Huawei OptiX OSN 2500 Quick Installation Manual page 26

2
Installing and Routing Power Cables and PGND Cables
a
Connections Between Power Cables
•Connections between power cables (N1PDU)
Internal PGND
cable
Power cables are classified into cabinet power cables and subrack power
cables. The subrack power cables are connected to the power distribution
unit and are bound to the rear column before delivery. Connect the
subrack power cable connector to the PIU board in the subrack during
installation.
- 48 V - 48 V
0 V 0 V
Office power supply
23
PGND cable
Office ground
Subrack power
cable connector
PGND cable
Power cables for the subrack