Brim wiring chart, Appendix g brim wiring chart, Appendix g – Nortel Networks BCM50 User Manual
Page 217
Appendix G BRIM wiring chart
217
Installation and Maintenance Guide
Appendix G
BRIM wiring chart
The digital BRI ISDN lines connects to the BRIM through the RJ-45 jacks on the front of the
media bay module (MBM). See the figure
on page 217. You can connect up to
four BRI ISDN lines to the BRIM.
on page 217, the table
on page 217, and the
table
on page 218 apply to S-Loop and T-Loop connections. S-Loops
connect S-Loop devices such as video phones, terminal adapters, and Grp 3 Fax machines. The
T-Loops connect to the CO/PSTN.
Figure 93 BRIM RJ-45 ports
The table
on page 217 and the table
list the wiring details for the RJ-45 ports.
Warning: For a U-loop connection, you must connect the BRIM only to an NT1 supplied
by the service provider. The NT1 must provide a Telecommunication Network Voltage
(TNV) to Safety Extra Low Voltage (SELV) barrier.
Table 43 BRIM RJ-45 port wiring
Pin
Signal
Signal on system side
1
No connection
No connection
2
No connection
No connection
3
+ Receive (+Rx)
+Tx
4
+ Transmit (+Tx)
+Rx
5
– Transmit (-Tx)
– Rx
6
– Receive (-Rx)
– Tx
7
No connection
No connection
8
No connection
No connection
1 2 3 4 5 6 7 8
RJ-45 pin out
RJ-45 jacks
BRIM