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

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
OUT
IN
Others hang up. Twisted pairs can be jointing on DB37 female connector.
Making cable of auxiliary channel
Auxiliary channel RS232 cable
Adopting RJ45 interface, pins defined as following:
3 ¡ ª ¡ ª RXD 232 signal input
6 ¡ ª ¡ ª TXD 232 signal output
4¡ ¢ 5¡ ª ¡ ª GND
others ¡ ª hang up
RS232 (RJ45) interface is connected to computer's console (DB9 female connector), line order
as following:

Appendix A Introduction of making cable

st
1
3¡ ¢ 4
21¡ ¢ 22
RJ45
3
6
4¡ ¢ 5
nd rd
2 3
7¡ ¢ 8 11¡ ¢ 12
25¡ ¢ 26 29¡ ¢ 30
DB9F
¡ û ¡ ª 3
¡ ª ¡ ú 2
¡ ª ¡ ª 5
th
4
15¡ ¢ 16
33¡ ¢ 34
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