The power cables in the GBSR are used to connect the PDF to the power distribution box. This ensures a stable power supply for the GBSR. The PGND cables are used to connect the cabinet to the PDF or to the grounding bar in the equipment room. This protects the cabinet from electrostatic discharge.
Connections of the Power Cables and PGND Cables (Common Power Distribution Box Configured)
Figure 1 shows the connections of power cables and PGND cables in the GBSR.
Table 1 describes the power cables and PGND cables in the GBSR.
Number |
Description |
|---|---|
1.1 and 1.2; 2.1 and 2.2; 3.1 and 3.2; 4.1 and 4.2; 5.1 and 5.2; 6.1 and 6.2 |
Power cables for the BSC subracks |
7 and 8 |
PGND cables for the cabinet busbar |
9 |
PGND cable for the power distribution box |
10, 11, and 12 |
PGND cables for the BSC subracks |
13, 14, and 15 |
Inter-cabinet PGND cables |
16-23 |
PGND cables for the cabinet doors |
Connections of the Power Cables and PGND Cables (High-Power Distribution Box Configured)
Figure 2 shows the connections of power cables and PGND cables in the GBSR.
Table 2 describes the power cables and PGND cables in the GBSR.
SN |
Description |
|---|---|
1 and 2; 3 and 4; 5 and 6; 7 and 8; 9 and 10; 11 and 12 |
Power cables for the BSC subracks |
13 |
PGND cable connecting the PDB and the busbar |
14, 15, and 16; 17, 18, and 19 |
PGND cables connecting the busbars of different subracks |
20, 21, and 22 |
PGND cables connecting the busbars of different cabinets |
23-30 |
PGND cables for the cabinet doors |