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Summary of Contents for Raisecom RC802-240B
- Page 1 RC802-240B 8 E1 module optical multiplexer User Manual Beijing Raisecom science and technology Ltd. Co...
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Page 2: Table Of Contents
Content Chapter 1 RC802-240B£ ¨ V ersion C £ © O verview ..........1 Chapter 2 Instruction ....................2 Chapter 3 Installation and test ................5 Chapter 4 Troubleshooting ..................6 Appendix A Introduction of making cable............. 7... -
Page 3: Chapter 1 Rc802-240B£ ¨ Version C£ © Overview
RC004-16 chassis provides power supply 1.2.5 Environment Temp£ º 0 ~ 45¡ æ Humidity£ º ¡ Ü 90%£ ¨ 25¡ æ £ © 1.2.6 Dimension RC004-16£ º 436mm(W)×440mm(H)×360mm(D) 1.3 Interconnection 1.3.1 Slide-in module RC802-240B can work in pair with standalone RC801-240B. - 1 -... -
Page 4: Chapter 2 Instruction
“ON”: Mask unused E1' s alarm; “OFF”: No mask unused E1' s alarm. MASK Fixed spanner Figure 1 sketch map of RC802-240B As shown figure 1, all alarms of E1 are receiving signal alarm. The alarm of remote site is sent - 2 -... - Page 5 by fiber. So remote alarm is only right when optical interface is available. 2.2 Internal DIP-Switch setting 2.2.1 Impedance setting of E1 interface There are 8 groups 4-bit DIP-Switch, the number of component is S1~S8. 1 2 3 4 These switches can’t be controlled by NMS. So they can be done manually.
- Page 6 Local loop-back enable Fiber Multipl Multipl Error bit tester exer exer Local Remote Figure2: sketch map of setting remote loop-back on local site Fiber Multipl Multipl Error bit tester exer exer Local Remote Figure3: sketch map of setting local loop-back on local site Note£...
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Page 7: Chapter 3 Installation And Test
Chapter 3 Installation and test 3.1 Installation 3.1.1 connecting E1 interface There are two groups DB37 male connectors above every MPU slot of RC004-16. The first DB37 group from the top is for 1~4 E1 of 1 unit; the second DB37 is for 1~4 E1 of 2 unit. -
Page 8: Chapter 4 Troubleshooting
Chapter 4 Troubleshooting If there are any problems during installation and using, try the following proposals. If the problems can still not be solved, please contact distributors or hot-line technical support for help. The following explanations and solutions for alarms at optical ports and LOS alarms at E1 ports are used to handling local alarm problems. -
Page 9: Appendix A Introduction Of Making Cable
Appendix A Introduction of making cable 75ohm adopting DB37 coax adapter: It is suggested to connect with SYV 75-2-2 coax cable. The distance is less than 200 meters. 120ohm DB37 male connector is defined as following: DB37 pin definition 3¡ ¢ 4 7¡...