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Fat AP and Cloud AP V200R010C00 Command Reference

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als restart pulse-interval

als restart pulse-interval


The als restart pulse-interval command sets the ALS pulse interval for the laser of an optical module.

The undo als restart pulse-interval command restores the default ALS pulse interval of the laser of an optical module.

By default, the ALS pulse interval of the laser is 100s.


als restart pulse-interval pulse-interval

undo als restart pulse-interval


Parameter Description Value

Specifies the ALS pulse interval of the laser.

The value is an integer that ranges from 100 to 20000, in seconds.


XGE interface view, port group view

Default Level

2: Configuration level

Usage Guidelines

In automatic restart mode, the ALS pulse interval affects the frequency of detecting the LOS on the interface. A long ALS pulse interval is beneficial for energy saving, but the fiber link recovery cannot be detected in a timely manner. In contrary, a short ALS pulse interval wastes power but the fiber link recovery can be detected immediately.


# Set the ALS pulse interval of lasers on XGigabitEthernet0/0/1 to 150s.

<Huawei> system-view
[Huawei] interface xgigabitethernet 0/0/1
[Huawei-XGigabitEthernet0/0/1] als restart pulse-interval 150
Updated: 2019-11-21

Document ID: EDOC1100064352

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