five years
from the date of the Note, or (ii) 90 days after the termination of your
employment with the Company. In addition, the proceeds from any sale by you of
any shares of Common Stock of the Company shall be applied to repay the Note.
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MR. JAMES D. OLSON                                                 JUNE 12, 1997

Your employment with the Company is "at will" and may be terminated by you or by
the Company at any time, with or without cause (as defined below). If, however,
the Company decides to terminate your employment for reasons other than cause,
the Company shall pay you all compensation (including base salary and bonus) due
to you at the date of termination and continue to pay you in equal installments,
an amount equal to the sum of your then current base salary for a period of six
(6) months from the date of termination. During such period, you shall continue
to vest your stock options and be entitled to participate in the Company's
employee health, medical, and other benefits on the same basis as if you were an
employee. If in the first year of your employment, the Company is acquired or
sold, and, as a result of such acquisition you are involuntarily or
constructively terminated without cause, you will nonetheless vest an aggregate
of 25 percent of your stock options, or, in the case of a Repurchase Right, an
aggregate of 25 percent of the Company's Repurchase Right will lapse.

In the event your employment is terminated for cause, you will be entitled to
any unpaid salary and bonus (if any) due to you pursuant to this agreement
through the date of termination and you will be entitled to no other
compensation from the Company. "Cause" shall mean (i) willful and repeated
failure to comply with the lawful written directions of the Company's Board of
Directors, (ii) gross negligence or willful misconduct in the performance of
duties for the Company, (iii) commission of any act of fraud, or (iv) conviction
of a felony involving morale turpitude causing material harm to the reputation
of the Company, in each case as determined in good faith by the Company's Board
of Directors.

For the purpose of compliance with federal immigration law, you will be required
to provide to the Company documentary evidence of your identity and eligibility
for employment in the United States. This documentation must be provided to the
Company within three business days of your hire date or your employment
relationship may be terminated. In addition, as a condition of your employment,
you will be required to sign our standard Proprietary Information Agreement.

To indicate your acceptance of the Company's offer, please sign and date this
letter below and return it to me; a duplicate original is enclosed for your
records. This letter and the Proprietary Information Agreement set forth the
terms of your employment with the Company and supersede any prior representation
or agreement, whether written or oral. This letter may not be modified or
amended except by a written agreement signed by a representative of the Company
and by you.

Jim, we are all very excited about your joining SkyStream Corp. We believe that
with your background and accomplishments you are the right person to lead our
team to high levels of success. The video networking and distribution market
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MR. JAMES D. OLSON                                                 JUNE 12, 1997

will explode in the coming decade and we look forward to exploiting that
opportunity with you at SkyStream.

Very truly yours,

SKYSTREAM CORP.

/s/ GEOFFREY Y. YANG
-----------------------------
Geoffrey Y. Yang
For the Board of Directors

                                    Accepted and agreed to by:

                                    /s/ JAMES D. OLSON
                                    -----------------------------
                                    Mr. James D. Olson

                                    June 13, 1997
                                    -----------------------------
                                    Date

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Enclosure: Duplicate Original Letter

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