Appendix A Introduction Of Cable Making; E1 Cable - Raisecom RC802-240B User Manual

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. Secondly, separate the core from the shield, and put the tail protecting jack
on it. Solder the strand with the core of the CC3-K3 connector. Solder the cable shield with
the shield of the CC3-K3 connector. Finally, fix the jack at the end of the connector.
•
120 Ohm signal adopts DB37 male connector:
DB37 Pin
Definition
OUT
IN
Others - GND
st nd
1 Channel 2 Channel 3
3, 4 7, 8
21, 22 25, 26
rd
Channel
11, 12
29, 30
12
Raisecom Technology Co., Ltd
th
4 Channel
15, 16
33, 34