8018653 1.1 Installing BSC hardware • 2-39
2.9
Activating the BSC rack
Perform the following procedure to apply power to the BSC rack equip-
ment.
1. Open the front doors on the BSC rack.
2. Set the following PDU power switches to ON:
Note
Your BSC rack may not have the circuit B -
48 Vdc supply line installed or may not be
using all three BSC chassis. In that case,
only activate the PDU switches for circuits
that are actually functioning.
• CIRCUIT A CHASSIS 1 switch
• CIRCUIT A CHASSIS 2 switch
• CIRCUIT A CHASSIS 3 switch
• CIRCUIT B CHASSIS 1 switch
• CIRCUIT B CHASSIS 2 switch
• CIRCUIT B CHASSIS 3 switch
Verify that all fans are operating.
3. Close the rack front doors.
BSC rack power-up is complete.
2.10
Installing BSC modules
This section describes installing the following BSC modules into the
BSC chassis assemblies contained in the BSC rack (see figure 2-25):
•T1 modules
•E1 modules
• Control processor modules (CPM)
• Switching transcoder module (STM)
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