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5 BTS3900 Cables
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
The monitoring signal cable for the PMU transmits the environment alarm information collected
by the PMU to the BBU.
5.8.2 Monitoring Signal Cable for the PSU (DC/DC)
The monitoring signal cable for the PSU (DC/DC) is used for the BBU to monitor the power
status of the PSUs and receive related alarms.
5.8.3 In-Position Signal Cable for the PSU (DC/DC)
The in-position signal cable for the PSU (DC/DC) is used for the BBU to monitor the in-position
status of the PSU.
5.8.4 Monitoring Signal Cable for the Fan Box
The monitoring signal cable for the fan box is used for the BBU to monitor the running status
of 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
5-80
Figure
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
5-108.
BTS3900
Hardware Description
Issue 04 (2011-02-15)
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