L4OWSAD15USECentillium Optimizer USB ADSL Modem

EXHIBIT C User Manual

EXHIBIT E Block Diagram

LABEL Format: This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) This device must accept any interference received, including interference that may cause undesired operation Model No.:WS-AD15USE FCC ID:L4OWSAD15USE LABEL Size: 49 X 39 mm LABEL Position:

List of Exhibit EXHIBIT A Sample Label EXHIBIT B Test Report EXHIBIT C User Manual EXHIBIT D Circuit Diagram EXHIBIT E Block Diagram EXHIBIT F Photographs of EUT EXHIBIT A Sample Label LABEL Format: This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) This device must accept any interference received, including interference that may cause undesired operation Model No.:WS-AD15USE FCC ID:L4OWSAD15USE LABEL Size: 49 X 39 mm LABEL Position:

EXHIBIT F Photographs of EUT

EXHIBIT D Circuit Diagram

EXHIBIT B Test Report Test Report ------------------------------------------------------------------------------------------------------------- 2/14 Report No.: C0915217, Centillium Optimizer USB ADSL Modem, FCC Part 15, Class B Test date: 02/16/2000, Training Research Co., Ltd., TEL: 886-2-26935155, Fax: 886-2-26934440 Contents Chapter 1 Introduction Description of EUT.....................................................................................................................3 Configuration of Test Setup.........................................................................................................4 List of Support Equipment...........................................................................................................5 Chapter 2 Conducted Emission Test Test Condition and Setup............................................................................................................7 Conducted Test Placement..........................................................................................................8 Chapter 3 Radiated Emission Test Test Condition and Setup............................................................................................................9 Radiated Test Placement............................................................................................................10 Appendix A: Conducted test result..................................................................................................................11 Appendix B: Radiated test result.....................................................................................................................12 Appendix C: List of Modifications...................................................................................................................14 Test Report ------------------------------------------------------------------------------------------------------------- 3/14 Report No.: C0915217, Centillium Optimizer USB ADSL Modem, FCC Part 15, Class B Test date: 02/16/2000, Training Research Co., Ltd., TEL: 886-2-26935155, Fax: 886-2-26934440 Chapter 1Introduction Description of EUT: This ADSL modem is a data communication device. It is designed to connect with the USB port of personal computer and makes your data equipment available to transmit and receive data via the public telephone network. Connections of EUT: (1) The USB port of EUT is connected with the USB A port of PC. (2) The line jack of EUT is connected with a line cable to the ADSL simulator located remotely. (3) The phone jack of EUT is connected with a telephone set. Test method: Pretest was found that the emission of operating mode is worse than standby mode. So, The final test is made at the operating mode. During testing, the EUT was operated at “transmitting” and “receiving” mode simultaneously. While testing, the transmitting rate was set to “AUTO” which means it transmitted the test file depending on the telephone line condition, normally the operating rate is the highest speed. The test placement as the photographs showed is the worst case emission placed. (If the emission is close to the ambient, the resolution BW and view resolution will be reduced and the data will be recorded by detection of maximum hold peak mode.) The testing configuration of test setup is showing in the next page. Test Report ------------------------------------------------------------------------------------------------------------- 4/14 Report No.: C0915217, Centillium Optimizer USB ADSL Modem, FCC Part 15, Class B Test date: 02/16/2000, Training Research Co., Ltd., TEL: 886-2-26935155, Fax: 886-2-26934440 Configuration of test setup Connections: PC :*Serial port --- via a 76cm shielded RS-232 cable to an external modem *Printer port --- a printer with 1.2m length data cable *Keyboard port --- a keyboard with 1m length data cable *Mouse port --- a mouse with 1m length data cable *Monitor port --- a monitor with 0.7m long of data cable *USB port A --- EUT *USB port B --- a joystick with 1.5m long, shielded and no ferrite bead data cable (Each port on PC is connected with suitable device) EUT :*Line Jack --- via a 15m long, non-shielded, no ferrite bead, RJ14C cable to the ADSL simulator located remotely *Phone Jack --- via a 1.8m long, non-shielded, no ferrite bead, RJ14C cable to the telephone set *USB Port --- via a 1.8m long, shielded, no ferrite bead, USB cable to the USB A port of PC EUT USB Joystick MouseKeyboard Telephone Set Monitor Modem Printer PC To Far-end ADSL Simulator Power Test Report ------------------------------------------------------------------------------------------------------------- 5/14 Report No.: C0915217, Centillium Optimizer USB ADSL Modem, FCC Part 15, Class B Test date: 02/16/2000, Training Research Co., Ltd., TEL: 886-2-26935155, Fax: 886-2-26934440 List of support equipment Conducted (Radiated) test: PC :HP Brio 85xx 6/350 Model No.:VE6/350 SERIES 8 Serial No. :SG91801432 (SG91002329) FCC ID:N/A (DOC Approved) :3872H013 Power type:100 ~ 230VAC / 50 ~ 60Hz, 5A, Switching Power cord :Non-shielded, 2.33m long, Plastic, No ferrite core Monitor :HP 15’ Color Monitor Model No.:D2827A Serial No.:KR91161719 (KR91161717) FCC ID:C5F7NFCMC1518X :3872B039 Power type:110 ~ 240 VAC / 50 ~ 60 Hz, Switching Power cord:Shielded, 1.83m long, No ferrite core Data cable :Shielded, 1.46m long, with two ferrite cores Keyboard:HP Model No.:SK-2501K Serial No.:MR80700789 (M990308909) FCC ID:GYUR38SK :3862A621 Power type:By PC Data cable :Shielded, 1.73m long, with ferrite core Mouse:HP Model No.:M-S34 Serial No.:LZB90714106 (LZB90714122) FCC ID:DZL211029 :4862A011 Power type:By PC Power cord:Non-shielded, 1.88m long, No ferrite core Test Report ------------------------------------------------------------------------------------------------------------- 6/14 Report No.: C0915217, Centillium Optimizer USB ADSL Modem, FCC Part 15, Class B Test date: 02/16/2000, Training Research Co., Ltd., TEL: 886-2…

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