Bbu Alarm Cable; Figure 4-21 Monitoring Signal Cable Between The Cmua And The Bbu; Table 4-17 Pin Assignment For The Wires Of The Monitoring Signal Cable Between The Cmua And The Bbu - Huawei BBU3900 Hardware Description

4 BBU3900 Cables

Figure 4-21 Monitoring signal cable between the CMUA and the BBU

(1) RJ-45 connector
Pin Assignment
Table 4-17
the CMUA and the BBU.
Table 4-17 Pin assignment for the wires of the monitoring signal cable between the CMUA and
the BBU
X1 End
X1.1
X1.2
X1.3
X1.6
X1.5
X1.4
X1.7
X1.8

4.16 BBU Alarm Cable

The BBU alarm cable transmits alarm signals from an external alarm device to the BBU.
Exterior
The BBU alarm cable has an RJ-45 connector at each end, as shown in
an RJ-45 connector at one end may be removed, and an appropriate terminal may be added
according to the field requirements.
4-22
describes the pin assignment for the wires of the monitoring signal cable between
X2 End
X2.1
X2.2
X2.3
X2.6
X2.5
X2.4
X2.7
X2.8
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Wire Color
White
Orange
White
Green
White
Blue
White
Brown
BBU3900
Hardware Description
Wire Type
Twisted pair
Twisted pair
Twisted pair
Twisted pair
Figure 4-22. However,
Issue 11 (2010-11-10)