Nortel Networks 400 4.0 BCM200 main unit, Introducing the BCM hardware, Component Description

32Chapter 2 Introducing the BCM hardware

BCM200 main unit

Figure 1 illustrates the BCM200 main unit, and Table 1 describes the main unit components.

Figure 1 BCM200 main unit components

Base function tray

MBM bays

		MBM
Tray latch	Tray latch
		ejectors

Table 1 BCM200 main unit component descriptions

Component	Description
Base function tray	The sliding base function tray provides call processing functions and interface
	connections. See “Base function tray component hardware” on page 39.
Tray latch	The tray latch enables you to remove the base function tray.
Media bay module (MBM)	The MBM bay is a slot into which you install an MBM. The BCM200 main unit has two
bays	MBM bays. See “Media bay modules (MBMs)” on page 51.
MBM ejectors	The MBM ejector enables you to remove an MBM from the MBM bay.

Figure 2 shows the location of the BCM200 main unit internal components. Table 2 describes the internal components.

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