Dtm Wiring Chart; Appendix E - Nortel BCM50 Installation And Maintenance Manual

Appendix E

DTM wiring chart

The digital telephone line is connected to the Digital Trunk Module (DTM) through the RJ-48c
jack on the front of the media bay module (MBM) (see
Figure 83 DTM RJ-48C port
Table 39 and Table 40
Table 39 DTM RJ-48c port wiring
Pin
1
2
3
4
5
6
7
8
Table 40 DTM line numbering
Line type
T1
PRI
E1
DTM
Bantam jack
list the wiring details for the RJ-48C port.
Signal
Receive Ring
Receive Tip
Receive Shield
Transmit Ring
Transmit Tip
Transmit Shield
No connection
No connection
Default line numbers on
Expansion port 1
065 – 088
065 – 087
065 – 094
Appendix E DTM wiring chart
Figure 83).
RJ-48C pin out
RJ-48C jack
Default line numbers on
Expansion port 2
095 – 118
095 – 117
095 – 124
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