Dtm wiring chart, Appendix f dtm wiring chart, Appendix f – Nortel Networks BCM50 User Manual
Page 215
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Appendix F DTM wiring chart
215
Installation and Maintenance Guide
Appendix F
DTM wiring chart
The digital telephone line connects to the Digital Trunk Module (DTM) through the RJ-48c jack
on the front of the media bay module (MBM). See the figure
Figure 92 DTM RJ-48C port
The table
on page 215 and the table
list the wiring details for the RJ-48C port.
Table 41 DTM RJ-48c port wiring
Pin
Signal
1
Receive Ring
2
Receive Tip
3
Receive Shield
4
Transmit Ring
5
Transmit Tip
6
Transmit Shield
7
No connection
8
No connection
Table 42 DTM line numbering
Line type
Default line numbers on
Expansion port 1
Default line numbers on
Expansion port 2
T1
065 – 088
095 – 118
PRI
065 – 087
095 – 117
E1
065 – 094
095 – 124
1 2 3 4 5 6 7 8
RJ-48C jack
RJ-48C pin out
DTM
Bantam jack
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