Huawei BBU3900 - Monitoring Signal Cable for the Transmission Cabinet; Figure 4-17 Monitoring Signal Cable between the APMI and the BBU

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. Figure 4-17 shows the monitoring signal cable between
the APMI and the BBU.
Figure 4-17 Monitoring signal cable between the APMI and the BBU
Pin Assignment
Table 4-13 describes the pin assignment for the wires of the monitoring signal cable between
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
Color X2 to X5 Ends Description Terminal on the
APMI
X1.1 White X2 Twisted pair TX+
X1.2 Orange X3 TX-
X1.4 Blue X4 Twisted pair RX+
X1.5 White X5 RX-
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 Figure 4-18.
4 BBU3900 Cables
BBU3900
Hardware Description
4-18 Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Issue 11 (2010-11-10)