Rc3000-Sub-D422 User-Board Explanation - Raisecom RC3000 PCM User Manual

interface is as follows:
Channel 1
RJ45-1
Pins
2RD,3TD,1,4GND
Channel 5
RJ45-3
Pins
2RD,3TD,1,4GND
Note: 2RD is the input of RS232 Rx data, 3TD is the output of Tx data and 4GND is the
ground. Here we want to explain the grounding rules: there are two grouding conductors,
one is signal grounding and the other one is chassis grounding. Please connect the
RJ45 connector of RS232 first and then DB interface of other device when connect
RS232 with other device (both powered on), this can make sure of grouding protection to
avoid destroyment of RS232 serial interface.

7.10. RC3000-SUB-D422 user-board explanation

RC3000-SUB-D422 user card has standard serial data interface. There are 8 channels
whitch is decided by hardware, unchangeable. Four RC45 connectors make up of the 8
channels and each RJ45 connector has two channels. And the definition of each
interface is as follows:
1 2 3 4 5 6 7 8
RJ45-1
Channel 1
RJ45-1
Pins
1RA,2RB,3TA,4TB
Channel 5
RJ45-3
Pins
1RA,2RB,3TA,4TB
Note: 1RA is the positive input of RS422 Rx data, 2RB is the negative input of RS422 Rx
data, 3TA is the the positive output of RS422 Tx data and 4TB is the negative output of
RS422 Tx data. RC3000-SUB-D422 user card has static protection and the serial
interface will not be destroyed. In application, please connect the cable first and then
plug the user card into RC3000 slot.
2
RJ45-1
6RD,7TD,5,8GND
6
RJ45-3
6RD,7TD,5,8GND
1 2 3 4 5 6 7 8
RJ45-2
Figure 34
2
RJ45-1
5RA,6RB,7TA,8TB
6
RJ45-3
5RA,6RB,7TA,8TB
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3
RJ45-2
2RD,3TD,1,4GND
7
RJ45-4
2RD,3TD,1,4GND
1 2 3 4 5 6 7 8
RJ45-3
3
RJ45-2
1RA,2RB,3TA,4TB
7
RJ45-4
1RA,2RB,3TA,4TB
4
RJ45-2
6RD,7TD,5,8GND
8
RJ45-4
6RD,7TD,5,8GND
1 2 3 4 5 6 7 8
RJ45-4
4
RJ45-2
5RA,6RB,7TA,8TB
8
RJ45-4
5RA,6RB,7TA,8TB