Function Of Rc3000-Sub-Dm2 - Raisecom RC3000 User Manual

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5.5 Function of RC3000-SUB-DM2

RC3000-SUB-DM2 is a 2W audio relay card with E&M signal, used for transmission of signal and
voice between offices. There totally 8 channels decided by hardware, unchangeable. Four RJ45
interfaces make up of the 8 channels (each RJ45 interface has two channels). Definition of RJ45
interface is as follows:
1 2 3 4 5 6 7 8
Channel
Pins
Channel
Pins
Note: T and R are 2-wire channel voice, E is E signaling Rx and M is M signaling Tx.
Fundamental structure of RC3000-SUB-DM2:
Voice channel control module
Voice channel
interface
1 2 3 4 5 6 7 8
RJ45-1
1
RJ45-1
1T, 2R, 3E, 4M
5
RJ45-3
1T, 2R, 3E, 4M
2W & 4W balance
module
Voice D/A converter
E & M signal process
module
1 2 3 4 5 6 7 8
RJ45-2 RJ45-3
Figure 5-9
2
RJ45-1
5T, 6R, 7E, 8M 1T, 2R, 3E, 4M
6
RJ45-3
5T, 6R, 7E, 8M 1T, 2R, 3E, 4M
Voice input &
output
Signal input &
output
Control of channel
output
Figure 5-10
1 2 3 4 5 6 7 8
RJ45-4
3 4
RJ45-2 RJ45-2
5T, 6R, 7E, 8M
7 8
RJ45-4 RJ45-4
5T, 6R, 7E, 8M
Multiplexing module
Multiplexing bus
process module
Control bus process
module
User Manual
Bus interface
Multiplexing
bus
Control bus
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