Huawei BBU3900 Installation Manual page 8

Installing the BBU in the APM30
Installing the BBU Case
a
M6 bolt
b
Installing the BBU Cables
Cable connections of the BBU
CPRI signal cable
1、The FE cable is used for the IP transmission.
2、The E1 cable is used for the HDLC transmission.
PDU
BBU
FE transfer cable
FE cable
1. Install the mounting ears at both sides of
the BBU reversely.
2. Slide the BBU case into the cabinet.
3. Check the DIP switches (see appendix).
E1 transfer cable
7
External power supply
External monitoring device
External alarm device
E1cable
Alarm cable
Monitoring signal
cable
Power cable