Rc3000-Sub-Dmt User-Board Explantion - Raisecom RC3000 PCM User Manual

7.11. RC3000-SUB-DMT user-board explantion

RC3000-SUB-DMT is a magneto telephone interface card and can transimit magneto
telephone calls (hot-wire magneto telephone). There are 8 channels whitch is 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-DMT:
Voice
channel
Int
interface
erf
ace
pro
tec
tio
n
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
Ring output & detect
Figure 36
1 2 3 4 5 6 7 8
RJ45-2
Figure 35
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
43
Raisecom Technology Co., Ltd
3 4
RJ45-1 7A,8B
7 8
RJ45-2 7A,8B
Multiplexing module
Multiplexing bus
process module
Control bus
process module
Bus
interfaces
Multiplexi
ng bus
Control
bus