Brim Wiring Chart; Figure 84 Brim Rj-45 Ports; Table 34 Brim Rj-45 Port Wiring - Nortel BCM50 Installation And Maintenance Manual

Appendix G

BRIM wiring chart

The digital BRI ISDN lines are connected to the BRIM through the RJ-45 jacks on the front of the
media bay module (see
Figure 84, Table
connect S-Loop devices such as video phones, terminal adapters, and Grp 3 Fax machines. The
T-Loops are used to connect to the CO/PSTN.
Warning: The BRIM must only be connected to an NT1 provided by the service
provider. The NT1 must provide a Telecommunication Network Voltage (TNV) to Safety
Extra Low Voltage (SELV) barrier.

Figure 84 BRIM RJ-45 ports

Table 34 and Table 35

Table 34 BRIM RJ-45 port wiring

Pin
1
2
3
4
5
6
7
8
Figure 84). You can connect up to four BRI ISDN lines to the BRIM.
34, and Table 35 apply to S-Loop and T-Loop connections. S-Loop are used to
BRIM
RJ-45 jacks
lists the wiring details for the RJ-45 ports.
Signal
No connection
No connection
+ Receive (+Rx)
+ Transmit (+Tx)
- Transmit (-Tx)
- Receive (-Rx)
No connection
No connection
Signal on system side
No connection
No connection
+Tx
+Rx
-Rx
-Tx
No connection
No connection
235
1 2 3 4 5 6 7 8
RJ-45 pin out
BRIM wiring chart