MQ4UH400CUSB Hub 4-Port Adaptor

Safety & Compliance Consulting 29 Sweetman Lane West Milford, NJ 07480-2932 Tel/Fax (973) 728-5141 July 31, 2000 QTK2000-F029 731 Confirmation Number: 13EA98341 Federal Communications Commission Equipment Approval Services P.O. Box 358315 Pittsburgh, PA 15251-5315 Subject:Original Application for Certification of Class B Computing Peripheral FCC ID: MQ4UH400C / USB 4-Hub Port, Model UH400C Gentlemen: Enclosed, please find Abocom Systems Inc.’s application for equipment authorization dated July 31, 2000. The subject device is in compliance with Part 15, Subpart B of the FCC Rules. This device is a Universal Serial Bus 4-Port Hub that enables easy plug and play between PC and four host USB devices. This devise uses USB hub controller, type TUSB2046 that operates at 6 MHz. Also, this device supports 1.5 and 12 Mbps data transfer speeds. This EUT was system tested with representative 12 Mbps high-speed communication setting. Tests were performed in accordance with ANSI C63.4-1992 to show compliance with CISPR-22 Class B limits. Should you have any questions or comments, please contact the undersigned. Thank you for your attention and cooperation in this matter. Sincerely yours, Richard Mullen Group Manager Safety & Compliance Consulting

QuieTek Corporation Page: 1 of 5 FCC Report No.: 005H047FI Accredited Lab. of NVLAP(NIST) NVLAP Lab. Code : 200347-0 EMC Test Laboratory Rev.1 Attachment 3 : EUT Detail Photographs (1) EUT Photo (2) EUT Photo QuieTek Corporation Page: 2 of 5 FCC Report No.: 005H047FI Accredited Lab. of NVLAP(NIST) NVLAP Lab. Code : 200347-0 EMC Test Laboratory Rev.1 (3) EUT Photo (4) EUT Photo QuieTek Corporation Page: 3 of 5 FCC Report No.: 005H047FI Accredited Lab. of NVLAP(NIST) NVLAP Lab. Code : 200347-0 EMC Test Laboratory Rev.1 (5) EUT Photo (6) EUT Photo QuieTek Corporation Page: 4 of 5 FCC Report No.: 005H047FI Accredited Lab. of NVLAP(NIST) NVLAP Lab. Code : 200347-0 EMC Test Laboratory Rev.1 (7) EUT Photo QuieTek Corporation Page: 5 of 5 FCC Report No.: 005H047FI Accredited Lab. of NVLAP(NIST) NVLAP Lab. Code : 200347-0 EMC Test Laboratory Rev.1 (8) EUT Photo

QuieTek Corporation Page: 1 of 16 FCC Report No.: 005H047FI Accredited Lab. of NVLAP(NIST) NVLAP Lab. Code : 200347-0 EMC Test Laboratory Rev.1 Test Report For Applicant : AboCom Systems, Inc. Equipment Type : USB HUB 4 PORT Model : UH400C FCC ID : MQ4UH400C Report No. : 005H047FI QuieTek Corporation Page: 2 of 16 FCC Report No.: 005H047FI Accredited Lab. of NVLAP(NIST) NVLAP Lab. Code : 200347-0 EMC Test Laboratory Rev.1 Test Report Certification QuieTek Corporation No.75-1, Wang-Yeh Valley, Yung-Hsing, Chiung-Lin, Hsin-Chu County, Taiwan, R.O.C. Tel : 886-3-592-8858, Fax: 886-3-592-8859 E-Mail : [email protected] Accredited by NIST(NVLAP), VCCI, BSMI, DNV, TUV Applicant : AboCom Systems, Inc. Address : 1F, No.21, R&D Road II, Science-Based Industrial Park, Hsin-Chu , Taiwan, R.O.C. Equipment Type : USB HUB 4 PORT Model : UH400C FCC ID. : MQ4UH400C Measurement Standard : CISPR 22/1985 Measurement Procedure : ANSI C63.4 /1992 Operation Voltage : DC 5V Classification : Class B Test Result : Complied Test Date : July 6, 2000 Report No. : 005H047FI The Test Results relate only to the samples tested. The test report shall not be reproduced except in full without the written approval of QuieTek Corporation. This report must not be used to claim product endorsement by NVLAP any agency of the U.S. Government Documented by: Zoe Lee Test Engineer: Warren Lin Approved: Kevin Wang QuieTek Corporation Page: 3 of 16 FCC Report No.: 005H047FI Accredited Lab. of NVLAP(NIST) NVLAP Lab. Code : 200347-0 EMC Test Laboratory Rev.1 TABLE OF CONTENTS Description Page 1. GENERAL INFORMATION.............................................................................................................4 1.1 EUT Description................................................................................................................................4 1.2 Tested System Details.........................................................................................................................5 1.3 EUT Configuration.............................................................................................................................8 1.4 EUT Exercise Software.......................................................................................................................8 1.5 Test performed...................................................................................................................................9 1.6 Test Facility....................................................................................................................................10 2. CONDUCTED EMISSION..............................................................................................................11 2.1 Test Equipment List..........................................................................................................................11 2.2 Test Setup.......................................................................................................................................11 2.3 Limits............................................................................................................................................11 2.4 Test Procedure.................................................................................................................................12 2.5 Test Results.....................................................................................................................................12 3. RADIATED EMISSION..................................................................................................................13 3.1 Test Equipment................................................................................................................................13 3.2 Test Setup.......................................................................................................................................13 3.3 Limits............................................................................................................................................14 3.4 Test Procedure.................................................................................................................................14 3.5 Test Results.....................................................................................................................................14 4. EMI REDUCTION METHOD DURING COMPLIANCE TESTING...................................................15 5. ATTACHMENT.............................................................................................................................16 ATTACHMENT 1: SUMMARY OF TEST RESULTS ATTACHMENT 2: EUT TEST PHOTOGRAPHS ATTACHMENT 3: EUT DETAILED PHOTOGRAPHS QuieTek Corporation Page: 4 of 16 FCC Report No.: 005H047FI Accredited Lab. of NVLAP(NIST) NVLAP Lab. Code : 200347-0 EMC Test Laboratory Rev.1 1. General Information 1.1 EUT Description Applicant : AboCom Systems, Inc. Address : 1F, No.21, R&D Road II, Science-Based Industrial Park, Hsin-Chu , Taiwan, R.O.C. Equipment Type : USB HUB 4 PORT Model : UH400C FCC ID : MQ4UH400C Operation Voltage : DC 5V USB Cable : Shielded, 1.4m, 1pc Power Adapter : 1pc Cable Out: Non-Shielded, 1.8m, 1pc Remark : 1. The EUT is a 4 ports USB HUB. 2. QuieTek had verified the construction and function in typical operation, then shown in this test report. QuieTek Corporation Page: 5 of 16 FCC Report No.: 005H047FI Accredited Lab. of NVLAP(NIST) NVLAP Lab. Code : 200347-0 EMC Test Laboratory Rev.1 1.2 Tested System Details The types for all equipment, plus descriptions of all cables used in the tested system (including inserted cards ) are: 1.2.1 USB HUB 4 PORT (EUT) Model Number :UH400C Serial Number :N/A FCC ID :MQ4UH400C Manufacturer :AboCom 1.2.2 Host Personal Computer Model Number : P2L97 Serial Number : 92M4Y03978 FCC ID : DoC Manufacturer : ASUS Power Cord : Non-Shielded, 1.8m 1.2.3 Monitor Model Number : CM752ET-311 Serial Number : T8D003312 FCC ID : DoC …

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QuieTek Corporation Page: 1 of 2 FCC Report No.: 005H047FI Accredited Lab. of NVLAP(NIST) NVLAP Lab. Code : 200347-0 EMC Test Laboratory Rev.1 Attachment 2: EUT Test Setup Photos Front View of Conducted Test Back View of Conducted Test QuieTek Corporation Page: 2 of 2 FCC Report No.: 005H047FI Accredited Lab. of NVLAP(NIST) NVLAP Lab. Code : 200347-0 EMC Test Laboratory Rev.1 Front View of Radiated Test Back View of Radiated Test