Appendix H; 4X16 Wiring Charts - Nortel BCM50 Installation And Maintenance Manual

Appendix H

4x16 wiring charts

You can connect up to 4 analog telephone lines and up to 16 digital telephones to the 4x16 media
bay module (MBM).
The analog telephones lines are connected to the 4x16 through the RJ-11 jacks (labeled 1 to 4) on
the front of the MBM. Do not connect analog telephone lines to the auxiliary jack on the front of
the media bay module. These jacks are intended for analog telephones designated as emergency
telephones. See
The digital telephones, such as the Business Series Telephones, are connected to the RJ-21
connector on the front of the 4x16.
Figure 86 4x16 connectors
4x16
Table 45 and Table 46 on page 222
wiring applies to the numbered ports and the Aux ports.
Table 45 4x16 RJ-11 port wiring
Pin
1
2
3
4
5
6
Figure 86.
RJ-21 connector
RJ-11 jacks
list the wiring details for the RJ-11 jacks on the 4x16. This
Signal
No connection
No connection
Ring
Tip
No connection
No connection
Appendix H 4x16 wiring charts
RJ-21 pin out
6 5 4 3 2 1
RJ-11 pin out
BCM50 Installation and Maintenance Guide
221