Bbu3900 Cables - Huawei BBU3900 Hardware Description

BBU3900
Hardware Description
About This Chapter
This describes the BBU3900 cables. The cables are the PGND cable, power cable,E1 cable, E1
surge protection transfer cable, FE cable, FE surge protection transfer cable, Iub optical cable,
monitoring signal cable between the APMI and the BBU, CPRI optical cable, alarm cable,
EMUA signal cable, monitoring signal cable between the CMUA and the BBU, and GPS clock
signal cable.
4.1 List of BBU3900 Cables
This describes the BBU3900 cables. The cables are the PGND cable, BBU power cable, E1/T1
cable, E1/T1 surge protection transfer cable, FE/GE cable, FE/GE surge protection transfer
cable, Iub optical cable, CPRI optical cable, APMI-BBU monitoring signal cable, BBU alarm
cable, EMUA monitoring signal cable, Monitoring signal cable for the HEUA and GPS clock
signal cable.
4.2 PGND Cable
The PGND cable ensures the grounding of the BBU.
4.3 BBU Power Cable
This section describes the BBU power cable. Either -48 V power cable or +24 V power cable
can be used, depending on the power supply scenario.
4.4 BBU Power cable(OMB)
The BBU power cable in the OMB is used to supply -48 V DC power to the BBU and HEUA.
The DC OMB and AC OMB require different power cables between the BBU and the HEUA.
4.5 E1/T1 Cable
The E1/T1 cable connects the BBU to the external transmission device and transmits baseband
signals.
4.6 E1/T1 Surge Protection Transfer Cable
This section describes the E1/T1 surge protection transfer cable connecting the UELP to the
transmission board. This cable is optional.
4.7 FE/GE Cable
The FE/GE cable connects the BBU to the transmission device through routing devices and
transmits baseband signals.
4.8 FE/GE Surge Protection Transfer Cable
Issue 11 (2010-11-10) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
4

BBU3900 Cables

4 BBU3900 Cables
4-1