Related Manuals for Raisecom RC802-240B
Summary of Contents for Raisecom RC802-240B
- Page 1 RC802/804-240B 8E1 Modular Fiber-Optic Multiplexer (Rev. M) User Manual Raisecom Technology Co., Ltd. (04/2005)
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Page 2: Cautions
Raisecom Technology Co., Ltd 1. Cautions Please read the following notices carefully before installing and using the device, Raisecom does not respond to any loss that caused by violating safety notice. This series fiber-optic multiplexer is integrated device that has precise elements, please avoid violent shakes and impacts, and do not disassemble or maintain the device yourself. -
Page 3: Table Of Contents
Raisecom Technology Co., Ltd Contents Cautions ............................1 Overview ............................3 2.1. Introduction ..........................3 2.2. Main Features ..........................3 2.3. Part Number Introduction ......................3 Parameters............................5 3.1. E1 Interface Specification ......................5 3.2. Optical Interface Specification....................5 3.3. Ambience ..........................5 How to use ............................6 4.1. Introduction of the Front Panel ....................6 4.2. -
Page 4: Overview
Part Number Description RC802-240B-S1 Host-site module, 8 E1, 1 optical port, dual-strand single mode (DSC), 0-25 Km RC802-240B-S2 Host-site module, 8 E1, 1 optical port, dual-strand single mode (DSC), 10-60 Km RC802-240B-S3 Host-site module, 8 E1, 1 optical port, dual-strand single mode (DSC),15-120 Km... - Page 5 Raisecom Technology Co., Ltd (DSC), 0-25 Km Remote-site standalone, max 8 E1, 2 expansion slots, 1 optical port, dual-strand single mode RC801-240B-S2 (DSC), 10-60 Km Remote-site standalone, max 8 E1, 2 expansion slots, 1 optical port, dual-strand single mode RC801-240B-S3...
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Page 6: Parameters
Raisecom Technology Co., Ltd 3. Parameters 3.1. E1 Interface Specification Bit rate: 2048Kbps±50ppm Line code: HDB3 Impedance of interface: 75Ω (unbalanced) or 120Ω (balanced) Electrical characteristics: complies with ITU-T G.703 Transfer characteristics: complies with ITU-T G.823, G.724 Input jitter tolerance: complies with ITU-T G.823, G.724... -
Page 7: How To Use
Valid for both Unit 1 and Unit 2 Fixing Handle Figure 1. Sketch of RC802-240B, RC804-240B front panel The front panel includes the indications of E1 receiving signal loss alarms and optical alarms. All the alarms are for the receiving link (signal input). The Line L indicates the... -
Page 8: Dip-Switches Configuration
Raisecom Technology Co., Ltd sent through the optical link, so that they are accurate only when the optical receiving is working in good condition. 4.2. DIP-switches Configuration 4.2.1. Dip-switches for E1 Interface Impedance There are 8 groups of 4-bit dip-switches, SW1 to SW8. These switches cannot be managed by network management software, so they must be set manually. -
Page 9: Dip-Switch For Manufactures Setup
Raisecom Technology Co., Ltd • bit: loop-back type options This switch is used to choose “remote loop-back” or “local loop-back” when performing the E1 loop-back operations. Loop-back type option Remote loop-back enable Local loop-back enable Fiber Multipl Multipl BER tester... -
Page 10: Installation And Test
Raisecom Technology Co., Ltd 5. Installation and Test 5.1. Inspect after Opening Please first check if the models and part numbers are in consistence, and also check if the equipments are damaged. 5.2. Preparation before Installation Carefully read this manual Prepare all kinds of the cable. -
Page 11: Applying The Power Supply
Raisecom Technology Co., Ltd If using 120 Ohm balanced interface, users can connect the DB37 male interface with DB37 female-connector twisted-pair. Optical interface Plug the SC fiber tail into optical interface (push hard until to the deep end). If not sure about transmission direction, it’s advised first to turn on the power of device and then plug... - Page 12 Raisecom Technology Co., Ltd LOS red indicator of E1 sub-channel is on Answer: Loss alarm of RX signal at E1 sub-channel, no HDB3 signal is received. Check whether all E1 ports are connected well, or whether 75Ω cables are reversely connected, or whether the wires of 120Ω...
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Page 13: Appendix A Introduction Of Cable Making
Raisecom Technology Co., Ltd 6. Appendix A Introduction of Cable Making A.1 E1 Cable • 75 Ohm signal adopts DB37 coaxial adapter: SYV 75-2-2 coax cable, the distance shall not be longer than 200m. First pick out the CC3-K3 connector from the accessories, and release the tail protecting jack. - Page 14 Raisecom Technology Co., Ltd @2005 Raisecom Technology Co., Ltd. All trademarks are the property of their respective owners. Technical information may be subject to change without prior notification.