Figure 5-107
Cable between two FE optical ports
(1) LC connector
5.7 CPRI Electrical Cable
The CPRI electrical cable enables high speed communication between the BBU3900 and the
RFU.
Exterior
The CPRI electrical cable is an SFP high speed transmission cable that has an SFP20 male
connector at each end, as shown in
Figure 5-108
CPRI electrical cable
5.8 BTS3900 Signal Cable
The BTS3900 signal cables are the monitoring signal cable for the DCDU, monitoring signal
cable for the PMU, monitoring signal cable for the PSU, in-position signal cable for the PSU,
monitoring signal cable for the FAN unit, BBU alarm cable, and GPS clock signal cable.
5.8.1 Monitoring Signal Cable for the PMU
5.8.2 Monitoring Signal Cable for the PSU (DC/DC)
5.8.3 In-Position Signal Cable for the PSU (DC/DC)
5.8.4 Monitoring Signal Cable for the Fan Box
5.8.5 Fan Box Cascade Signal Cable
Fan box cascade signal cable is used to connect two fan boxes.
5.8.6 Monitoring Signal Cable for the EMU
5 BTS3900 Cables
BTS3900
Hardware Description
5-80
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Issue 04 (2011-02-15)