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Chapter 1 Introduction to the Business Communications Manager Platform Hardware 71
Installation and Maintenance Guide
Figure 36 Telephony hardware components.
Media bay modules (MBMs)
The MBMs connect with external devices to implement various types of voice trunks and stations.
Install the MBMs in the media bay module bays in the BCM200, BCM400 base platforms and the
expansion unit. There are three types of media bay modules. Twelve media bay modules available
as optional equipment (as shown in Table 8).
“Trunk Media Bay Modules”
on page 74
“Station Media Bay Mod-
ules” on page 78
“Specialized Media Bay
Modules” on page 81
“Telephones and adapters”
on page 85
Refer to “Media Bay Module Availability by Region”
on page 303 and “Trunk Availability by Region” on
page 304 to determine which media bay modules
and which types of trunk lines are available in your
location.
CTM 4
1Aux2 3 4
DSM 16+
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StatusPower