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Chapter 1 Introduction to the Business Communications Manager Platform Hardware 53
Installation and Maintenance Guide
The media bay module (MBM) backplane provides the media bay module component interface to
the power supply and main card. The media bay module backplane mounts at the rear of the media
bay module bays and is a non-replaceable chassis component. Figure 13 illustrates the media bay
module backplane and connectors for the BCM200 platform. Figure 14 illustrates the media bay
module backplane and connectors for the BCM400 platform.
Figure 13 BCM200 media bay module backplane
Figure 14 illustrates the BCM400 media bay module backplane and connectors.
Figure 14 BCM400 media bay module backplane
MBM
backplane
connectors
Front view Rear view
MBM backplane
connector to
MSC
MBM backplane
connector to
power supply
Front view
MBM backplane
connector to
MSC
MBM backplane
connector to
power supply
MBM
backplane
connectors
Rear view