Installing And Routing Alarm Cables; Alarm Ports - Huawei OptiX OSN 3500 Quick Installation Manual

4

Installing and Routing Alarm Cables

a

Alarm Ports

1
2
b
Cable Connections and Installation Procedure
Cabinet 1
1
A
A
3
2
A
A
Alarm output ports (ALMO1 and ALMO2)
Pin Signal Designation
Positive critical and major alarm outputs
1
Negative critical and major alarm
2
outputs
Positive minor and warning alarm outputs
3
Reserved
4
Alarm input ports (ALMI1-ALMI4)
Pin Signal Designation
1
Alarm input 1
Ground of alarm input 1
2
Alarm input 2
3
Alarm input 3
4
Cabinet 2
1
A
A
3
2
A
A
4
Pin Signal Designation
Reserved
5
Negative minor and warning alarm
6
outputs
Reserved
7
Reserved
8
Pin Signal Designation
5 Ground of alarm input 3
Ground of alarm input 2
6
Alarm input 4
7
Ground of alarm input 4
8
A
Alarm cascading cable
between subracks
NOTE
A critical or major alarm generated by a subrack will be
reported by the alarm monitor.
46
A
Upper subrack
Lower subrack
Alarm cascading cable
To the alarm monitor