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System Overview Chapter 2 17
System Overview
BCM50b
The BCM50b main unit provides similar functionality to the BCM50 main unit. The difference is
that the BCM50b main unit has two integrated BRI ports replacing the four analog lines on the
RJ-21 telephony connector.
• new CSC with integrated BRI in place of integrated GATI
• keycode BRI ports
Figure 4 BCM50b Front panel
BCM50ba
The BCM50ba main unit provides similar functionality to the BCM50a main unit. The difference
is that the BCM50ba main unit has two integrated BRI ports replacing the four analog lines on the
RJ-21 telephony connector.
Figure 5 BCM50ba Front panel
BCM50be
The BCM50be main unit provides similar functionality to the BCM50e main unit. The difference
is that the BCM50be main unit has two integrated BRI ports replacing the four analog lines on the
RJ-21 telephony connector.
Figure 6 BCM50be Front panel