Connect Extensions To The Bcm50 Expansion Units; Connecting The Auxiliary Equipment - Nortel BCM50 Installation And Maintenance Manual

Connect extensions to the BCM50 Expansion Units

Extensions connect to the BCM50 Expansion Unit through the connectors on the media bay
module (MBM) installed in the BCM50 Expansion Unit.
To connect extensions to DSM16, DSM32, ASM8, or 4X16 MBMs:
1 Read the warnings in the
2 Obtain a 25-pair cable with an RJ-21 connector on one end.
3 Plug the RJ-21 connector of the cable into the RJ-21 connector on the front of the media bay
module.
4 Select the appropriate option to secure the RJ-21 connector to the media bay module:
• If you are using a straight RJ-21 connector, use the two screws on the sides of the
connector to secure it.
• If you are using a right-angle RJ-21 connector, use the screw on the left side of the
connector to secure the left side of the connector. To secure the right side of the connector,
use a cable tie to fasten the 25-pair cable to the anchor on the media bay module.
5 Connect the other end of the cable to the local connecting blocks (BIX).
6 If you are connecting extensions to a DSM32, repeat steps 2 to 5 for the second RJ-21
connector.
7
Select the appropriate option for your system:
• If your BCM50 system has another BCM50 Expansion Unit, repeat this procedure if you
are adding more extensions or proceed to
Expansion Units" on page 123
• If your BCM50 system does not have another BCM50 Expansion Unit, proceed to
"Connecting the auxiliary equipment" on page
Refer to the following sections for information on wiring the station media bay modules:
• "4x16 wiring charts" on page 241
• "DSM16 and DSM32 wiring charts" on page 245
• "ASM wiring chart" on page 247

Connecting the auxiliary equipment

The BCM50 Main Unit has connections for an auxiliary ringer, an external paging system, and a
music source.
This auxiliary equipment can also be connected through the auxiliary terminal block on the wiring
field card (WFC). Refer to
"Wiring warnings" on page 121
if you are adding telephone lines.
"Connect the cables to the wiring field card (optional)" on page

Connecting the auxiliary equipment

section.
"Connect telephone lines to the BCM50
125.
Connect the cables to the BCM50 system
125
129.