QB3CORECESS3311NSHDSL MODEM

| FCC Part 15 Notice | This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to 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. Class B limits are designed to provide reasonable protection 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 interference to radio communications. However, there is not guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: • Reorient the receiving antenna. • Increase the separate between the equipment and the receiver. • Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. • Consult the dealer or an experienced radio/TV technician for help. | Copyright | Copyrightⓒ Corecess All rights Reserved. No Part of this book shall be reproduced, stored in a retrieval system, or transmitted by any means, electronic, mechanical, photocopying, recording, or otherwise, without written permission from the publisher. The specifications and information regarding the products in this manual are subject to changed without notice. | Trademark Credit | Corecess 3311N and Corecess 3312N are registered trademark of Corecess Inc. Windows is registered trademark of Microsoft Corp. Corecess Inc. 500-2, Sangdaewon-dong, Jungwon-ku, Sungnam-city, Kyungki-do, Korea, 462-120 TEL: +82-31-739-6600 FAX: +82-31-739-6622 http://www.corecess.com Table of Contents Introduction ·························································· 4 Before Installing ··················································· 5 Installing the SHDSL Modem ······························ 6 Configuring the TCP/IP ········································ 7 Troubleshooting ················································· 10 Product Specifications ······································· 12 Thank you for using the product of Corecess. This manual helps users to install the Corecess SHDSL Modem Corecess 3311N and Corecess 3312N. Corecess 3311N/3312N Installation Guide 4 Introduction The Corecess 3311N and Corecess 3312 N are Single-pair High-speed Digital Subscriber Line (SHDSL) modems used for connection to the Internet or corporate intranets over ordinary telephone lines. Key Features The Corecess 3311N and Corecess 3312N SHDSL modem provides the following key features: y Provides auto-negotiating 10/100Base-TX Ethernet interface. y Provides SHDSL interface supporting the following data transmission rate: - Corecess 3311N : up to 2.3 Mbps for both upstream and downstream (2-wire mode) - Corecess 3312N : up to 4.6 Mbps for both upstream and downstream (4-wire mode) y Supports both symmetric and asymmetric services. y Supports both adaptive and fixed data rate modes. y Supports both server (CO) and client (CPE) operation modes. y Supports PPPoE, PPPoA, IPoA, RFC 1483 bridged/routed protocols. y Supports static routing and dynamic routing (RIP v1 and RIP v2) y Supports DHCP (Dynamic Host Configuration Protocol) server and client for dynamic IP address allocation. y Supports DNS (Domain Name Server) client and relay for easy mapping the domain name and IP address. y Supports NAT (Network Address Translation) for conservation of registered IP addresses. y Supports Telnet and HTML browser interface for configuring the SHDSL modem. y Can upgrade the latest modem software remotely using TFTP or FTP. y Supports Back-to-Back Connections for high-speed LAN extensions over a private network. 5 Before Installing Safety Precautions When installing or using the SHDSL modem, the following safety precautions should always be followed. y Do not use the SHDSL modem near water, for example, near a bath tub, wash bowl, kitchen sink of laundry tub, in a wet basement or near a swimming pool. y Use caution when installing or modifying telephone lines to prevent electric shock. y Do not connect or disconnect telephone lines during periods of lightning activity. y Use only the power supply and power cord provided with the SHDSL modem. Unpacking the Box Check the shipping carton carefully to ensure that the contents include the items you ordered. Note: The PC with a Ethernet port or adapter is neccssary to install the SHDSL modem. Before installing the SHDSL modem, prepare a PC with Ethernet port or adapter. Caution: To reduce the risk of fire, use only No. 26AWG or larger telecommunication line cord. Installation Guide SHDSL Modem Ethernet Cable (Straight-through Category-5) SHDSL Cable (4-wire Telephone Line) Power Supply and Power Cord Corecess 3311N/3312N Installation Guide 6 Installing the SHDSL Modem n Connect the provided SHDSL cable to the wall receptacle and connect the other end of the cable to the LINE port of the SHDSL modem. o Connect the provided Ethernet cable to the LAN port of the SHDSL modem and then connect the other end of the cable to Ethernet port on the NIC installed to your PC. p Connect the provided power supply cable into the DC IN port of the SHDSL modem. q Connect the provided power cord to the power supply and connect the other end of the cord to an appropriate electrical outlet. r Turn on the SHDSL modem with the power switch on the rear panel of the SHDSL modem. s Power on your PC. Caution: You should power on the SHDSL modem before powering on your PC. If you power on your PC first, PC’s IP address may not be properly assigned. In this case, assign new IP address referring to ‘Troubleshooting’…

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FCC ID : QB3CORECESS3311N To whom it may concern: We the undersigned Corecess Inc. hereby authorize ESTECH Co., Ltd.(EST) of Korea to act on our behalf in all matters relating to all processes required in the FCC Part 15C approval and any communication needed with the national authority. Any and all acts carried out by EST on our behalf shall have the same effects as acts of our own. If you have any questions regarding the authorization, please don’t hesitate to contact us. Sincerely yours, Young-Jun Song / Senior Engineer Tel: 82-31-739-6743 Fax: 82-31-739-6622

500-2, Sangdaewon-dong, Jungwon-ku Sungnam-city Kyungki-do Korea, 462-120 TEL : +82-31-739-6743 FAX : 82-31-739-6622 Federal Communications Commission Authorization and Evaluation Division FCC ID : QB3CORECESS3311N Confidentiality Request Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, the Applicant hereby requests confidential treatment of information accompanying this Application as outlined below: Schematics Block Diagram The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these matters might be harmful to the Applicant and provide unjustified benefits to its competitors. The Applicant understands that pursuant to Rule 0.457, disclosure of this Application and all accompanying documentation will not be made before the data of the Grant for this application. Sincerely, Young-Jun Song / Senior Engineer Corecess Inc.

1. FRONT 2. REAR 3 INTERNAL

INTERNAL PHOTO 1. MAIN 1.1 Front 1.2 Rear

Corecess Inc. FCC ID QB3CORECESS3311N -Operational description-

Compliance Test Report for FCC Company name Address Telephone Product name Model No. Serial No. Test date Testing location Standard □ Class A ■ Class B Test resultOK □ Class A ■ Class B Test resultOK Tested by Reviewed by Abbreviation * Note - This test report is not permitted to copy partly without our permission - This test result is dependent on only equipment to be used - This test result based on a single evaluation of one sample of the above mentioned OK, Pass = Passed, Fail = Failed, N/A = not applicable Corecess Inc. 500-2, Sangdaewon-dong, Jungwon-ku Sungnam-city Kyungki-do Korea, 462-120 82-31-739-6743 Measurement facility registration number Senior Engineer J.M. Yang Director T.K. Lee 94696 (Signature) (Signature) Date of issue ESTECH. Co., Ltd. 97-1 Hoiuk-Ri Majang-Myon, Icheon-city, KyungKi-Do, Korea Test item ■ Conducted Emission ■ Radiated Emission FCC PART 15 2002 , ANSI C 63.4 2001 2005-01-06 ~ 2005-01-12 Corecess 3311N 400029230000002 Corecess Inc. KOREA Report Number : ESTF150501-001 , Web : www. estech. co. kr Page 1 of 14 Report NumberESTF150501-001 Manufacturer Country of origin Applicant Product 2004-01-12 SHDSL MODEM 3 4 5 6 8 8 8 9 10 10 10 11 12 14 Appendix 1. Spectral diagram Appendix 2. Phorographs of EUT in side PCB Appendix 3. Block diagram of EUT Appendix 4. Circuit Diagram 7. Photogra phs of test setup ........................................................................... 8. Photogra phs of EUT .................................................................................... 6. Measurement of conducted emission ............................................................ 6.1 Measurement e quipment ........................................................................... 6.2 Environmental conditions ........................................................................... 6.3 Test data ................................................................................................ Report Number : ESTF150501-001 , Web : www. estech. co. kr Page 2 of 14 5. Measurement of radiated emission ............................................................... 5.1 Measurement e quipment ........................................................................... Contents 1. Laboratory Information ................................................................................. 2. Description of EUT ....................................................................................... 3. Test Standards ............................................................................................. 4. Measurement condition ................................................................................. 5.2 Environmental conditions ........................................................................ 5.3 Test data ............................................................................................. ... 1. Laboratory Information 1.1 General 1.2 Test Lab. Corporation Name : ESTECH Co. Ltd Head Office : Rm 1015, World Venture Center II, 426-5, Gasan-dong, Geumcheon-gu, Seoul, Kor e (Safety & Telecom. Test Lab) EMC Test Lab : 58-1 Osan-Ri, GaNam-Myon, YeoJoo-Gun, KyungKi-Do, Korea 97-1 Hoiuk-Ri Majang-Myon, Icheon-city, KyungKi-Do, Korea 1.3 Official Qualification(s) MIC : Granted Accreditation from Ministry of Information & Communication for EMC, Safety and Telecommunication KOLAS : Accredited Lab By Korea Laboratory Accreditation Schema base on CENELEC requirements FCC : Filed Laboratory at Federal Communications Commission VCCI : Granted Accreditation from Voluntary Control Council for Interference from ITE This EUT (Equipment Under Test) has been shown to be capable of compliance with the applicable technical standards and is tested in accordance with the measurement procedures as indicated in this report. ESTECH Lab attests to accuracy of test data. All measurement reported herein were performed by ESTECH Co., Ltd. ESTECH Lab assume full responsibility for the completeness of these measurements and vouch for the qualifications of all persons taking them. Report Number : ESTF150501-001 , Web : www. estech. co. kr Page 3 of 14 2. Description of EUT 2.1 Summary of Equipment Under Test Product: Model Number : Corecess 3311N Serial Number : Manufacturer : Country of origin : Rating : Receipt Date : 2.2 General descriptions of EUT Using Freq. :48Mhz/34.56Mhz/25Mhz Report Number : ESTF150501-001 , Web : www. estech. co. kr Page 4 of 14 SHDSL MODEM 400029230000002 Corecess Inc. KOREA INPUT:AC120V / 60Hz OUTPUT:DC5V/2A 2005-01-06 3. Test Standards Test Standard : FCC PART 15 (2002) Test Method : ANSI C 63.4 (2001) This standard sets forth uniform methods of measurement of radio-frequency (RF) signals and noise emitted from both unintentional and intentional emitters of RF energy in the frequency range 9 kHz to 40 GHz. Methods for the measurement of radiated and AC power-line conducted radio noise are covered and may be applied to any such equipment unless otherwise specified by individual equipment requirements. These methods cover measurement of certain decides that deliberately radiate energy, such as intentional emitters, but does not cover licensed transmitters. This standard is not intended for certification/approval of avionic equipment or for industrial, scientific, and medical (ISM) equipment These method apply to the measurement of individual units or systems comprised of multiple units This Standard sets out the regulations under which an intentional, unintentional, or incidental radiator may be operated without an individual license. It also contains the technical specifications, administrative requirements and other conditions relating to the marketing of Part 15 devices. Report Number : ESTF150501-001 , Web : www. estech. co. kr Page 5 of 14 4. Measurement Condition 4.1 EUT Operation. 4.2 Configuration and Peripherals * The EUT was in the following operation mode during all testing * The operational conditions of the EUT was determined by the ma…

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TEST SETUP PHOTO 1. Conducted Emission setup photo 1.1. Front 1.2. Rear 2. Radiated Emission setup photo 2.1 Front 2.2. Rear