Nortel Networks BCM200/400 - Manual (Page 66)

66 Chapter 2 Introducing the BCM hardware
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Figure 37 BCM400 expansion gateway configuration
BCM components
Refer to the following sections for descriptions of the BCM components:
• “BCM power supply”
• “BCM400 redundant power supply”
• “Power supply adapter cord (international users)”
• “Uninterruptable power supply”
• “Hard disk”
• “RAID upgrade kit”
• “Cooling fan”
BCM power supply
The BCM200 main unit and the BCM400 main unit (standard) use a switched power supply.
Internal cabling routes to the I/O card, media bay backplane, and hard disk. External cabling
extends to the line power supply outlet (see
Figure 38 and Figure 39 ).
Figure 38 BCM200 and BCM400 (standard) power supply (rear view)
Pr M MAla
Pr M MAla
Host:
BCM main unit
and
expansion unit
BCM400 expansion
gateway
IP trunk
PSTN
All stations are
connected to
the Host
Two PSTN trunks
on expansion
gateway
Rear view
Fan
AC power connector
On/off switch