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Installation and Maintenance Guide
Chapter 14
Installing optional telephony equipment
This chapter tells you how to connect the optional ringer, page, and music telephony equipment to
the media services card (MSC) connectors on the front of the BCM1000.
Auxiliary ringer
(customer supplied)
An auxiliary ringer is a customer-supplied piece of hardware that provides external ringing
capability to telephones connected to the Business Communications Manager system, if the
telephones are set to allow it.
To install this equipment, follow these steps:
1 Use the installation instructions that came with the ringer hardware to install the auxiliary
ringer.
2 Connect the ringer generator miniature jack to the auxiliary ringer output on the MSC. Refer to
Figure 81.
Auxiliary ringer programming
You can activate the auxiliary ringer by setting auxiliary ring for specific external lines and
Business Communications Manager telephones. Refer to the Business Communications Manager
Programming Operations Guide for programming details.
Figure 81 Auxiliary ringer jack
Auxiliary ringer jack MSC faceplate
Tip: Auxiliary relay output
Ring: Auxiliary relay output
Sleeve: Ground
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.
Tip
Ring
Sleeve
Auxiliary ringer