Huawei OptiX PTN 3900 - Page 20

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5
Installing and Routing cables
Installing and Routing Alarm Cables － Alarm Interfaces
1
2
5
4
3
6
7
8
Alarm input 1
Alarm input interface （ALMI1）
Ground of alarm input 3
Pin
Funciton
Alarm input 2
Alarm input 4
Alarm input 3
Ground of alarm input 1
Ground of alarm input 2
Ground of alarm input 4
1
2
5
4
3
6
7
8
Alarm input 5
Alarm input interface （ALMI2）
Ground of alarm input 7
Pin
Alarm input 6
Alarm input 8
Alarm input 7
Ground of alarm input 5
Ground of alarm input 6
Ground of alarm input 8
1
2
5
4
3
6
7
8
Alarm output signal 1 (positive)
Pin
Alarm output signal 1 (negative)
Alarm concatenation signal 1 (negative)
Alarm concatenation signal1 (positive)
Alarm output signal 2 (positive)
Alarm output signal 2 (negative)
Alarm concatenation signal 2 (positive)
Alarm concatenation signal 2 (negative)
Alarm concatenation and output interface (ALMO1)
Funciton
Funciton