Rc802-240b 8 e1 module optical multiplexer user manual beijing raisecom science and technology ltd. Co.
Content chapter 1 rc802-240b（version c）overview.................................................. 1 chapter 2 instruction .............................................................................................. 2 chapter 3 installation and test ....................................................
Chapter 1 rc802-240b（version c）overview 1.1 product introduction rc802-120b×2 is an ideal transmission device of optical fiber for point to point networks, middle and small capacity networks, such as wireless communication base stations, private communication networks and switch networks. It can be ...
Chapter 2 instruction 2.1 introduction of front panel pwr l r lo s 1 2 3 4 mask los lof tx rx 5 6 7 8 e-3 e-6 rs232 the top fixed spanner power indicator（green）：on, built-in power working in good condition the row (l) indicates “local” the row below indicates “remote” e1 los alarm(red): receiving si...
By fiber. So remote alarm is only right when optical interface is available. 1 2 3 4 on 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. These switches can’t be controlled by nms. So they can be done manual...
On local loop-back enable fiber multipl exer error bit tester multipl exer e1 e1 local remote figure2: sketch map of setting remote loop-back on local site figure3: sketch map of setting local loop-back on local site multipl exer fiber multipl exer e1 error bit tester e1 local remote note：when any l...
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 st unit; the second db37 is for 1~4 e1 of 2 nd unit. 75ohm unbalanced: cc4b-8g adapter is in...
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 al...
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 1 st 2 nd 3 rd 4 th out 3、4 7、8 11、12 15、16 in 21、22 25、26 29...
