QG7-SL2810-001-03CABLE MODEM

Cable Modem SL2810 User’s Manual Request technical support if: • The modem does not function following sudden impact • Substances such as water went into the MODEM causing malfunction • There is noticeable diffe rence in basic functions • The modem does not operate properly for other unknown factors Contents of this manual may be changed without prior notice to improve product quality . G G e e t t t t i i n n g g s s t t a a r r t t e e d d 1 1 . . C C h h e e c c k k p p a a c c k k a a g g e e c c o o n n t t e e n n t t s s SuperLink 2810 DOCSIS Certified Cable MODEM AC Adapter RJ45 Cable (Ethernet Cable) User’s Manual 2 2 . . C C h h e e c c k k s s t t a a t t u u s s SuperLink 2810 DOCSIS 2.0 Certifi ed Cable MODEM has five different LEDs.When installing or using the modem , you can refer to the LED lights to check the status. FCC Compliance Statement Caution : Any changes or modifications in c onstruction of this device which are not expressly approved by the parry res ponsible for compliance could void the user’s authority to operate the equipment. Note : This equipment has been tested and found to comply with the limits for a Class B Digital device, pursuant to par t 15 of the FCC Rues. These limits are designed to provide reasonable Protecti on against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and if not installed and used in accordance With the instructions, may cause harmful inte rference to radio communications, however, there is no guarantee that interf erence will not occur in a particular installation. If this equipment does caus e harmful interference to radio or television reception, which can be deter mined by timing the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following Measures : - Reorient or relocate the receiving antenna. - Increase the separation betw een the equipment and receiver. - Connect the equipment into an outlet on a circ uit different from that to which the receiver is connected. - Consult the dealer of an experienc ed radio/TV technician for help. Modem is connected to PC through LAN On LINK configuration is complete On Receiving mail (optional item) On MAIL Data transmission is in progress On DATA LINE Data is being transmitted between PC & d Blinking LAN Modem is connected to power On PWR Status Mode Nam e S S u u p p e e r r L L i i n n k k 2 2 8 8 1 1 0 0 I I n n s s t t a a l l l l a a t t i i o o n n 1. Connect the CATV cable connector to Super Link 2810’s RF terminal. 2. Connect the other end of CATV cable connector to the external terminal of CATV. 3. Connect your PC’s RJ- 45 port to Super Link 2810 using the RJ-45 cable. 4. Turn on the PC and plug the AC adapter to the electrical outlet. This should turn the MODEM on. 5. Check that the PWR, LAN, DATA, and LI NE LED is on, and you are ready to start your high-speed date transfers. Please r ead over the LED status key on the first chapter for more Information. 6. Run WINIPCFG to check present network interface card’s IP address, then click “Release” and ”Renew”. The installation is complete! S S p p e e c c i i f f i i c c a a t t i i o o n n s s Super Link 2810 is MCNS DOCSIS 2.0 standard compliant Dow n stream • Data Rate : 30.34 Mbps (64QAM) / 42.88 Mbps(256QAM) • Symbol rate : 5.056941 Msym/sec(64QAM) 5.360537 Msym/sec(256QAM) • Modulation : 64QAM / 256QAM • Bandwidth : 6MHz • Frequency Range : 88MHz to 860 MHz (edge-to-edge) in 62.5Khz s t eps • Input signal level : -15 dBmv~+15dBmV • Input Impedance : 75 ohms, nominal • Ripple Loss : > 6dB from 88MHz to 860 Mhz Upstream • Data rate : 160,320,640,1280,2560 ksym/sec • Modulation : QPSK / 16QAM • Bandwidth : 200,400,800,1600,3200KHz • Frequency range : 5 to 42 MHz (edge-to-edge) in 1Hz steps • Output signal level : 8 dBmV to 58 dBmV (QPSK) 8 dBmV to 55 dBmV (16QPSK) Input DC Pow e r • AC adapter input : AC 110 / (50Hz ~60Hz) • Cable Modem input : DC 9V/1.2A • Power consumption : Max10W Phy s ical Characteristics • Dimension : 150(W) X 150(D)X 34(H) mm • Weight : 1.1 lbs Suitable Env i ronment • Temperature while in use: 32~104°F (0~40°C ) while in storage: 4~176°F (-20~80 °C) • Humidity : 10~90%, non-condensing T T r r o o u u b b l l e e s s h h o o o o t t i i n n g g * * C C a a r r i i n n g g f f o o r r t t h h e e M M O O D D E E M M • Disconnect the power plug during cleaning or handling. • Use a dry towel instead of a spray cleaner. • Do not place anything in the m odem through the air-ventilation hole. • Touching the power unit can damage the modem and be a fire hazard • To prevent the MODEM from bei ng damaged during a thunderstorm, disconnect the power plug and coaxial cable in stormy weather and when you will be away on an extended vacation. * * T T e e c c h h n n i i c c a a l l s s u u p p p p o o r r t t • If you encounter problems when using the MODEM, do not attempt disassemble and try to reassemble, repair and/or remodel it yourself. Taking the cover off can expose the MODEM to dangerous voltage or other damaging factors. • Contact our technical support center at +82-2-2142-3000 or use the Q&A section of our website at http://www.joohong.co.kr

JOOHONG Information & Communications Ltd. Cable Modem Block Diagram of SL-2810 TNETC 4401 Ethernet Reset SDRAM USB (Option) UART EJTAG (Option) Tuner EM_A EM_D FLASH_CS FLASH_RD MIIA_RD MIIA_TD EM_D EM_A EM_SDCLK (125MHz) SDRAM_CS SDRAM_RAS SDRAM_CAS SDRAM_WE EM_SDCKE1 EM_DQM USB_DN USB_DP UART_TD UART_RD EJTAG_TCK EJTAG_TDI EJTAG_TMS EJTAG_TRST EJTAG_TDO MAIN processor 4M * 16 US_Data (5~42MHz) EM_BAS RJ-45 U11 U7 U16 JP3 JP1 J2 U9 JP2 100 MHz Pin 2,3 Pin 197,198 Pin 16,18 Pin 1,2 Pin 17,18 Pin 165 Pin 46 Pin 120 Pin 38 U14 Flash 1M * 16 bit CLK_25MHz TDRD CLK_25MHz U22 DS_Data (88~865MHz) SCL SDA RESET JOOHONG Information and Communications Ltd. 14F, IT Venture Tower East Wing, 78 Karak-Dong, Songpa-Gu, Seoul, 138-160, South Korea Tel 82. 2. 2142. 3000 Fax 82. 2. 2142. 3100 http://www.joohong.co.kr JOOHONGAmerica, Inc. 3003 North 1 st street, San Jose, California, CA95014, USA Tel. 1.408.232.5485 Fax. 1.408.232.5486 1

Test report Our reference : KEL02-F10027 Page : B1 of Appendix Issued date : 2003-10-30 Korea EMC Laboratory Appendix-B : External Photographs of E.U.T <FRONT VIEW OF EUT> <REAR VIEW OF EUT>

Test report Our reference : KEL02-F10027 Page : D1 of Appendix Issued date : 2003-10-30 Korea EMC Laboratory Appendix-D : FCC ID label location information and Sample - FCC ID label location information The label included following statement will be attached on the bottom side of product. - FCC ID label sample

Test report Our reference : KEL02-F10027 Page : C1 of Appendix Issued date : 2003-10-30 Korea EMC Laboratory Appendix-C : Internal Photographs of E.U.T <INTERNAL VIEW OF E.U.T> Test report Our reference : KEL02-F10027 Page : C2 of Appendix Issued date : 2003-10-30 Korea EMC Laboratory <FRONT VIEW OF MAIN BOARD> Test report Our reference : KEL02-F10027 Page : C3 of Appendix Issued date : 2003-10-30 Korea EMC Laboratory <REAR VIEW OF MAIN BOARD> Test report Our reference : KEL02-F10027 Page : C4 of Appendix Issued date : 2003-10-30 Korea EMC Laboratory <FRONT VIEW OF HDD> Test report Our reference : KEL02-F10027 Page : C5 of Appendix Issued date : 2003-10-30 Korea EMC Laboratory <REAR VIEW OF HDD>

CERTIFICATE OF COMPLIANCE 352 Youngduk-Ri, Kihung-Eup, Yongin-City, Kyunggi-Do, Korea 449-908 TEL : (82)31-206-4693 FAX : (82)31-206-3051 http://www.kesilab.com [email protected] http://www.koreaemc.co.kr [email protected] (CLASS B) CERTIFICATION OF COMPLIANCE is hereby issued to the named Applicant and is VALID ONLY for the equipment identified below: Date of Tested : Oct. 29. 2003 Applicant’s Name : JOOHONG Information & Communications Ltd. Applicant’s Address : 14F, IT Venture Tower East Wing, 78 Karak-Dong, Songpa-Gu, Seoul, Korea (138-016) Manufacturer’s Name : JOOHONG Information & Communications Ltd. Manufacturer’s Address : 14F, IT Venture Tower East Wing, 78 Karak-Dong, Songpa-Gu, Seoul, Korea (138-016) Declares that the product Product Description : Cable Modem Brand Name : JOOHONG Model Number : SL-2810 FCC ID : QG7-SL2810-001-03 Conforms to FCC Rules and Regulations Part 15 Subpart B requirements. This product herewith complies with the requirements of the FCC Rules and Regulations as listed below: Part 15.107: Conducted Emissions. Part 15.109: Radiated Spurious Emissions. TESTED and CERTIFIED by: KOREA EMC LABORATORY 352 Youngduk-Ri, Kihung-Eup, Yongin-Si, Kyunggi-Do, 449-908, KOREA Date : Oct. 30. 2003 Report No : KEL02-F10027 Authorized Signature : M. S. CHO / President Test report Our reference : KEL02-F10027 Page : 2 of 13 Issued date : 2003-10-30 Korea EMC Laboratory TABLE OF CONTENTS DESCRIPTION Page 0. VERIFICATION OF COMPLIANCE 3 1. GENERAL INFORMATION 1.1 Product Description 4 1.2 Related Submittal(s)/Grant(s) 4 1.3 Tested System Details 4 1.4 System Configuration 4 1.5 General Setup of the test Shield room 5 1.6 Test Facility 5 2. Measurement Procedure 2.1 System test configuration 6 2.1.1 Video mode Justification 6 2.1.2 EUT Exercise S/W 6 2.2 Special Accessories 6 2.3 Equipment Modification 6 2.4 Connected Cable 6 2.5 System Configuration Diagram 6 2.6 Preliminary testing 7 2.7 Shielded Enclosure 7 2.8 Data Reporting Format 7 2.9 Operating Condition 7 2.10 Conditioning of the EUT 7 2.11 Power Line Conducted Emissions 8 2.12 Open field Radiated Emissions Tests 8 3. Measurement Data 3.1 Conducted Emission Data 9 3.2 Conducted Emission Graph 10 3.3 Radiated Emission Data 11 3.4 Summary 12 4. Labeling Requirement 13 Appendix - A : Test set-up Photographs (Conducted and Radiated) - B : External Photographs of E.U.T - C : Internal Photographs of E.U.T - D : FCC ID label location information and sample - E : Block Diagram - F : User’s Manual Test report Our reference : KEL02-F10027 Page : 3 of 13 Issued date : 2003-10-30 Korea EMC Laboratory 0 . VERIFICATION OF COMPLIANCE Equipment Under Test : Cable Modem Model Number : SL-2810 Serial Number : Prototype Manufacturer : JOOHONG Information & Communications Ltd. 14F, IT Venture Tower East Wing, 78 Karak-Dong, Songpa-Gu, Seoul, Korea (138-016) Type of Test : FCC CLASS B Report Number : KEL02-F10027 Date Tested : Oct. 29. 2003 Tested By : S. J. LEE The results show that the sample equipment tested as described in this reports is in compliance with the CLASS B conducted and radiated emission limits of FCC Rules Part 15, Subpart B. Test report Our reference : KEL02-F10027 Page : 4 of 13 Issued date : 2003-10-30 Korea EMC Laboratory 1. GENERAL INFORMATION 1.1 PRODUCT DESCRIPTION The SL-2810 is a Cable Modem made by JOOHONG Information & Communications Ltd. in Korea. Refer to the user's manual for more information. ITEM SPECIFICATION DOWNSTREAM UPSTREAM Frequency Range 88 MHz to 860 MHz (edge-to-edge) in 62.5 kHz steps 5 to 42 MHz (edge-to-edge) in 1 Hz steps Data Rate 30.34 Mbps (64QAM) 42.88 Mbps(256QAM) 160,320,640,1280,2560 ksym/sec Modulation 64QAM / 256QAM QPSK / 16QAM Power DC 9 V/1.2 A Dimension 150(W) X 150(D) X 34(H) mm 1.2 Related Submittal(s)/Grant(s) N/A 1.3 Tested System Details Type Model Name FCC ID Serial NO Manufacturer Cable Modem SL-2810 QG7-SL2810-001-03 Prototype JOOHONG Information & Communications Ltd. Adapter SJ-09120U Verification NONE Seung Jin Electronics Co., Ltd. Desk Book TGIC-NP2400PA DoC NP2400PA3070014 SAMBO Adapter ADP-150BB B Verification VBT0317010252 Delta Electronics Inc. Printer 2225C DSI6XU2225 3119S96116 HP Adapter 0912-TY Verification NONE HANSUNG Speaker TGX-100 - NONE SAMBO MIC RM-1000 - NONE HANIL USB Mouse U813I-O DoC K020803612 HP Serial Mouse MT-900 DoC NONE HANIL Mouse NetScroll+ DoC CE0503602405 KYE Systems Corp. 1.3.1 Operated System Type Model Name FCC ID Serial NO Manufacturer CMTS Cisco uBR7223 - 3872B884 Cisco System, Inc. Converter DUAL4040 - NONE WareCom Electronics Inc. ATT I ATT-10dB - NONE TAEWHA TELECOM ATT IV ATT-10dB - NONE TAEWHA TELECOM ATT II VSSA-42 - NONE Viewsonics Inc. ATT III VSSA-42 - NONE Viewsonics Inc. 2-Way Distributor SFK2 - NONE AJIN * CMTS which can operate Cable Modem was equipped out of testing room. 1.4 System Configuration Type Model Name Serial NO Manufacturer Remark MAIN B/D SL2810C NONE JOOHONG Information & Communications Ltd. Korea Test report Our reference : KEL02-F10027 Page : 5 of 13 Issued date : 2003-10-30 Korea EMC Laboratory 1.5 General Set-up of the Test Shielded Room The EUT was set up in accordance with the suggested configuration given in FCC measurement Procedure ANSI C63.4 2000. The measurement are performed in the shielded room which dimension is 3.0*7.0*2.5(m). The EUT was placed on a non conductive table which is 1.0*1.5(m), 80 cm above an earthed ground plane and is kept at least 1m from any other earthed ground plane except the rear of table top being removed 40 cm from a vertical conducting plane. Power to the EUT was provided through the LISN(NSLK8128, SCHWARZBECK) which has the Impedance vs Frequency Characteristic in accordance with the conducted setup photographs in Appendix-A Impedance Characteristic of LISN. Peripheral equipment required to provide a functional system(support equipment) for EUT testing was powered through another LISN(KNW-407, KYORITSU). Power to the LISN was filtered to eliminate ambient…

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Test report Our reference : KEL02-F10027 Page : A1 of Appendix Issued date : 2003-10-30 Korea EMC Laboratory Appendix-A : Test Setup Photographs - Conducted Setup Photographs LINE CONDUCTED SETUP PHOTOGRAPH - FRONT VIEW LINE CONDUCTED SETUP PHOTOGRAPH - REAR VIEW Test report Our reference : KEL02-F10027 Page : A2 of Appendix Issued date : 2003-10-30 - Radiated Setup Photograph RADIATED EMISSION SETUP PHOTOGRAPH - FRONT VIEW ( 30 - 300 MHz ) RADIATED EMISSION SETUP PHOTOGRAPH - REAR VIEW ( 30 - 300 MHz ) Test report Our reference : KEL02-F10027 Page : A3 of Appendix Issued date : 2003-10-30 Korea EMC Laboratory RADIATED EMISSION SETUP PHOTOGRAPH - FRONT VIEW ( 300- 1000 MHz ) RADIATED EMISSION SETUP PHOTOGRAPH - REAR VIEW ( 300 - 1000 MHz )