Document:

Non-qualified Stock Option Agreement

 Exhibit 10.1 
  
 AVICI SYSTEMS INC. 
  
 Non-Qualified Stock Option Agreement 
 Under the 2000 Stock Option and Incentive Plan 
  
 Avici Systems Inc., a Delaware corporation (the “Company”), hereby grants as of                      (“Grant
Date”) to                      (the “Optionee”), an option to purchase a maximum of
                     (the “Option Shares”) of its Common Stock, $.0001 par value (“Common Stock”), at the price of
$             per share, on the following terms and conditions: 
  
 1. Grant Under 2000 Stock Option and Incentive Plan. This option is granted pursuant to and is governed by the Company’s 2000
Stock Option and Incentive Plan, as amended from time to time (the “Plan”) and, unless the context otherwise requires, terms used herein shall have the same meaning as in the Plan. Determinations made in connection with this option
pursuant to the Plan shall be governed by the Plan, as it exists on this date. Any inconsistency between this Agreement and the Plan shall be governed by the Plan. 
  
 2. Grant as Non-Qualified Option; Other Options. This option shall be treated for federal income tax
purposes as a Non-Qualified Option (rather than an incentive stock option). This option is in addition to any other options heretofore or hereafter granted to the Optionee by the Company, but a duplicate original of this instrument shall not affect
the grant of another option. 
  
 3. Vesting of Option
if Business Relationship Continues. If the Optionee has continued to serve the Company or any Related Corporation in the capacity of an employee, officer, director or consultant (such service is described herein as maintaining or being
involved in a “Business Relationship” with the Company or any Related Corporation) on the following dates, the Optionee may exercise this option for the number of shares of Common Stock set opposite the applicable date: 

 
 After the Grant Date, this option shall be exercisable for
             shares on the last day of each                      (or with
respect to the final installment such number of shares as shall remain unexercisable) such that it shall be fully exercisable, subject to the terms and conditions of this Agreement, on the date which is
             years from the Grant Date. 
  
 [On or after [date], this option will be exercisable for
[                ] of the shares subject to the Option.] [May have multiple vesting dates and portions of shares subject to vesting] 
  
 [If [goal] is achieved by [date], this option will be exercisable for
[                ] of the shares on or after the date of the Committee’s determination that such shares shall become exercisable.] [May have multiple goals
and portions of shares subject to vesting] 
  
 [On or after [date]
(the “Cliff Vesting Date”), this option will be exercisable for any and all shares. Shares may become exercisable prior to the Cliff Vesting Date as follows: 
  

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	 	•	 	If [goal] is achieved by [date], then this option will be exercisable for
[                    ] of the shares on or after the date of the Committee’s determination that such shares shall become exercisable.]
[May have multiple goals and portions of shares subject to vesting] 

  
 [Immediately prior to the consummation of an Acquisition (as defined in the Plan), this option shall become exercisable as to
                     of the shares that remain unexercisable as of such date; and this option shall remain the obligation of the Company or be
assumed by the surviving or acquiring entity.] [Further, if due to the consummation of an Acquisition, the Optionee is terminated without Cause (as defined in Section 4(c)) or has a reduction in responsibility, position or compensation, [or other
criteria] then this option shall immediately become exercisable as to                          of the shares that remain
unexercisable as of such date.] 
  
 The foregoing rights are
cumulative and, while the Optionee continues to maintain a Business Relationship with the Company or any Related Corporation, may be exercised before the date which is ten years from the date this option is granted. All of the foregoing rights are
subject to Sections 4 and 5, as appropriate, if the Optionee ceases to maintain a Business Relationship with the Company and all Related Corporations or dies, becomes disabled or undergoes dissolution while involved in a Business Relationship with
the Company or any Related Corporation. For the purposes of this Agreement, “Related Corporation” shall mean any present or future subsidiary corporations of Avici Systems Inc., as defined in Section 424(f) of the Internal Revenue Code of
1986, as amended (the “Code”), and any present or future parent corporation of Avici Systems Inc., as defined in Section 424(e) of the Code. 
  
 4. Termination of Business Relationship. 
  
 (a) Termination Other than for Cause: If the Optionee’s Business Relationship with the Company and all Related Corporations is
terminated, other than by reason of death, disability or dissolution as defined in Section 5 or termination for Cause as defined in Section 4(c), no further installments of this option shall become exercisable, and this option shall terminate after
the passage of thirty (30) days from the date the Business Relationship ceases, but in no event later than the scheduled expiration date[; provided, that if such Business Relationship is terminated other than for Cause following an Acquisition, then
this option may be exercised, to the extent otherwise exercisable on the date the Business Relationship was terminated, at any time within one year after such termination, but not later than the scheduled expiration date.] In such a case, the
Optionee’s only rights hereunder shall be those which are properly exercised before the termination of this option. 
  
 (b) Termination for Cause: If the Optionee’s Business Relationship with the Company and all Related Corporations is terminated
for Cause (as defined in Section 4(c)), this option shall terminate upon the Optionee’s receipt of written notice of such termination and shall thereafter not be exercisable to any extent whatsoever. 
  
 (c) Definition of Cause: “Cause” shall mean
conduct involving one or more of the following: [(i) the substantial and continuing failure of the Optionee, after notice thereof, to render services to the Company or any Related Corporation in accordance with the terms or 
  

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 requirements of the Optionee’s Business Relationship with the Company or any Related Corporation; (ii) disloyalty,
gross negligence, willful misconduct, dishonesty or breach of fiduciary duty to the Company or any Related Corporation; (iii) the commission of an act of embezzlement or fraud; (iv) deliberate disregard of the rules or policies of the Company or any
Related Corporation which results in direct or indirect loss, damage or injury to the Company or any Related Corporation; (v) the unauthorized disclosure of any trade secret or confidential information of the Company or any Related Corporation; or
(vi) the commission of an act which constitutes unfair competition with the Company or any Related Corporation or which induces any customer or supplier to break a contract with the Company or any Related Corporation.] 
  
 5. Death; Disability; Dissolution. 
  
 (a) Death: If the Optionee is a natural person who dies
while involved in a Business Relationship with the Company or any Related Corporation, this option may be exercised, to the extent otherwise exercisable on the date of his or her death, by the Optionee’s estate, personal representative or
beneficiary to whom this option has been transferred pursuant to Section 9, at any time within one year after the date of death, but not later than the scheduled expiration date. 
  
 (b) Disability: If the Optionee is a natural person whose Business Relationship with the Company or any
Related Corporation is terminated by reason of his or her disability (as defined in the Plan), this option may be exercised, to the extent otherwise exercisable on the date the Business Relationship was terminated, at any time within one year after
such termination, but not later than the scheduled expiration date. 
  
 (c) Effect of Termination: At the expiration of such one year period provided in paragraph (a) or (b) of this Section 5 or the scheduled expiration date, whichever is the earlier, this option shall terminate and the
only rights hereunder shall be those as to which the option was properly exercised before such termination. 
  
 (d) Dissolution: If the Optionee is a corporation, partnership, trust or other entity that is dissolved, is liquidated, becomes
insolvent or enters into a merger or acquisition with respect to which the Optionee is not the surviving entity, at a time when the Optionee is involved in a Business Relationship with the Company or any Related Corporation, this option shall
immediately terminate as of the date of such event, and the only rights hereunder shall be those as to which this option was properly exercised before such dissolution or other event. 
  
 6. Partial Exercise. This option may be exercised in part at any time and from time to time within the
above limits, except that this option may not be exercised for a fraction of a share unless such exercise is with respect to the final installment of stock subject to this option and cash in lieu of a fractional share must be paid, to permit the
Optionee to exercise completely such final installment. Any fractional share with respect to which an installment of this option cannot be exercised because of the limitation contained in the preceding sentence shall remain subject to this option
and shall be available for later purchase by the Optionee in accordance with the terms hereof. 
  

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 7. Payment of Price. The option price shall be paid in the following manner:

  

	 	(i)	in cash or by check; 

  

	 	(ii)	by delivery of an assignment satisfactory in form and substance to the Company of a sufficient amount of the proceeds from the sale of the Option Shares and an instruction to the
broker or selling agent to pay that amount to the Company; or 

  

	 	(iii)	by any combination of the foregoing. 

  
 8. Method of Exercising Option. Subject to the terms and conditions of this Agreement, this option may be exercised by written notice
to the Company, at the principal executive office of the Company, or to such transfer agent as the Company shall designate. Such notice shall state the election to exercise this option and the number of Option Shares for which it is being exercised
and shall be signed by the person or persons so exercising this option. Such notice shall be accompanied by payment of the full purchase price of such shares, and the Company shall deliver a certificate or certificates representing such shares as
soon as practicable after the notice shall be received. Such certificate or certificates shall be registered in the name of the person or persons so exercising this option (or, if this option shall be exercised by the Optionee and if the Optionee
shall so request in the notice exercising this option, shall be registered in the name of the Optionee and another person jointly, with right of survivorship). In the event this option shall be exercised, pursuant to Section 5 hereof, by any person
or persons other than the Optionee, such notice shall be accompanied by appropriate proof of the right of such person or persons to exercise this option. 
  
 9. Option Not Transferable. This option is not transferable or assignable except by will or by the laws of descent and distribution.
During the Optionee’s lifetime, only the Optionee can exercise this option. 
  
 10. No Obligation to Exercise Option. The grant and acceptance of this option imposes no obligation on the Optionee to exercise it. 
  
 11. No Obligation to Continue Business Relationship. Neither the Plan, this Agreement, nor the grant of
this option imposes any obligation on the Company or any Related Corporation to continue to maintain a Business Relationship with the Optionee. 
  
 12. No Rights as Stockholder until Exercise. The Optionee shall have no rights as a stockholder with respect to the Option Shares
until such time as the Optionee has exercised this option by delivering a notice of exercise and has paid in full the purchase price for the number of shares for which this option is to be so exercised in accordance with Section 8. Except as is
expressly provided in the Plan with respect to certain changes in the capitalization of the Company, no adjustment shall be made for dividends or similar rights for which the record date is prior to such date of exercise. 
  

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 13. Capital Changes and Business Successions. The Plan contains provisions covering
the treatment of options in a number of contingencies such as stock splits and mergers. Provisions in the Plan for adjustment with respect to stock subject to options and the related provisions with respect to successors to the business of the
Company are hereby made applicable hereunder and are incorporated herein by reference. 
  
 14. Withholding Taxes. If the Company or any Related Corporation in its discretion determines that it is obligated to withhold any tax in connection with the exercise of this option, or in
connection with the transfer of, or the lapse of restrictions on, any Common Stock or other property acquired pursuant to this option, the Optionee hereby agrees that the Company or any Related Corporation may withhold from the Optionee’s wages
or other remuneration the appropriate amount of tax. At the discretion of the Company or Related Corporation, the amount required to be withheld may be withheld in cash from such wages or other remuneration or in kind from the Common Stock or other
property otherwise deliverable to the Optionee on exercise of this option. The Optionee further agrees that, if the Company or any Related Corporation does not withhold an amount from the Optionee’s wages or other remuneration sufficient to
satisfy the withholding obligation of the Company or Related Corporation, the Optionee will make reimbursement on demand, in cash, for the amount underwithheld. 
  

15. Lock-up Agreement. The Employee agrees that in connection with an underwritten public offering of Common Stock, upon the
request of the Company or the principal underwriter managing such public offering, this Option and the Option Shares may not be sold, offered for sale or otherwise disposed of without the prior written consent of the Company or such underwriter, as
the case may be, for at least      days after the effectiveness of the Registration Statement filed in connection with such offering, or such longer period of time as the Board of Directors may determine if all of the
Company’s directors and officers agree to be similarly bound. 
  
 16. Arbitration. Any dispute, controversy, or claim arising out of, in connection with, or relating to the performance of this Agreement or its termination shall be settled by arbitration in the Commonwealth of
Massachusetts, pursuant to the rules then obtaining of the American Arbitration Association. Any award shall be final, binding and conclusive upon the parties and a judgment rendered thereon may be entered in any court having jurisdiction thereof.

  
 17. Provision of Documentation to
Employee. By signing this Agreement the Optionee acknowledges receipt of a copy of this Agreement and a copy of the Plan. 
  
 18. Miscellaneous. 
  
 (a) Notices: All notices hereunder shall be in writing and shall be deemed given when sent by certified or registered mail, postage
prepaid, return receipt requested, to the address set forth below. The addresses for such notices may be changed from time to time by written notice given in the manner provided for herein. 
  
 (b) Entire Agreement; Modification: This Agreement
constitutes the entire agreement between the parties relative to the subject matter hereof, and supersedes all proposals, 
  

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 written or oral, and all other communications between the parties relating to the subject matter of this Agreement. This
Agreement may be modified, amended or rescinded only by a written agreement executed by both parties. 
  
 (c) Severability: The invalidity, illegality or unenforceability of any provision of this Agreement shall in no way affect the
validity, legality or enforceability of any other provision. 
  
 (d) Successors and Assigns: This Agreement shall be binding upon and inure to the benefit of the parties hereto and their respective successors and assigns, subject to the limitations set forth in Section 9 hereof.

  
 (e) Governing Law: This Agreement shall be
governed by and interpreted in accordance with the laws of the Commonwealth of Massachusetts, without giving effect to the principles of the conflicts of laws thereof. 
  
 IN WITNESS WHEREOF, the Company and the Optionee have caused this instrument to be executed as of the date first above written. 

 

							
	  
  

 [                    ]
	 	 AVICI SYSTEMS INC.
 101 Billerica
Avenue
 North Billerica, MA 01862

			
	  
  

	 	 	 	 
	 Street Address
  
	 	By:	 	  

	  
  

	 	 	 	 
	City         State         Zip Code	 	 	 	 

  

 6Stock Restriction Agreement

 Exhibit 10.2 
  
 STOCK RESTRICTION AGREEMENT 
  
 AGREEMENT made this     th day of
             (the “Grant Date”) between Avici Systems Inc., a Delaware corporation (the “Company”), and
                 (the “Employee”) (the “Agreement”). 
  

Recitals: 
  
 The Employee has been granted              shares (the “Shares”) of the
Common Stock, $.0001 par value per share (the “Common Stock”), of the Company pursuant to the Company’s 2000 Stock Option and Incentive Plan, as amended, (the “Plan”) in consideration of
$         per share and subject to the terms and conditions of this Agreement. 
  
 The Company wishes to continue to retain the Employee as an employee of the Company and the Employee wishes to continue to be retained by the Company.

  
 In consideration of the mutual covenants contained herein and
for other valuable consideration, receipt of which is hereby acknowledged, the parties hereto agree as follows: 
  
 1. Grant. Subject to the terms and conditions of the Plan, the Company hereby grants and issues to the Employee
             Shares in consideration of the payment to the Company of an amount equal to $             per share.
The Shares granted pursuant to the Plan shall be subject to forfeiture, if, in the discretion of the Board of Directors (the “Board”) or any one or more committees or subcommittees of the Board (a “Committee”), the Employee has
not, within a reasonable period of time following the grant of the Shares, executed any instrument required by the Board or a Committee to be executed in connection with such grant. The Shares will be evidenced by this Agreement and the Employee
will not receive a stock certificate for the Shares. Initially, the Employee will have his or her ownership of the Shares registered only in book-entry form in the records of the transfer agent for the Company’s Common Stock. Book-entry
registration refers to a method of recording stock ownership in which no share certificates are issued to stockholders. After any date upon which the Shares have vested, the Employee may obtain a certificate for his or her vested Shares registered
in his or her name in book-entry form upon request from the Company, provided that the Employee has signed this Agreement and the Irrevocable Standing Order to Sell Shares, attached hereto as Exhibit A (the “Standing Order”) to
facilitate payment of applicable Withholding Taxes (as defined in Section 4 below). 
  
 2. Vesting of Option if Business Relationship Continues. 
  
 If the Employee has continued to serve the Company or any parent or subsidiary of the Company (a “Related Corporation”) in the capacity of an
employee, officer, director or consultant (such service is described herein as maintaining or being involved in a “Business Relationship” with the Company or any Related Corporation) on any of the following dates, the Shares granted
to the Employee shall vest as indicated below: 
  
 [On [date],
[                    ] of the Shares shall vest.] [May have multiple vesting dates and portions of Shares subject to vesting] 
  
 [If [goal] is achieved by [date], then upon the Committee’s determination in accordance
with Section 2(b) below, [                    ] of the Shares shall vest.] [May have multiple goals and dates and portions of Shares subject
to vesting] 
  
 [On [date] (the “Cliff Vesting Date”), the shares that
have not already vested pursuant to this Section 2(a) shall vest. 
  
 (i) The Shares shall vest prior to the Cliff Vesting Date as follows: 
  

	 	•	 	If [goal] is achieved by [date], then upon the Committee’s determination in accordance with Section 2(b) below,
[                    ] of the Shares shall vest.] [May have multiple goals and dates and portions of Shares subject to vesting]

 Notwithstanding the foregoing, all Shares shall vest, if not otherwise vested, on the
             anniversary of the Grant Date, subject to the terms and conditions of this Agreement. [In addition, on the occurrence and consummation of an “Acquisition” of
the Company prior to the              anniversary of the Grant Date, as such term, “Acquisition”, is defined and used in the Plan,
             Shares shall vest, if not otherwise vested, subject to the terms and conditions of this Agreement.] 
  
 (b) Following the date the Employee ceases to maintain a Business Relationship with the Company or any Related Corporation,
no unvested Shares shall become vested Shares with respect to the Employee, unless otherwise approved by the Board or its Committee. Any determination under this Agreement as to employment status or other matters referred to above shall be made in
good faith by the Board or its Committee, whose decision shall be binding on all parties. In such event, all unvested Shares shall be automatically and immediately forfeited by the Employee to the Company and the Common Stock represented by the
unvested Shares shall again be available for the grant of awards under the Plan. The Employee hereby appoints the Company as the attorney-in-fact of the Employee to take such actions as may be necessary or appropriate to effectuate a transfer of the
record ownership of any such shares that are forfeited hereunder. 
  
 3. Restrictions on Transfer. The Employee shall not sell, assign, transfer, pledge, encumber or dispose of all or any of his unvested Shares, either voluntarily or by operation of law, except that the Employee may transfer all or any
of his unvested Shares as follows: 
  
 (a) As a gift to any
member of his family or to any trust for the benefit of any such family member or the Employee provided that any such transferee shall agree in writing with the Company, as a condition precedent to such transfer, to be bound by all of the
provisions of this Agreement to the same extent as if such transferee were the Employee; or 
  
 (b) By court order, in which event each such transferee shall be bound by all of the provisions of this agreement to the same extent as if such transferee were the Employee. As used herein, the word
“family” shall include any spouse, lineal ancestor or descendant, brother or sister. 
  
 4. Taxes 
  
 (a) The Company’s obligation to deliver the Shares to the Employee shall be subject to the satisfaction of all applicable federal, state and local
income and employment tax withholding requirements (“Withholding Taxes”). In order to satisfy all Withholding Taxes due with respect to the Employee’s Shares, the Employee agrees to the following: 
  
 (i) As a condition of receiving any vested Shares, on the date of this
Agreement the Employee must execute the Standing Order, which authorizes the Company and its authorized broker to take the actions described in this subsection 4.(a)(i). The Employee agrees to deposit a sufficient number of the Shares into his or
her account at such broker and authorizes such broker to sell, at the market price and on the vesting date (or the first business day thereafter if the vesting date falls on a day when the market is closed), the number of vested Shares that the
Company has instructed such broker is necessary to obtain proceeds sufficient to satisfy the Withholding Taxes, unless the Employee pays the Company sufficient funds in the form of cash to satisfy the Withholding Taxes within a period of time, as
determined by the Company in its sole discretion if the Company so elects, prior to the vesting date. The Employee understands and agrees that the number of Shares that such broker will sell will be based on the market price of the Common Stock on
the vesting date. 
  
 (ii) The Employee agrees that the proceeds
received from the sale of vested Shares pursuant to Section 4.(a)(i) will be used to satisfy the Withholding Taxes and, accordingly, the Employee hereby authorizes such broker to pay such proceeds to the Company for such purpose. The Employee
understands that to the extent that the proceeds obtained by such sale exceed the amount necessary to satisfy the Withholding Taxes, such excess proceeds shall be deposited into the Employee’s account at such broker. The Employee further
understands that any remaining vested Shares shall be deposited into the Employee’s account at such broker. 
  

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 (iii) The Employee acknowledges and agrees that, in the event that there is not a market in the Common
Stock, the Company will have the right to make other arrangements to satisfy the Withholding Taxes due with respect to the Employee’s Shares. 
  
 (b) THE EMPLOYEE ACKNOWLEDGES THAT HE OR SHE HAS BEEN INFORMED THAT THE EMPLOYEE MUST DECIDE WHETHER OR NOT TO MAKE AN ELECTION UNDER SECTION 83(b) OF THE
INTERNAL REVENUE CODE OF 1986, AS AMENDED, WITH RESPECT TO THE UNVESTED SHARES; THAT SUCH ELECTION MUST BE FILED WITH THE INTERNAL REVENUE SERVICE WITHIN 30 DAYS OF THE EFFECTIVE GRANT DATE OF THE EMPLOYEE’S UNVESTED SHARES; AND THAT THE
EMPLOYEE IS SOLELY RESPONSIBLE FOR MAKING OR NOT MAKING A TIMELY SECTION 83(b) ELECTION (AND OBTAINING TAX ADVICE CONCERNING WHETHER AND HOW TO MAKE SUCH ELECTION). 
  
 (c) The Employee hereby agrees to deliver to the Company a signed copy of any document he may execute and file with the
Internal Revenue Service evidencing a Section 83(b) Election, and to deliver such copy to the Company prior to, or promptly upon, such filing, accompanied by a cash payment in the amount the Company anticipates is required to fulfill the Withholding
Taxes. The Employee further agrees that the Company may withhold from the Employee’s wages or other remuneration the appropriate amount of Withholding Taxes (to the extent not covered by the Employee’s cash payment to the Company). The
Employee further agrees that, if the Company does not withhold an amount from the Employee’s wages or other remuneration sufficient to satisfy the withholding obligation of the Company, the Employee will make reimbursement on demand, in cash,
for the amount underwithheld. 
  
 (d) The Employee understands
that if he or she makes a timely election under Section 83(b) of the Internal Revenue Code to recognize taxable income with respect to the Shares and provides the Company with (i) a copy of such election, (ii) proof of filing such election and (iii)
a cash payment in the amount the Company anticipates is required to fulfill the Withholding Taxes, the Company shall not enforce its rights under Section 4(a) and/or the Standing Order. 
  
 5. Adjustments for Stock Splits, Stock Dividends, etc.  
  
 (a) If at any time, (i) the Company shall subdivide (by any stock split,
stock dividend, stock distribution or other reclassification of the Common Stock of the Company) its outstanding shares of Common Stock or (ii) the stockholders of the Company receive by reason of any distribution in total or partial liquidation,
securities of another corporation pursuant to paragraph (c) below, then as a condition of such reorganization, reclassification or distribution, the Employee shall thereupon have the right to receive, (A) that number of vested shares of stock,
securities or assets as may be issued or payable with respect to or in exchange for the Shares which are vested immediately prior to or as a result of such subdivision, reorganization or reclassification and (B) that number of unvested shares of
stock, securities or assets as may be issued or payable with respect to or in exchange for the Shares which are unvested immediately prior to such subdivision, reorganization or reclassification. 
  
 (b) If from time to time during the term of this Agreement there is any stock
split-up, stock dividend, stock distribution or other reclassification of the Common Stock of the Company, any and all new, substituted or additional securities to which the Employee is entitled by reason of his ownership of the Shares shall be
immediately subject to vesting and other provisions of this Agreement in the same manner and to the same extent as the Shares. 
  
 (c) If the Shares are converted into or exchanged for, or stockholders of the Company receive by reason of any distribution in total or partial
liquidation, securities of another corporation, or other property (including cash), pursuant to any merger of the Company or acquisition of its assets, then the rights of the Company under this Agreement shall inure to the benefit of the
Company’s successor and this Agreement shall apply to the securities or other property received upon such conversion, exchange or distribution in the same manner and to the same extent as the Shares. 
  
 6. “Stand-Off” Agreement. The Employee agrees that, if
requested by the Company and the managing underwriter(s) of a public offering of the Company’s Common Stock, he will enter into an agreement with 
  

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 the Company and said underwriter(s) not to sell or otherwise transfer any Common Stock of the Company owned or controlled
by him for a period of up to 90 days after the effective date of the registration statement for the offering, provided that all directors and executive officers of the Company enter into substantially the same agreement with respect to shares
of the Company’s Common Stock owned or controlled by them or by organizations they represent. 
  
 7. Severability. The invalidity or unenforceability of any provision of this Agreement shall not affect the validity or enforceability of any other
provision of this Agreement, and each other provision of this Agreement shall be severable and enforceable to the extent permitted by law. 
  
 8. Waiver. Any provision contained in this Agreement may be waived, either generally or in any particular instance, by the Board or its Committee.

  
 9. Binding Effect. This Agreement shall be binding upon
and inure to the benefit of the Company and the Employee and their respective heirs, executors, administrators, legal representatives, successors and assigns. 
  

10. No Rights To Employment. Nothing contained in this Agreement shall be construed as giving the Employee any right to be retained, in any
position, as an employee of the Company. 
  
 11. Notice.
All notices required or permitted hereunder shall be in writing and deemed effectively given upon personal delivery or via the United States Post Office, by registered or certified mail, postage prepaid, addressed to the other party hereto at the
address shown beneath signature to this Agreement or at such other address or addresses as either party shall designate to the other. 
  
 12. Pronouns. Whenever the context may require, any pronouns used in this Agreement shall include the corresponding masculine, feminine or neuter
forms, and the singular form of nouns and pronouns shall include the plural, and vice versa. 
  
 13. Entire Agreement. This Agreement constitutes the entire agreement between the parties, and supersedes all prior agreements and understandings, relating to the subject matter of this Agreement. 

 
 14. Amendment. This Agreement may be amended or modified only by a
written instrument executed by both the Company and the Employee. 
  
 15. Governing Law. This Agreement shall be construed, interpreted and enforced in accordance with the laws of the Commonwealth of Massachusetts, exclusive of its choice of law or conflict of law rules. 
  

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 IN WITNESS WHEREOF, the parties hereto have executed this Agreement as of the day and year first above
written. 
  

					
	
 Employee Signature
	 	 AVICI SYSTEMS INC.
 101 Billerica
Avenue
 North Billerica, MA 01862

	 	 	 	 	 
	
 Print Name of Employee
	 	 	 	 
	 	 	 	 	 
			
	
 Title
	 	By:	 	  

			
	
 Street Address
	 	 	 	 
		
	
 City         State        Zip Code
	 	
 Title

			
	
 Telephone No. (with area code)
	 	 	 	 
			
	
 Tax ID/ Social Security No.
	 	 	 	 

  

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