Nortel Networks 400 4.0 User Manual
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BCM200/400 4.0 Installation and Maintenance Guide
Chapter 12
Installing optional telephony equipment
Use the procedures described in this chapter to connect the optional ringer, page, and music
telephony equipment to the media services card (MSC) connectors. Locate and use the MSC
connectors on the front of the BCM base function tray.
telephony equipment to the media services card (MSC) connectors. Locate and use the MSC
connectors on the front of the BCM base function tray.
This section describes the following main topics:
•
•
•
•
Installing an auxiliary ringer
An auxiliary ringer is a customer-supplied piece of hardware that provides external ringing
capability to telephones on the BCM system.
capability to telephones on the BCM system.
To install an auxiliary ringer
1
Use the installation instructions that came with the ringer hardware to install the auxiliary
ringer.
ringer.
2
Connect the ringer generator miniature jack to the auxiliary ringer output on the MSC. Refer to
.
3
Select the appropriate option for your system:
•
If you are adding more auxiliary equipment, proceed to
•
If you are finished adding auxiliary equipment, proceed to
.
Figure 86 Auxiliary ringer jack
Warning: The auxiliary ringer must not be connected to exposed plant.
The ringer must not draw more than 50 mA from a 40 V DC source.
The ringer must not draw more than 50 mA from a 40 V DC source.
Auxiliary ringer
MSC faceplate
Ring
- Auxiliary relay output
Tip
- Auxiliary relay output
Sleeve
- Ground