This describes the components on the rear panel of the BSC common power distribution box. These components are the power input terminal block, the power output terminal block, and the port used to connect the power distribution box to a service subrack.
Figure 1 shows the rear panel of the BSC common power distribution box.
Figure 1 Rear panel of the BSC common power distribution box
| (1) Power input terminal block | (2) Power output terminal block | (3) Port used to connect the power distribution box to a service subrack |
NOTE: - Figure 1 shows the main ports related to the BSC.
- The port for connecting a service subrack is connected to the lowest service subrack in the cabinet through the monitoring signal cable of the power distribution box.
The wiring terminals for the -48 V power cable and RTN power cable are labeled -48V and RTN on the power input terminal block and power output terminal block.