ZXC10-BTS (V5.4) Installation Manual
5-4
1
2
3
4
5
6
6-core power connector
for backplane
Locating key
Lug for busbar
- 48V
GNDP
GND
- 48VGND
Blue
Yellow
Black
Black
Fig. 5.3-3 Connection between Busbar and Backplane
End B of the power cable on the busbar usually has been connected before delivery. If
the backplane of the plug-in box has been installed, the End A of the cable has been
connected to the backplane. Only when the equipment capacity is to be expanded or the
backplane is to be replaced, the power cables need to be connected on site.
1. Connection between the DC distribution cabinet and the DC distribution panel
The PE grounding bar of the DC distribution cabinet must be reliably connected
to the protective grounding bar provided by the carrier through the yellow/green
wire with the copper core, plastic insulation layer and the same diameter as the
power cable.
The two -48V terminal blocks of the DC distribution cabinet should be reliably
connected to the -48V DC negative busbars of the active/standby DC
distribution panels respectively. The GND terminal blocks of the DC distribution
cabinet should be reliably connected to the -48V DC positive busbars of the
active/standby DC distribution panels respectively.
If there is no DC distribution cabinet, PE wiring terminals of the cabinets must
be reliably connected with the protective terminal blocks provided by the carrier.
The power cables led out from -48 V and GND wiring terminals of each cabinet
are directly connected to the -48V DC negative busbar and -48V DC positive
busbar of the DC distribution panel.
2. Connection between the DC distribution cabinet and the cabinet
Connect one end of the -48V power cable (blue, 16 mm2) to the -48V wiring
terminal on the filter of the cabinet, and the other end to the -48V busbar of the
DC distribution cabinet.
