Bcm400 Main Unit - Nortel BCM200 Installation And Maintenance Manual

34 Chapter 2 Introducing the BCM hardware

BCM400 main unit

The BCM400 main unit is available either in a standard or redundant feature option (RFO)
configuration.
Figure 3 illustrates the BCM400 main unit, and
These components are the same for the standard and RFO configurations.
Figure 3 BCM400 main unit components
Tray latch
Primary Mirror
Tray latch
Table 3 BCM400 main unit component descriptions
Component
Base function tray
Advanced function tray
Tray latch
Media bay module (MBM)
bay
MBM ejector
Figure 4 shows the BCM400 main unit standard configuration internal components, while
shows the BCM400 main unit RFO internal components.
components.
N0060612 N0060612
Advanced function tray
Alarm Reset
Status
Base function tray
Description
The sliding base function tray provides call processing functions and interface
connections. See "Base function tray component hardware" on page
The sliding advanced function tray contains a hard disk and a bay for future use. See
"BCM400 advanced function tray" on page
The tray latch enables you to remove the base function tray or the advanced function
tray.
The MBM bay is a slot into which you install an MBM. See
(MBMs)" on page 51.
The MBM ejector enables you to remove an MBM from the MBM bay.
Table 3 describes the main unit components.
37.
Table 4 describes the internal
MBM bays
MBM ejector
39.
"Media bay modules
Figure 5