Installation Procedures
950-818-100-01, Revision 01
12
November 30, 1999
PCS-818 List 1
Single-Source Powering
The entire shelf can be powered from a single source of –48 Vdc power fused at 20 amps. To connect the
single-source powering, do the following:
1
Ensure that the frame ground connection is in place.
2
Connect a wire to the –48A terminal at TB1 (
). Connect the opposite end of this wire to the –48 Vdc
CO battery supply at the fuse panel.
3
Connect a wire to the Battery Return terminal in position 4 of TB1. Connect the opposite end of this wire to
the battery return of the CO battery supply at the fuse panel.
4
Connect a jumper wire from the –48A terminal of TB1 to the –48B terminal of TB1.
Figure 8.
Single-Source Power Wiring
