Expansion Ports Wiring Chart; Figure 81 Expansion Ports On A Bcm50 And A Bcm50 Expansion Unit; Table 28 Expansion Port Wiring - Nortel BCM50 Installation And Maintenance Manual

Appendix D

Expansion ports wiring chart

Two of the four RJ-45 connectors on the BCM50, the BCM50a, and the BCM50e are designated
as Expansion ports (see
to connect network devices to the LAN.

Figure 81 Expansion ports on a BCM50 and a BCM50 Expansion Unit

Expansion port 1
Table 28 lists the wiring details for the Expansion ports.
Table 28 Expansion port wiring (Sheet 1 of 2)
Pin Signal
1 + Ethernet Receive Data
2 – Ethernet Receive Data
3 + Ethernet Transmit Data
4 – FS256 Transmit Data
5 + FS256 Transmit Data
6 – Ethernet Transmit Data
Figure 81). These ports are used to connect to a BCM50 Expansion Unit or
BCM50
Expansion port 2
BCM50 Expansion Unit
Expansion port
Expansion ports wiring chart
229
Expansion port
pin out