Function Of Rc3000-Sub-Dsr - Raisecom RC3000 User Manual

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Channel
Pins
Channel
Pins
Fundamental structure of RC3000-SUB-DMT:
Voice
channel
interface

5.12 Function of RC3000-SUB-DSR

RC3000-SUB-DSR is a FXS phone sub-card with polarity reversal function. There are 8 channels
which are decided by hardware, unchangeable. Two RJ45 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
1
RJ45-1, 1T,2R RJ45-1, 3T,4R
5
RJ45-2, 1T,2R RJ45-2, 3T,4R
Voice channel control
module
2W & 4W balance
module
Voice D/A converter
Ring output & detect
1 2 3 4 5 6 7 8
RJ45-1
1
RJ45-1, 1T,2R RJ45-1, 3T,4R
5
RJ45-2, 1T,2R RJ45-2, 3T,4R
2 3
RJ45-1, 5T,6R
6 7
RJ45-2, 5T,6R
Voice input &
output
Signal input &
output
Control of
channel output
Figure 5-17
1 2 3 4 5 6 7 8
RJ45-2
Figure 5-18
2 3
RJ45-1, 5T,6R
6 7
RJ45-2, 5T,6R
User Manual
4
RJ45-1, 7T,8R
8
RJ45-2, 7T,8R
Multiplexing module
Multiplexing bus
process module
Control bus
process module
4
RJ45-1, 7T,8R
8
RJ45-2, 7T,8R
Bus
interfaces
Multiplexing
bus
Control bus
33