Monitoring Signal Cable For The Transmission Cabinet; Figure 4-17 Monitoring Signal Cable Between The Apmi And The Bbu - Huawei BBU3900 Hardware Description

4 BBU3900 Cables
Structure
The monitoring signal cable between the APMI and the BBU has an RJ-45 connector at one end
and four bare wires at the other end.
the APMI and the BBU.

Figure 4-17 Monitoring signal cable between the APMI and the BBU

Pin Assignment
Table 4-13
the APMI and the BBU.
Table 4-13 Pin assignment for the wires of the monitoring signal cable between the APMI and
the BBU
Pin on the
RJ-45
Connector
X1.1
X1.2
X1.4
X1.5

4.12 Monitoring Signal Cable for the Transmission Cabinet

The monitoring signal cable for the transmission cabinet is used to connect the alarm ports of
the APMI, DCDU, and door status sensor to the BBU.
Appearance
One end of the monitoring signal cable is an RJ-45 connector and the other end consists of three
pairs of wires in different colors, as shown in
4-18
describes the pin assignment for the wires of the monitoring signal cable between
Color X2 to X5 Ends
White X2
Orange X3
Blue X4
White X5
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Figure 4-17 shows the monitoring signal cable between
Description
Twisted pair
Twisted pair
Figure 4-18.
BBU3900
Hardware Description
Terminal on the
APMI
TX+
TX-
RX+
RX-
Issue 11 (2010-11-10)