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48 Chapter 2 Introducing the BCM50 hardware
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Figure 15 Wallmount bracket
Wiring field card (WFC)
The wiring field card (WFC) simplifies the connections of lines and extensions to the main unit.
The WFC installs into the cable management tray of the wallmount bracket and connects to the
RJ-21 telephony connector through a 50-pin header.
The WFC contains 12 eight-pin modular jacks for digital stations, 4 eight-pin modular jacks for
analog trunks, and 4 eight-pin modular jacks for analog stations. The eight-pin modular jacks
accept RJ-45 or RJ-11 modular plugs.
There is also a terminal block for connecting auxiliary equipment and a 50-pin header to connect
to the BCM50 (see Figure 16).
Figure 16 Wiring field card
Te rmi na l
block
Connectors for
digital stations
Connectors
for analog
trunks
Connectors
for analog
stations
50-pin header