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- RC801
- User Manual
Raisecom RC801 User Manual
Summary of RC801
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Rc801/803/805-120b 4e1 fiber-optic multiplexer user manual raisecom technology co., ltd. (04/2005).
Page 2: 1. Cautions
Raisecom technology co., ltd 1 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. Rc800-120b series optical multiplexer provides two types of power supply: ac and dc. When using...
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Raisecom technology co., ltd 2 contents 1. Cautions ...........................................................................................................................................1 2. Overview ..................................................................................................
Page 4: 2. Overview
Raisecom technology co., ltd 3 2. Overview 2.1. Introduction rc801/803/805-120b series fiber-optic multiplexers are ideal fiber-optic transmission devices for point-to-point networks, medium-sized and small capacity networks, such as wireless communication base stations, private communication networ...
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Raisecom technology co., ltd 4 dc —— dc -48v power supply note: rc801 standalone fiber-optic multiplexer shall work in pairs rc803 and rc805 must cooperate in pairs. One rc803 must work with one rc805. 2.4. Dimensions compact 19-inch standard 1u-high chassis, 440mm (w) x 43.6mm (h) x 180mm (d).
Page 6: 3. Parameters
Raisecom technology co., ltd 5 3. Parameters 3.1. E1 interface parameters 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 input jitter tolera...
Page 7: 4. How To Use
Raisecom technology co., ltd 6 4. How to use 4.1. Introduction of the front panel figure1: sketch of the front panel of rc800-120b 4.1.1. Power indicator pwr (green): on, power supply is functioning normally. 4.1.2. Alarm indicators alarm indicators of both local and remote side can be displayed. Th...
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Raisecom technology co., ltd 7 off off off off no loop-back off off off on 1 st e1 off off on off 2 nd e1 off off on on 3 rd e1 off on off off 4 th e1 on on on on all e1 links note: only two test method can be set: single e1 channel loop-back or all e1 channels loop-back. When single e1 channel loop...
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Raisecom technology co., ltd 8 4.1.4. Dip-switch sw2 setup: all off by default sw2 is the switch for address code setting. When all off, the equipment can be remote managed; otherwise, it can be managed locally through lnk-up port. The addresses shall not be the same for the equipment cascaded at on...
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Raisecom technology co., ltd 9 4.2.2. Power socket ac: 220v standard triple-phase power socket dc: -48v power interface. Left pin for -48v, right pin for 0, and the middle pin for ground 4.2.3. Optical port • the fiber connector is dsc/pc for dual-strand models, tx for signal output and rx for signa...
Page 11: 5. Installation and Test
Raisecom technology co., ltd 10 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 z carefully read this manual z prepare all kinds of the cable. ...
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Raisecom technology co., ltd 11 5.3.3. Configuring buttons and switches after turning on power of the device, first ensure there is no alarm on optical port. If optical ports are connected properly, there shall be no los, lof, and e-3 alarm. The e-6 (yellow) may be on the moment when the power is ju...
Page 13: 6. Troubleshooting
Raisecom technology co., ltd 12 6. Troubleshooting if there are any problems during installation and using, try the following proposals. If the problems still can not be solved, please contact distributors/agents for help. The following explanations and solutions for alarms at optical ports and los ...
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Raisecom technology co., ltd 13 z 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 75 Ω cables are reversely connected, or whether the wires of 75 Ω cables are in right o...
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Raisecom technology co., ltd 14 7. Appendix a introduction of cable making a.1 e1 cable 75 ohm bnc connector: syv 75-5, syv 75-3, or syv 75-2-2 coax cable，the distance shall not be longer than 200m. First pick out the bnc connector from the accessories, and release the tail protecting jack. Secondly...
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Raisecom technology co., ltd 15 @2005 raisecom technology co., ltd. All trademarks are the property of their respective owners. Technical information may be subject to change without prior notification..