Huawei OptiX PTN 3900 - Installing and Routing Power Cables; Installing and Routing Alarm Cables

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Installing and Routing cables
Installing and Routing Power Cables － Connection of Power Cables (TN81PDU)
Office grounding
bar
PGND cable
To office power supply
A
A
Subrack
power cable
Cabinet grounding
A
Subrack
power cable
connector
PIU
PWRB
PWRA
ALM
PIU
RTN1(+) NEG1(-)
RTN2(+) NEG2(-)
PIU
PWRB
PWRA
ALM
PIU
RTN1(+) NEG1(-)
RTN2(+) NEG2(-)
Power cables are classified into cabinet power cables and subrack power cables. The subrack power cables
are connected to the power distribution unit before delivery. Connect the subrack power cable connector to the
PIU board in the subrack during installation.