Installing And Routing E1 Cables - Huawei OptiX PTN 3900 Quick Installation Manual

Installing and Routing cables
3
Installing and Routing Power Cables － Connection of Power Cables (DPD63-8-8)
Cabinet grounding
A
A
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.
PGND cable
To office power supply
Subrack power cable
A
Subrack
RTN1(+) NEG1(-)
power cable
connector
RTN2(+) NEG2(-)
5
Office grounding
PIU PIU
PWRA PWRA
PWRB PWRB
ALM ALM
RTN1(+) NEG1(-)
RTN2(+) NEG2(-)
PIU PIU
bar