Nortel Networks BCM200/400 Telephone User Manual


 
58 Chapter 1 Introduction to the Business Communications Manager Platform Hardware
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Figure 18 BCM200 Media services card
Figure 19 BCM400 Media services card
Warning: External equipment connected to the auxiliary ringer, page relay, page output
and music on hold interfaces must use safety extra low voltage (SELV).
All four interfaces are (SELV) and the external equipment connected to these interfaces
must be SELV. If these interfaces are not SELV, you must use external line isolation units
(LIU).
1 x PEC III
(2 slots)
Bracket
press plate
PCI connector
Auxiliary ringer
Page relay
Page output
Music on hold input
Chassis
mounting
screws
DS30
connectors
Bracket
press plate
PCI connector
Auxiliary ringer
Page relay
Page output
Music on hold input
2 x PEC III
(4 x slots)
Chassis
mounting
screws
DS256 (to expansion unit)
DS30
connectors