Monitoring Signal Cable For The Pmu; Figure 5-109 Monitoring Signal Cable For The Pmu; Table 5-73 Pin Assignment For The Wires Of The Monitoring Signal Cable For The Pmu - Huawei BTS3900 V100R003 Hardware Description

BTS3900
Hardware Description
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
This cable connects the BBU and GATM, enabling the BBU to transmit control signals to the
GATM and enabling the GATM to report alarms to the BBU.
5.8.8 BBU Alarm Cable
The BBU alarm cable transmits alarm signals from an external alarm device to the BBU.
5.8.9 GPS Clock Signal Cable
The GPS clock signal cable is an optional cable that transmits GPS clock signals from the GPS
antenna system to the BBU. The GPS clock signals serve as the clock reference of the BBU.
5.8.10 Signal Cable for the ELU
The signal cable for the ELU is used to report the cabinet type information detected by the ELU
to the fan box.

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
Figure 5-109

Figure 5-109 Monitoring signal cable for the PMU

(1) RJ-45 connector
Pin Assignment
Table 5-73
PMU.

Table 5-73 Pin assignment for the wires of the monitoring signal cable for the PMU

X1 End
X1.1
X1.2
X1.3
X1.6
Issue 04 (2011-02-15)
shows the monitoring signal cable for the PMU.
describes the pin assignment for the wires of the monitoring signal cable for the
X2 End
X2.1
X2.2
X2.3
X2.6
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Copyright © Huawei Technologies Co., Ltd.
Wire Color
White
Orange
White
Green
5 BTS3900 Cables
Wire Type
Twisted pair
Twisted pair
5-81