Huawei OptiX OSN 9560 Quick Installation Manual page 21

4
Installing Power Cables and PGND Cables
a
Overhead cabling of power cables and PGND cables
DANGER
Do not install or remove a live power cable. Before installing or removing a power
cable, ensure that the cabinet power is cut off.
CAUTION
Install OT terminals correctly by referring to the wiring terminal labels on the plastic
cover of the DC power distribution box.
Use the PGND cable with a cross-sectional area of 35 mm
Overhead cable
tray
Run power cables and PGND cables along the overhead cable tray. Connect PGND cables to the ground
screws on the cabinet top. Thread power cables through the cable holes at the top of the cabinet and run
the cables to the wiring terminals of the DC power distribution box.
Plug the two-hole OT terminals of the power cables into the wiring terminals marked with "RTN (+)" or
"NEG (-)" on the DC power distribution box.
2
.
PGND cable
(yellow and green)
M8 screw
-48 V power cable (blue)
NEG (-)
18
Phillips screwdriver
Adjustable wrench
Power ground cable
(black) RTN (+)