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At one end of the alarm input/output cable, the RJ-45 connector is used to connect to the ALMI
or ALMO interface on the equipment; at the other end, a connector (made as required on site)
is used to connect to the external equipment or the equipment that monitors all the alarms.
4.9.2 Structure
Structure
shows the structure of the alarm input/output cable.
Figure 4-9
Structure of the alarm input/output cable
W
X1
8
1
RJ-45 Connector
Main label
Pin Assignment
lists the pin assignment of the alarm input/output alarm cable connector.
Table 4-21
Pin assignment of the alarm input/output cable
Connector
Pin
Color
Relati
on
Description
ALMI Interface
Cable
ALMO Interface
Cable
1
White-
orange
Twiste
d pair
Alarm input 1
Positive of alarm output
1
2
Orange
Ground for alarm input
1
Negative of alarm output
1
3
White-green Twiste
d pair
Alarm input 2
Positive of alarm output
2
6
Green
Ground for alarm input
2
Negative of alarm output
2
4
Blue
Twiste
d pair
Alarm input 3
Positive of alarm
concatenation 1
HUAWEI NE40E-X1 & NE40E-X2 Universal Service
Router
Hardware Description
4 Cables
Issue 02 (2011-09-10)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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