4
BBU3900 Cables
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.
The PGND cable ensures the grounding of the BBU.
The E1/T1 cable connects the BBU to the external transmission device and transmits baseband
signals.
4.6 E1/T1 Surge Protection Transfer Cable
4.8 FE/GE Surge Protection Transfer Cable
BBU3900
Hardware Description
4 BBU3900 Cables
Issue 11 (2010-11-10)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
4-1
Summary of Contents for BBU3900
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