The monitoring signal cable for the EMU transmits monitoring signals from the EMU to the
BBU.
5.8.7 Monitoring Signal Cable for the GATM
The BBU alarm cable transmits alarm signals from an external alarm device to the BBU.
5.8.10 Signal Cable for the ELU
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.
Exterior
shows the monitoring signal cable for the PMU.
Figure 5-109
Monitoring signal cable for the PMU
(1) RJ-45 connector
Pin Assignment
describes the pin assignment for the wires of the monitoring signal cable for the
PMU.
Table 5-73
Pin assignment for the wires of the monitoring signal cable for the PMU
X1 End
X2 End
Wire Color
Wire Type
X1.1
X2.1
White
Twisted pair
X1.2
X2.2
Orange
X1.3
X2.3
White
Twisted pair
X1.6
X2.6
Green
BTS3900
Hardware Description
5 BTS3900 Cables
Issue 04 (2011-02-15)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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