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90 Chapter 1 Introduction to the Business Communications Manager Platform Hardware
P0993133 03
Business Communications Manager Expansion Unit
The Business Communications Manager expansion unit contains six additional bays for media bay
modules. The Business Communications Manager expansion unit is available for use only with the
BCM400.
The supplied DS256 cable is 5 m (16 ft.) long. Use of any other cable is not supported. The cable
connects into a DS256 port on the MSC of the base function tray, and into a DS256 port on the
center panel of the expansion unit. Refer to Figure 49.
Figure 49 Business communication manager DS256 connectors and expansion unit
Note: The number of modules that actually can be installed is determined by the number
of DS30 channels required by the modules and the number of channels available.
Refer to Chapter 3, “Install the Business Communications Manager & Expansion Unit
Platform Base Chassis,” on page 99.
Business Communications Manager expansion unit
NEEd
DS256 port
Business Communications Manager (BCM400)
DS256 port