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

7.12. RC3000-SUB-DSR user-board explanation

RC3000-SUB-DSR is a phone interface card with polarity reversal function. There are 8
channels which are decided by hardware, unchangeable. Two RC45 connectors make
up of the 8 channels and each RJ45 connector has four channels. And the definition of
each interface is as follows:
Channel
Pins
Channel
Pins
Fundamental structure of RC3000-SUB-DSR:
Voice
channel
Int
interface
erf
ac
e
pr
ot
ec
tio
1 2 3 4 5 6 7 8
RJ45-1
1
RJ45-1 1A,2B
5
RJ45-2 1A,2B
Voice channel control
module
2W & 4W balance
module
Voice D/A
converter
Polarity reversal,
Detect of ring and
pickup/hangup
Figure 38
1 2 3 4 5 6 7 8
RJ45-2
Figure 37
2
RJ45-1 3A,4B RJ45-1 5A,6B
6
RJ45-2 3A,4B RJ45-2 5A,6B
Voice input &
output
Signal input
& output
Control of
channel
output
44
Raisecom Technology Co., Ltd
3
RJ45-1 7A,8B
7
RJ45-2 7A,8B
Multiplexing
module
Multiplexing
bus module
Control bus
module
4
8
Bus
inteface
Multiplexi
ng bus
Control
bus