-----BEGIN PRIVACY-ENHANCED MESSAGE----- Proc-Type: 2001,MIC-CLEAR Originator-Name: webmaster@www.sec.gov Originator-Key-Asymmetric: MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB MIC-Info: RSA-MD5,RSA, OqU9wqkYH1yr+Faup7j7yqbuXqyT63GL/XiEkf7RxgKS+haEsiCZo833E2e36cEr DDRf5oGslGTobJpMyPbtfQ== 0000903893-97-000269.txt : 19970222 0000903893-97-000269.hdr.sgml : 19970222 ACCESSION NUMBER: 0000903893-97-000269 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 19970214 SROS: NONE GROUP MEMBERS: BRUCE R. EVANS GROUP MEMBERS: E. ROE STAMPS, IV GROUP MEMBERS: ERNEST K. JACQUET GROUP MEMBERS: GREGORY M. AVIS GROUP MEMBERS: JOHN A. GENEST GROUP MEMBERS: MARTIN J. MANNION GROUP MEMBERS: STAMPS, WOODSUM & CO. III GROUP MEMBERS: STEPHEN G. WOODSUM GROUP MEMBERS: SUMMIT INVESTORS II, L.P. GROUP MEMBERS: SUMMIT PARTNERS III, L.P. GROUP MEMBERS: SUMMIT PARTNERS SD, L.P. GROUP MEMBERS: SUMMIT SUBORDINATED DEBT FUND, L.P. GROUP MEMBERS: SUMMIT VENTURES III LP GROUP MEMBERS: THOMAS S. ROBERTS GROUP MEMBERS: WALTER G. KORTSCHAK SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: AMX CORP CENTRAL INDEX KEY: 0000944248 STANDARD INDUSTRIAL CLASSIFICATION: ELECTRONIC COMPONENTS & ACCESSORIES [3670] IRS NUMBER: 751815822 STATE OF INCORPORATION: TX FISCAL YEAR END: 0331 FILING VALUES: FORM TYPE: SC 13G/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-46481 FILM NUMBER: 97532636 BUSINESS ADDRESS: STREET 1: 11995 FORESTGATE DR CITY: DALLAS STATE: TX ZIP: 75243 BUSINESS PHONE: 2146443048 MAIL ADDRESS: STREET 1: 11995 FORESTGATE DR CITY: DALLAS STATE: TX ZIP: 75243 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: SUMMIT VENTURES III LP CENTRAL INDEX KEY: 0001018081 STANDARD INDUSTRIAL CLASSIFICATION: [] FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: C/O SUMMIT PARTNERS STREET 2: 600 ATLANTIC AVENUE CITY: BOSTON STATE: MA ZIP: 02210 BUSINESS PHONE: 6178241000 MAIL ADDRESS: STREET 1: C/O SUMMIT PARTNERS STREET 2: 600 ATLANTIC AVE CITY: BOSTON STATE: MA ZIP: 02210 SC 13G/A 1 AMENDED SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G UNDER THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. 1 )* AMX Corporation --------------- (Name of Issuer) Common Stock, $.01 par value ---------------------------- (Title of Class of Securities) 001801109 --------- (CUSIP Number) *The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page. The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes). Page 1 of 35 Pages CUSIP NO. 001801109 13G PAGE 2 OF 35 PAGES - ------ ------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Summit Ventures III, L.P. - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ ] - ------ - ------ ------------------------------------------------------------------------- 3 SEC USE ONLY - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware limited partnership - ------ ------------------------------------------------------------------------- - ----------------------- ----- -------------------------------------------------- 5 SOLE VOTING POWER 0 shares NUMBER OF ----- -------------------------------------------------- ----- -------------------------------------------------- SHARES 6 SHARED VOTING POWER BENEFICIALLY OWNED BY 1,169,076 shares ----- -------------------------------------------------- ----- -------------------------------------------------- EACH 7 SOLE DISPOSITIVE POWER REPORTING PERSON 0 shares ----- -------------------------------------------------- ----- -------------------------------------------------- WITH 8 SHARED DISPOSITIVE POWER 1,169,076 shares - ----------------------- ----- -------------------------------------------------- - ------ ------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,169,076 shares - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 15.0% - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON * PN - ------ ------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! Page 2 of 35 Pages CUSIP NO. 001801109 13G PAGE 3 OF 35 PAGES - ------ ------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Summit Partners III, L.P. - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ ] - ------ - ------ ------------------------------------------------------------------------- 3 SEC USE ONLY - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware limited partnership - ------ ------------------------------------------------------------------------- - ----------------------- ----- -------------------------------------------------- 5 SOLE VOTING POWER 0 shares NUMBER OF ----- -------------------------------------------------- ----- -------------------------------------------------- SHARES 6 SHARED VOTING POWER BENEFICIALLY OWNED BY 1,169,076 shares ----- -------------------------------------------------- ----- -------------------------------------------------- EACH 7 SOLE DISPOSITIVE POWER REPORTING PERSON 0 shares ----- -------------------------------------------------- ----- -------------------------------------------------- WITH 8 SHARED DISPOSITIVE POWER 1,169,076 shares - ----------------------- ----- -------------------------------------------------- - ------ ------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,169,076 shares - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 15.0% - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON * PN - ------ ------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! Page 3 of 35 Pages CUSIP NO. 001801109 13G PAGE 4 OF 35 PAGES - ------ ------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Summit Investors II, L.P. - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ ] - ------ - ------ ------------------------------------------------------------------------- 3 SEC USE ONLY - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware limited partnership - ------ ------------------------------------------------------------------------- - ----------------------- ----- -------------------------------------------------- 5 SOLE VOTING POWER 0 shares NUMBER OF ----- -------------------------------------------------- ----- -------------------------------------------------- SHARES 6 SHARED VOTING POWER BENEFICIALLY OWNED BY 1,169,076 shares ----- -------------------------------------------------- ----- -------------------------------------------------- EACH 7 SOLE DISPOSITIVE POWER REPORTING PERSON 0 shares ----- -------------------------------------------------- ----- -------------------------------------------------- WITH 8 SHARED DISPOSITIVE POWER 1,169,076 shares - ----------------------- ----- -------------------------------------------------- - ------ ------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,169,076 shares - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 15.0% - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON * PN - ------ ------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! Page 4 of 35 Pages CUSIP NO. 001801109 13G PAGE 5 OF 35 PAGES - ------ ------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Stamps, Woodsum & Co. III - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ ] - ------ - ------ ------------------------------------------------------------------------- 3 SEC USE ONLY - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Massachusetts general partnership - ------ ------------------------------------------------------------------------- - ----------------------- ----- -------------------------------------------------- 5 SOLE VOTING POWER 0 shares NUMBER OF ----- -------------------------------------------------- ----- -------------------------------------------------- SHARES 6 SHARED VOTING POWER BENEFICIALLY OWNED BY 1,169,076 shares ----- -------------------------------------------------- ----- -------------------------------------------------- EACH 7 SOLE DISPOSITIVE POWER REPORTING PERSON 0 shares ----- -------------------------------------------------- ----- -------------------------------------------------- WITH 8 SHARED DISPOSITIVE POWER 1,169,076 shares - ----------------------- ----- -------------------------------------------------- - ------ ------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,169,076 shares - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 15.0% - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON * PN - ------ ------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! Page 5 of 35 Pages CUSIP NO. 001801109 13G PAGE 6 OF 35 PAGES - ------ ------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Summit Subordinated Debt Fund, L.P. - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ ] - ------ - ------ ------------------------------------------------------------------------- 3 SEC USE ONLY - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware limited partnership - ------ ------------------------------------------------------------------------- - ----------------------- ----- -------------------------------------------------- 5 SOLE VOTING POWER 0 shares NUMBER OF ----- -------------------------------------------------- ----- -------------------------------------------------- SHARES 6 SHARED VOTING POWER BENEFICIALLY OWNED BY 1,169,076 shares ----- -------------------------------------------------- ----- -------------------------------------------------- EACH 7 SOLE DISPOSITIVE POWER REPORTING PERSON 0 shares ----- -------------------------------------------------- ----- -------------------------------------------------- WITH 8 SHARED DISPOSITIVE POWER 1,169,076 shares - ----------------------- ----- -------------------------------------------------- - ------ ------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,169,076 shares - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 15.0% - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON * PN - ------ ------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! Page 6 of 35 Pages CUSIP NO. 001801109 13G PAGE 7 OF 35 PAGES - ------ ------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Summit Partners SD, L.P. - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ ] - ------ - ------ ------------------------------------------------------------------------- 3 SEC USE ONLY - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware limited partnership - ------ ------------------------------------------------------------------------- - ----------------------- ----- -------------------------------------------------- 5 SOLE VOTING POWER NUMBER OF 0 shares ----- -------------------------------------------------- ----- -------------------------------------------------- SHARES 6 SHARED VOTING POWER BENEFICIALLY OWNED BY 1,169,076 shares ----- -------------------------------------------------- ----- -------------------------------------------------- EACH 7 SOLE DISPOSITIVE POWER REPORTING PERSON 0 shares ----- -------------------------------------------------- ----- -------------------------------------------------- WITH 8 SHARED DISPOSITIVE POWER 1,169,076 shares - ----------------------- ----- -------------------------------------------------- - ------ ------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,169,076 shares - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 15.0% - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON * PN - ------ ------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! Page 7 of 35 Pages CUSIP NO. 001801109 13G PAGE 8 OF 35 PAGES - ------ ------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON E. Roe Stamps, IV - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ ] - ------ - ------ ------------------------------------------------------------------------- 3 SEC USE ONLY - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION United States - ------ ------------------------------------------------------------------------- - ----------------------- ----- -------------------------------------------------- 5 SOLE VOTING POWER 0 shares NUMBER OF ----- -------------------------------------------------- ----- -------------------------------------------------- SHARES 6 SHARED VOTING POWER BENEFICIALLY OWNED BY 1,169,076 shares ----- -------------------------------------------------- ----- -------------------------------------------------- EACH 7 SOLE DISPOSITIVE POWER REPORTING PERSON 0 shares ----- -------------------------------------------------- ----- -------------------------------------------------- WITH 8 SHARED DISPOSITIVE POWER 1,169,076 shares - ----------------------- ----- -------------------------------------------------- - ------ ------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,169,076 shares - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 15.0% - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON * IN - ------ ------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! Page 8 of 35 Pages CUSIP NO. 001801109 13G PAGE 9 OF 35 PAGES - ------ ------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Stephen G. Woodsum - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ ] - ------ - ------ ------------------------------------------------------------------------- 3 SEC USE ONLY - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION United States - ------ ------------------------------------------------------------------------- - ----------------------- ----- -------------------------------------------------- 5 SOLE VOTING POWER 0 shares NUMBER OF ----- -------------------------------------------------- ----- -------------------------------------------------- SHARES 6 SHARED VOTING POWER BENEFICIALLY OWNED BY 1,169,076 shares ----- -------------------------------------------------- ----- -------------------------------------------------- EACH 7 SOLE DISPOSITIVE POWER REPORTING PERSON 0 shares ----- -------------------------------------------------- ----- -------------------------------------------------- WITH 8 SHARED DISPOSITIVE POWER 1,169,076 shares - ----------------------- ----- -------------------------------------------------- - ------ ------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,169,076 shares - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 15.0% - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON * IN - ------ ------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! Page 9 of 35 Pages CUSIP NO. 001801109 13G PAGE 10 OF 35 PAGES - ------ ------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Gregory M. Avis - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ ] - ------ - ------ ------------------------------------------------------------------------- 3 SEC USE ONLY - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION United States - ------ ------------------------------------------------------------------------- - ----------------------- ----- -------------------------------------------------- 5 SOLE VOTING POWER 0 shares NUMBER OF ----- -------------------------------------------------- ----- -------------------------------------------------- SHARES 6 SHARED VOTING POWER BENEFICIALLY OWNED BY 1,169,076 shares ----- -------------------------------------------------- ----- -------------------------------------------------- EACH 7 SOLE DISPOSITIVE POWER REPORTING PERSON 0 shares ----- -------------------------------------------------- ----- -------------------------------------------------- WITH 8 SHARED DISPOSITIVE POWER 1,169,076 shares - ----------------------- ----- -------------------------------------------------- - ------ ------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,169,076 shares - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 15.0% - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON * IN - ------ ------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! Page 10 of 35 Pages CUSIP NO. 001801109 13G PAGE 11 OF 35 PAGES - ------ ------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON John A. Genest - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ ] - ------ - ------ ------------------------------------------------------------------------- 3 SEC USE ONLY - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION United States - ------ ------------------------------------------------------------------------- - ----------------------- ----- -------------------------------------------------- 5 SOLE VOTING POWER 0 shares NUMBER OF ----- -------------------------------------------------- ----- -------------------------------------------------- SHARES 6 SHARED VOTING POWER BENEFICIALLY OWNED BY 1,169,076 shares ----- -------------------------------------------------- ----- -------------------------------------------------- EACH 7 SOLE DISPOSITIVE POWER REPORTING PERSON 0 shares ----- -------------------------------------------------- ----- -------------------------------------------------- WITH 8 SHARED DISPOSITIVE POWER 1,169,076 shares - ----------------------- ----- -------------------------------------------------- - ------ ------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,169,076 shares - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 15.0% - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON * IN - ------ ------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! Page 11 of 35 Pages CUSIP NO. 001801109 13G PAGE 12 OF 35 PAGES - ------ ------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Martin J. Mannion - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ ] - ------ - ------ ------------------------------------------------------------------------- 3 SEC USE ONLY - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION United States - ------ ------------------------------------------------------------------------- - ----------------------- ----- -------------------------------------------------- 5 SOLE VOTING POWER 0 shares NUMBER OF ----- -------------------------------------------------- ----- -------------------------------------------------- SHARES 6 SHARED VOTING POWER BENEFICIALLY OWNED BY 1,169,076 shares ----- -------------------------------------------------- ----- -------------------------------------------------- EACH 7 SOLE DISPOSITIVE POWER REPORTING PERSON 0 shares ----- -------------------------------------------------- ----- -------------------------------------------------- WITH 8 SHARED DISPOSITIVE POWER 1,169,076 shares - ----------------------- ----- -------------------------------------------------- - ------ ------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,169,076 shares - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 15.0% - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON * IN - ------ ------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! Page 12 of 35 Pages CUSIP NO. 001801109 13G PAGE 13 OF 35 PAGES - ------ ------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Ernest K. Jacquet - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ ] - ------ - ------ ------------------------------------------------------------------------- 3 SEC USE ONLY - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION United States - ------ ------------------------------------------------------------------------- - ----------------------- ----- -------------------------------------------------- 5 SOLE VOTING POWER 0 shares NUMBER OF ----- -------------------------------------------------- ----- -------------------------------------------------- SHARES 6 SHARED VOTING POWER BENEFICIALLY OWNED BY 1,169,076 shares ----- -------------------------------------------------- ----- -------------------------------------------------- EACH 7 SOLE DISPOSITIVE POWER REPORTING PERSON 0 shares ----- -------------------------------------------------- ----- -------------------------------------------------- WITH 8 SHARED DISPOSITIVE POWER 1,169,076 shares - ----------------------- ----- -------------------------------------------------- - ------ ------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,169,076 shares - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 15.0% - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON * IN - ------ ------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! Page 13 of 35 Pages CUSIP NO. 001801109 13G PAGE 14 OF 35 PAGES - ------ ------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Bruce R. Evans - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ ] - ------ - ------ ------------------------------------------------------------------------- 3 SEC USE ONLY - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION United States - ------ ------------------------------------------------------------------------- - ----------------------- ----- -------------------------------------------------- 5 SOLE VOTING POWER 0 shares NUMBER OF ----- -------------------------------------------------- ----- -------------------------------------------------- SHARES 6 SHARED VOTING POWER BENEFICIALLY OWNED BY 1,169,076 shares ----- -------------------------------------------------- ----- -------------------------------------------------- EACH 7 SOLE DISPOSITIVE POWER REPORTING PERSON 0 shares ----- -------------------------------------------------- ----- -------------------------------------------------- WITH 8 SHARED DISPOSITIVE POWER 1,169,076 shares - ----------------------- ----- -------------------------------------------------- - ------ ------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,169,076 shares - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 15.0% - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON * IN - ------ ------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! Page 14 of 35 Pages CUSIP NO. 001801109 13G PAGE 15 OF 35 PAGES - ------ ------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Thomas S. Roberts - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ ] - ------ - ------ ------------------------------------------------------------------------- 3 SEC USE ONLY - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION United States - ------ ------------------------------------------------------------------------- - ----------------------- ----- -------------------------------------------------- 5 SOLE VOTING POWER 0 shares NUMBER OF ----- -------------------------------------------------- ----- -------------------------------------------------- SHARES 6 SHARED VOTING POWER BENEFICIALLY OWNED BY 1,169,076 shares ----- -------------------------------------------------- ----- -------------------------------------------------- EACH 7 SOLE DISPOSITIVE POWER REPORTING PERSON 0 shares ----- -------------------------------------------------- ----- -------------------------------------------------- WITH 8 SHARED DISPOSITIVE POWER 1,169,076 shares - ----------------------- ----- -------------------------------------------------- - ------ ------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,169,076 shares - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 15.0% - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON * IN - ------ ------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! Page 15 of 35 Pages CUSIP NO. 001801109 13G PAGE 16 OF 35 PAGES - ------ ------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Walter G. Kortschak - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ ] - ------ - ------ ------------------------------------------------------------------------- 3 SEC USE ONLY - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION United States - ------ ------------------------------------------------------------------------- - ----------------------- ----- -------------------------------------------------- 5 SOLE VOTING POWER 0 shares NUMBER OF ----- -------------------------------------------------- ----- -------------------------------------------------- SHARES 6 SHARED VOTING POWER BENEFICIALLY OWNED BY 1,169,076 shares ----- -------------------------------------------------- ----- -------------------------------------------------- EACH 7 SOLE DISPOSITIVE POWER REPORTING PERSON 0 shares ----- -------------------------------------------------- ----- -------------------------------------------------- WITH 8 SHARED DISPOSITIVE POWER 1,169,076 shares - ----------------------- ----- -------------------------------------------------- - ------ ------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,169,076 shares - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 15.0% - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON * IN - ------ ------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! Page 16 of 35 Pages Schedule 13G Item 1(a). Name of Issuer: AMX Corporation Item 1(b). Address of Issuer's Principal Executive Offices: 11995 Forestgate Drive, Dallas, TX 75243 Item 2(a). Names of Persons Filing: Summit Ventures III, L.P., Summit Partners III, L.P., Summit Investors II, L.P., Stamps, Woodsum & Co. III, Summit Subordinated Debt Fund, L.P., Summit Partners SD, L.P. and Messrs. E. Roe Stamps, IV, Stephen G. Woodsum, Gregory M. Avis, John A. Genest, Martin J. Mannion, Ernest K. Jacquet, Bruce R. Evans, Thomas S. Roberts and Walter G. Kortschak. Summit Partners III, L.P. is the sole general partner of Summit Ventures III, L.P. Stamps, Woodsum & Co. III is the sole general partner of Summit Partners III, L.P. Summit Partners SD, L.P. is the sole general partner of Summit Subordinated Debt Fund, L.P. Stamps, Woodsum and Co. III is the sole general partner of Summit Partners SD, L.P. Messrs. Stamps, Woodsum, Avis, Genest, Mannion, Jacquet, Evans, Roberts and Kortschak are individual general partners of Stamps, Woodsum & Co. III and of Summit Investors II, L.P. Item 2(b). Address of Principal Business Office or, if None, Residence: The address of the principal business office of Summit Ventures III, L.P., Summit Partners III, L.P., Summit Investors II, L.P., Stamps, Woodsum & Co. III , Summit Subordinated Debt Fund, L.P., Summit Partners SD, L.P. and Messrs. Stamps, Woodsum, Mannion, Genest, Jacquet, Evans and Roberts is Summit Partners, 600 Atlantic Avenue, Boston, Massachusetts 02210. The address of the principal business office of Messrs. Avis and Kortschak is Summit Partners, 499 Hamilton Avenue, Palo Alto, California 94301. Item 2(c). Citizenship: Each of Summit Ventures III, L.P., Summit Partners III, L.P., Summit Investors II, L.P., Summit Subordinated Debt Fund, L.P., and Summit Partners SD, L.P. is a limited partnership organized under the laws of the State of Delaware. Stamps, Woodsum & Co. III is a general partnership organized under the laws of the Commonwealth of Massachusetts. Each of Messrs. Stamps, Woodsum, Avis, Mannion, Genest, Jacquet, Evans, Roberts and Kortschak is a United States citizen. Item 2(d). Title of Class of Securities: Common Stock, $.01 par value per share. Item 2(e). CUSIP Number:001801109 Item 3. If this statement is filed pursuant to Rules 13d-1(b), or 13d-2(b), check whether the person filing is a: Page 17 of 35 Pages (a) [ ] Broker or Dealer registered under Section 15 of the Securities Exchange Act of 1934 (the "Act"). (b) [ ] Bank as defined in Section 3(a)(6) of the Act. (c) [ ] Insurance Company as defined in Section 3(a)(19) of the Act. (d) [ ] Investment Company registered under Section 8 of the Investment Company Act of 1940. (e) [ ] Investment Adviser registered under Section 203 of the Investment Advisers Act of 1940. (f) [ ] Employee Benefit Plan, Pension Fund which is subject to the provisions of the Employee Retirement Income Security Act of 1974 or Endowment Fund; see Rule 13d-1(b)(1)(ii)(F) of the Act. (g) [ ] Parent Holding Company, in accordance with Rule 13d-1(b)(ii)(G) of the Act. (h) [ ] Group, in accordance with Rule 13d-1(b)(1)(ii)(H) of the Act. Not Applicable. Item 4. Ownership. (a) Amount Beneficially Owned: Each of Summit Ventures III, L.P., Summit Partners III, L.P., Summit Investors II, L.P., Stamps, Woodsum & Co. III, Summit Subordinated Debt Fund, L.P., and Summit Partners SD, L.P., (individually an "Entity" and collectively the "Entities") may be deemed to own beneficially 1,169,076 shares of Common Stock as of December 31, 1996. Each of Messrs. Stamps, Woodsum, Avis, Mannion, Genest, Jacquet, Evans, Roberts and Kortschak may be deemed to own beneficially 1,169,076 shares of Common Stock as of December 31, 1996. As of December 31, 1996, Summit Ventures III, L.P. was the record owner of 982,020 shares of Common Stock. As of December 31, 1996, Summit Investors II, L.P. was the record owner of 23,382 shares of Common Stock. As of December 31, 1996, Summit Subordinated Debt Fund, L.P. was the record holder of 163,674 shares of common stock. The shares held of record by Summit Ventures III, L.P., Summit Investors II, L.P. and Summit Subordinated Debt Fund, L.P. are referred to herein collectively as the "Record Shares". By virtue of the affiliate relationships among the Entities, each Entity may be deemed to own beneficially all of the Record Shares. Hence, each Entity may be deemed to own beneficially 1,169,076 shares of Common Stock. In their capacities as individual general partners of Stamps, Woodsum & Co. III and Summit Investors II, L.P., each of Messrs. Stamps, Woodsum, Avis, Mannion, Genest, Jacquet, Page 18 of 35 Pages Evans, Roberts and Kortschak may be deemed to own beneficially 1,169,076 shares of Common Stock. (b) Percent of Class: Summit Ventures III, L.P.: 15.0% Summit Partners III, L.P.: 15.0% Summit Investors II, L.P.: 15.0% Summit Subordinated Debt Fund, L.P.: 15.0% Summit Partners SD, L.P.: 15.0% Stamps, Woodsum & Co. III: 15.0% E. Roe Stamps, IV: 15.0% Stephen G. Woodsum: 15.0% Gregory M. Avis: 15.0% Martin J. Mannion: 15.0% John A. Genest: 15.0% Ernest K. Jacquet: 15.0% Bruce R. Evans: 15.0% Walter G. Kortschak: 15.0% Thomas S. Roberts: 15.0% The foregoing percentages are calculated based on the 7,798,548 shares of Common Stock reported to be outstanding at October 31, 1996 in a quarterly report on Form 10-Q for AMX Corporation for the quarter ended September 30, 1996. (c) Number of shares as to which such person has: (i) sole power to vote or to direct the vote: 0 shares for each reporting person (ii) shared power to vote or to direct the vote: Summit Ventures III, L.P.: 1,169,076 shares Summit Partners III, L.P.: 1,169,076 shares Summit Investors II, L.P.: 1,169,076 shares Summit Subordinated Debt Fund, L.P.: 1,169,076 shares Summit Partners SD, L.P.: 1,169,076 shares Stamps, Woodsum & Co. III: 1,169,076 shares E. Roe Stamps, IV: 1,169,076 shares Stephen G. Woodsum: 1,169,076 shares Gregory M. Avis: 1,169,076 shares Martin J. Mannion: 1,169,076 shares John A. Genest: 1,169,076 shares Ernest K. Jacquet: 1,169,076 shares Page 19 of 35 Pages Bruce R. Evans: 1,169,076 shares Walter G. Kortschak: 1,169,076 shares Thomas S. Roberts: 1,169,076 shares (iii) sole power to dispose or direct the disposition of: 0 shares for each reporting person (iv) shared power to dispose or direct the disposition of: Summit Ventures III, L.P.: 1,169,076 shares Summit Partners III, L.P.: 1,169,076 shares Summit Investors II, L.P.: 1,169,076 shares Summit Subordinated Debt Fund, L.P.: 1,169,076 shares Summit Partners SD, L.P.: 1,169,076 shares Stamps, Woodsum & Co. III: 1,169,076 shares E. Roe Stamps, IV: 1,169,076 shares Stephen G. Woodsum: 1,169,076 shares Gregory M. Avis: 1,169,076 shares Martin J. Mannion: 1,169,076 shares John A. Genest: 1,169,076 shares Ernest K. Jacquet: 1,169,076 shares Bruce R. Evans: 1,169,076 shares Walter G. Kortschak: 1,169,076 shares Thomas S. Roberts: 1,169,076 shares Each of the reporting persons expressly disclaims beneficial ownership of any shares of Common Stock of AMX Corporation except in the case of Summit Ventures III, L.P., for the 982,020 shares which it holds of record, in the case of Summit Investors II, L.P., for the 23,382 shares which it holds of record and in the case of Summit Subordinated Debt Fund, L.P., for the 163,674 shares which it holds of record. Item 5. Ownership of Five Percent or Less of a Class. Not Applicable. Item 6. Ownership of More than Five Percent on Behalf of Another Person. Not Applicable. Item 7. Identification and Classification of the Subsidiary which Acquired the Security Being Reported on By the Parent Holding Company. Not Applicable. Item 8. Identification and Classification of Members of the Group. Page 20 of 35 Pages Not Applicable. The reporting persons expressly disclaim membership in a "group" as defined in Rule 13d-1(b)(ii)(H). Item 9. Notice of Dissolution of Group. Not Applicable. Item 10. Certification. Not Applicable. This statement on Schedule 13G is not filed pursuant to Rule 13d-1(b). Page 21 of 35 Pages SIGNATURES After reasonable inquiry and to the best of our knowledge and belief, we certify that the information set forth in this statement is true, complete and correct. We also hereby agree to file this statement jointly pursuant to the Agreement listed on Exhibit 1 hereto. Dated: February 14, 1997 SUMMIT VENTURES III, L.P. SUMMIT INVESTORS II, L.P. By: Summit Partners III, L.P. By: /s/ John A. Genest -------------------------- General Partner By: Stamps, Woodsum & Co. III By: * SUMMIT PARTNERS III, L.P. ------------------------ E. Roe Stamps, IV General Partner By: Stamps, Woodsum & Co. III By: * --------------------- SUMMIT SUBORDINATED DEBT E. Roe Stamps, IV FUND, L.P. General Partner By: Summit Partners SD, L.P. SUMMIT PARTNERS SD, L.P. By: Stamps, Woodsum & Co. III By: Stamps, Woodsum & Co. III By: * --------------------- E. Roe Stamps, IV By: * General Partner ------------------------ E. Roe Stamps, IV General Partner STAMPS, WOODSUM & CO. III By: * ------------------------ E. Roe Stamps, IV By: * ---------------------- E. Roe Stamps, IV By: * General Partner ------------------------ Stephen G. Woodsum By: * ------------------------ Martin J. Mannion Page 22 of 35 Pages By: /s/ John A. Genest By: * ---------------------- ------------------------ John A. Genest Bruce R. Evans By: * By: * ---------------------- ------------------------ Gregory M. Avis Walter G. Kortschak By: * By: * ---------------------- ------------------------ Ernest K. Jacquet Thomas S. Roberts * By: /s/ John A. Genest --------------------- John A. Genest Attorney-in-Fact *Pursuant to Powers of Attorney on file with the Commission, which Powers of Attorney are incorporated herein by reference. Copies of such Powers of Attorney are attached hereto as Exhibit 2. Page 23 of 35 Pages Exhibit 1 AGREEMENT Pursuant to Rule 13d-1(f)(1) under the Securities Exchange Act of 1934, the undersigned hereby agree that only one statement containing the information required by Schedule 13G need be filed with respect to the ownership by each of the undersigned of shares of Common Stock of AMX Corporation. This agreement may be executed in any number of counterparts, each of which shall be deemed an original. EXECUTED this 14th day of February, 1997. SUMMIT VENTURES III, L.P. SUMMIT INVESTORS II, L.P. By: Summit Partners III, L.P. By: /s/ John A. Genest ------------------------- General Partner By: Stamps, Woodsum & Co. III By: * SUMMIT PARTNERS III, L.P. ----------------------- E. Roe Stamps, IV General Partner By: Stamps, Woodsum & Co. III By: * --------------------- SUMMIT SUBORDINATED DEBT E. Roe Stamps, IV FUND, L.P. General Partner By: Summit Partners SD, L.P. SUMMIT PARTNERS SD, L.P. By: Stamps, Woodsum & Co. III By: Stamps, Woodsum & Co. III By: * By: * ------------------------ ------------------- E. Roe Stamps, IV E. Roe Stamps, IV General Partner General Partner STAMPS, WOODSUM & CO. III By: * ------------------------- E. Roe Stamps By: * By: * ------------------------- ------------------------- E. Roe Stamps, IV Stephen G. Woodsum General Partner Page 24 of 35 Pages By: /s/ John A. Genest By: * ------------------------- ------------------------- John A. Genest Martin J. Mannion By: * By: * ------------------------- ------------------------- Gregory M. Avis Bruce R. Evans By: * By: * ------------------------- ------------------------- Ernest K. Jacquet Walter G. Kortschak By: * ------------------------- Thomas S. Roberts * By: /s/ John A. Genest ------------------------- John A. Genest Attorney-in-Fact * Pursuant to Powers of Attorney on file with the Commission, which Powers of Attorney are incorporated herein by reference. Copies of such Powers of Attorney are attached hereto as Exhibit 2. Page 25 of 35 Pages Exhibit 2 --------- POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, that each person whose signature appears below hereby constitutes and appoints each and any of E. Roe Stamps, IV, Stephen G. Woodsum and John A. Genest his true and lawful attorney-in-fact and agent, with full power of substitution and resubstitution, for him and in his name, place and stead, in any and all capacities (until revoked in writing) to sign any and all instruments, certificates and documents required to be executed on behalf of himself individually or on behalf of each or any of Summit Ventures, L.P., Summit Partners, L.P., Stamps, Woodsum & Co., Summit Partners' Holdings, L.P., Summit Ventures II, L.P., Summit Partners II, L.P., Stamps, Woodsum & Co. II, SV Eurofund C.V., SV International, L.P., Stamps, Woodsum International & Co., Summit Investors, L.P., Summit Investors II, L.P., Summit Investors III, L.P., Summit Ventures III, L.P., Summit Partners III, L.P., Stamps, Woodsum & Co. III, Summit Ventures IV, L.P., Summit Partners IV, L.P., Stamps, Woodsum & Co., IV, Summit Subordinated Debt Fund, L.P., Summit Partners SD, L.P., SW Management Corp., Summit Management Co., Summit Subordinated Debt Fund II, L.P., and Summit Partners SD II, LLC, pursuant to sections 13 and 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), and any and all regulations promulgated thereunder, and to file the same, with all exhibits thereto, and any other documents in connection therewith, with the Securities and Exchange Commission, and with any other entity when and if such is mandated by the Exchange Act or by the By-laws of the National Association of Securities Dealers, granting unto said attorney-in-fact and agent full power and authority to do and perform each and every act and thing requisite and necessary fully to all intents and purposes as she might or could do in person thereby ratifying and confirming all that said attorney-in-fact and agent, or her substitute or substitutes, may lawfully do or cause to be done by virtue hereof. Page 26 of 35 Pages IN WITNESS WHEREOF, this Power of Attorney has been signed as of the 10th day of February, 1997. /s/ E. Roe Stamps, IV ----------------------------------- E. Roe Stamps, IV Commonwealth of Massachusetts ) ) ss: County of Suffolk ) On this 10th day of February, 1997, before me personally came E. Roe Stamps, IV known to me to be the person described and who executed the foregoing instrument that he acknowledged that he executed the same. [Notary Seal] /s/ Cynthia R. Freedman _________________________________ Notary Public October 20, 2000 _________________________________ My Comission expires: Page 27 of 35 Pages IN WITNESS WHEREOF, this Power of Attorney has been signed as of the 10th day of February, 1997. /s/ Stephen G. Woodsum ----------------------------------- Stephen G. Woodsum Commonwealth of Massachusetts ) ) ss: County of Suffolk ) On this 10th day of February, 1997, before me personally came Stephen G. Woodsum known to me to be the person described and who executed the foregoing instrument that he acknowledged that he executed the same. [Notary Seal] /s/ Cynthia R. Freedman _________________________________ Notary Public October 20, 2000 _________________________________ My Comission expires: Page 28 of 35 Pages IN WITNESS WHEREOF, this Power of Attorney has been signed as of the 10th day of February, 1997. /s/ Martin J. Mannion ----------------------------------- Martin J. Mannion Commonwealth of Massachusetts ) ) ss: County of Suffolk ) On this 10th day of February, 1997, before me personally came Martin J. Mannion known to me to be the person described and who executed the foregoing instrument that he acknowledged that he executed the same. [Notary Seal] /s/ Cynthia R. Freedman _________________________________ Notary Public October 20, 2000 _________________________________ My Comission expires: Page 29 of 35 Pages IN WITNESS WHEREOF, this Power of Attorney has been signed as of the 10th day of February, 1997. /s/ John A. Genest ----------------------------------- John A. Genest Commonwealth of Massachusetts ) ) ss: County of Suffolk ) On this 10th day of February, 1997, before me personally came John A. Genest known to me to be the person described and who executed the foregoing instrument that he acknowledged that he executed the same. [Notary Seal] /s/ Cynthia R. Freedman _________________________________ Notary Public October 20, 2000 _________________________________ My Comission expires: Page 30 of 35 Pages IN WITNESS WHEREOF, this Power of Attorney has been signed as of the 3rd day of February, 1997. /s/ Gregory M. Avis ----------------------------------- Gregory M. Avis State of California ) ) ss: County of Santa Clara ) On this 3rd day of February, 1997, before me personally came Gregory M. Avis known to me to be the person described and who executed the foregoing instrument that he acknowledged that he executed the same. [Notary Seal] /s/ Katherine C. Ely _________________________________ Notary Public May 28, 2000 _________________________________ My Comission expires: Page 31 of 35 Pages IN WITNESS WHEREOF, this Power of Attorney has been signed as of the 10th day of February, 1997. /s/ Ernest K. Jacquet ----------------------------------- Ernest K. Jacquet Commonwealth of Massachusetts ) ) ss: County of Suffolk ) On this 10th day of February, 1997, before me personally came Ernest K. Jacquet known to me to be the person described and who executed the foregoing instrument that he acknowledged that he executed the same. [Notary Seal] /s/ Cynthia R. Freedman _________________________________ Notary Public October 20, 2000 _________________________________ My Comission expires: Page 32 of 35 Pages IN WITNESS WHEREOF, this Power of Attorney has been signed as of the 10th day of February, 1997. /s/ Bruce R. Evans ----------------------------------- Bruce R. Evans Commonwealth of Massachusetts ) ) ss: County of Suffolk ) On this 10th day of February, 1997, before me personally came Bruce R. Evans known to me to be the person described and who executed the foregoing instrument that he acknowledged that he executed the same. [Notary Seal] /s/ Cynthia R. Freedman _________________________________ Notary Public October 20, 2000 _________________________________ My Comission expires: Page 33 of 35 Pages IN WITNESS WHEREOF, this Power of Attorney has been signed as of the 10th day of February, 1997. /s/ Thomas S. Roberts ----------------------------------- Thomas S. Roberts Commonwealth of Massachusetts ) ) ss: County of Suffolk ) On this 10th day of February, 1997, before me personally came Thomas S. Roberts known to me to be the person described and who executed the foregoing instrument that he acknowledged that he executed the same. [Notary Seal] /s/ Cynthia R. Freedman _________________________________ Notary Public October 20. 2000 _________________________________ My Comission expires: Page 34 of 35 Pages IN WITNESS WHEREOF, this Power of Attorney has been signed as of the 3rd day of February, 1997. /s/ Walter G. Kortschak ----------------------------------- Walter G. Kortschak State of California ) ) ss: County of Santa Clara ) On this 3rd day of February, 1997, before me personally came Walter G. Kortschak known to me to be the person described and who executed the foregoing instrument that he acknowledged that he executed the same. [Notary Seal] /s/ Katherine C. Ely _________________________________ Notary Public May 28, 2000 _________________________________ My Comission expires: Page 35 of 35 Pages -----END PRIVACY-ENHANCED MESSAGE-----