Installing And Routing Power Cables; Installing And Routing Alarm Cables - Huawei OptiX PTN 3900 Quick Installation Manual

Installing and Routing cables
3
Installing and Routing Power Cables － Connection of Power Cables (TN81PDU)
Cabinet grounding
Subrack
power cable
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.
To office power supply
A
A
A
Subrack
power cable
connector
PGND cable
PIU PIU
PWRA PWRA
PWRB PWRB
ALM ALM
RTN1(+) NEG1(-) RTN1(+) NEG1(-)
RTN2(+) NEG2(-) RTN2(+) NEG2(-)
PIU PIU
4
Office grounding
bar