Huawei OptiX OSN 2500 Quick Installation Manual page 27

•Connections between power cables (DPD100-2-8 PDU)
B-RTN1(+)
A-RTN1(+)
B-NEG1(-)
A-NEG1(-)
-48 V
-48 V
0 V
0 V
Office ground
a
a
PGND cable
Power cables for the subrack
DPD100-2-8 PDU Ground Point
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.
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