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Summary of Contents for Raisecom RC902-FE4E1-BL
- Page 1 RC902-FE4E1-BL User Manual REV. A 03/2007...
- Page 2 Raisecom Technology Co., Ltd shall not be held liable for bit errors contained herein or direct, indirect, special, incidental or consequential damages in connection with the furnishing, performance, or use of this material.
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Page 3: Contact Information
Haidian District, Beijing 100085 Tel: +86-10-82883305 Fax: +86-10-82883056 World Wide Web You can access the most current Raisecom product information on the World Wide Web at the following URL: h ttp://www.raisecom.com H T U U T H Feedback Comments and questions about how the RC902-FE4E1-BL (REV.A) device works are welcomed. -
Page 4: Table Of Contents
CONTENTS C hapter 1 O verview -------------------------------------------------------------------------------------- 7 -----------------------------------------------------------------------------------------------------------------------7 1 .1 Instruction ---------------------------------------------------------------------------------------------------------------------------7 1 .2 Features ---------------------------------------------------------------------------------------------------------7 1 .3 Ordering information C hapter 2 T echnical Parameters ----------------------------------------------------------------------- 8 ---------------------------------------------------------------------------------------------------8 2 .1 E1 interface technical data ---------------------------------------------------------------------------------------------8 2 .2 Optical interface technical data --------------------------------------------------------------------------------------------------------------------8 2 .3 Power supply -------------------------------------------------------------------------------------------------------8... -
Page 5: Safety Symbols
General Safety Instructions The following instructions serve as a general guide for the safe installation and operation of telecommunications products. Additional instructions, if applicable, are included inside the manual. Safety Symbols This symbol may appear on the equipment or in the text. It indicates potential safety hazards regarding product operation or maintenance to operator or service personnel. - Page 6 be present inside certain products even when the power switch (if installed) is in the OFF position or a fuse is blown. For DC-powered products, although the voltages levels are usually not hazardous, energy hazards may still exist. Before working on equipment connected to power lines or telecommunication lines, remove jewelry or any other metallic object that may come into contact with energized parts.
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Page 7: Chapter 1 Overview
Chapter 1 Overview 1.1 Instruction RC902-FE4E1-BL is a Fast Ethernet to 4 E1 interface converter with the up-to-date inverse multiplexing function, which is one of the most widely used Ethernet access solution using E1 resources. RC902-FE4E1-BL modular interface converter is a communication device provides the conversion from 10/100M self-adaptive Ethernet interface to 4 E1 interfaces. -
Page 8: Chapter 2 Technical Parameters
Chapter 2 Technical Parameters 2.1 E1 interface technical data Standard compliance: ITU-T G703, G704, G823 Interface type: RJ-45 Interface impedance: 120Ω Interface rate: 2048Kbps±50ppm Code pattern: HDB3 Jitter: resist 512UI wander Electrical property: compliant to ITU-T G703 Transfer property: compliant to ITU-T G823 Function property: line bit error detection and line auto-cutoff. -
Page 9: Chapter 3 Device Panel Appearance And Instruction
Chapter 3 Device Panel Appearance and Instruction 3.1 Device panel appearance 3.2 Indicator definition E1 line indicator: A, B, C, D (Three-color indicator): A, B, C, D four E1 line indicators Pattern Definition Green On The corresponding E1 link is working in order Red On Loss of receiving signal (LOS) alarm occurs on the corresponding E1 link while no LOS occurs on the... -
Page 10: Interface Instruction
corresponding indicator until the judgment completes. Please wait for the correct indication with patience. Ethernet indicator: Indicator Color Definition Green Interface connection indicator On: Network cable has been connected correctly Off: Network cable has not been connected correctly. 100M Green Interface rate indicator On: 100Mbps Off: 10Mbps... -
Page 11: Chapter 4 Device Setting Instruction
Chapter 4 Device Setting Instruction 4.1 Dip switch setting instruction 4.1.1 Dip switch location There is an 8-bit dip switch SW1 on the back of the PCB. 4.1.2 Dip switch definition SW1 definition: Dip switch bit OFF (Factory default) definition Bit 1 Normally operating Enable remote E1 loop back testing... - Page 12 Bit 3 No cutoff at any BER Cutoff when BER exceeds 10 BER cutoff Bit 4 Device on the other side Device on the other side should be old could be all RC901/2 4E1 version RC901-FE4E1 REV.A/B Compatibility device excluding setting RC901-FE4E1 REV.A/B Bit 5...
- Page 13 E1 Link Local Remote RC902- RC901- Link A Link A FX4E1 FX4E1 Etherne Etherne Link B Link B Link C Link C Link D Link D BERT BERT BERT Sketch of remote loop-back at local site Local bidirectional loop back When performing local loop back, RC902-FE4E1 will loop back all E1 and Ethernet signal.
- Page 14 Rev. C converter. When this converter communicates with RC902-FE4E1 Rev. D, this switch should be turned off to enable E1 remote loop back and remote network management through Raisecom network management platform. Ethernet interface operating status setting The default operating status of Ethernet interface is self-adaptation status with cross-connect auto-recognition function.
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Page 15: Default Setting
100M full-duplex Keep factory default setting, 100M full-duplex connection can be achieved interface 100M duplex Keep factory default setting, 100M full-duplex connection can be achieved auto-negotiation interface Setting rule: Bit 6 Bit 7 Factory default 100M half-duplex 10M full-duplex 10M half-duplex Failover function Failover function is for users with special need. -
Page 16: Chapter 5 Typical Application
Central Office 2 LAN 2 As is shown in the figure above, both central office 1 and 2 must apply Raisecom RC901 and RC902 series 4 E1 converters. The device with 4 E1 channels must support E1 data transparent transmission, like SDH, PDH, and etc. -
Page 17: Chapter 6 Network Management Property
Chapter 6 Network Management Property 6.1 Network management platform The status information of RC902-FE4E1-BL can be viewed, controlled and configured through Raisecom network management platform RC002_1.19(Build2) and all above versions. 6.2 Network management query The status of remote E1 loop back and local bidirectional loop back... -
Page 18: Chapter 7 Installation
Users can choose E1 cable from 22AWG twisted pair and 24AWG twisted pair. If the E1 link connecting RC902-FE4E1-BL is constructed by PDH, SDH devices, for the type, definition, impedance of the E1 interface on these devices, please refer to their user manual. -
Page 19: Appendix A Acronyms
Appendix A Acronyms Acronym or Specialized vocabulary Abbreviation Power Loss Of Signal Loss Of Frame Alarm Indication Signal Cyclic Redundancy Check Coding Violation... -
Page 20: Appendix B Frequently Asked Questions
Appendix B Frequently Asked Questions Ethernet link indicator (LNK) is off Please check whether the network cable has broken down or whether the network devices (e.g. switch) are operating properly. Please check whether the devices are connected following connecting rules: if the self-adaptation and self-cross connection function are turned off, the device should be connected to switch or HUB using direct network connection and connected to router or network card using cross connection. - Page 21 Address: 2 Floor, South Building of Rainbow Plaza, No.11 Shangdi Information Road, Haidian District, Beijing Postcode: 100085 Tel: +86-10-82883305 Fax: +86-10-82883056 Email: export@raisecom.com http://www.raisecom.com...