Description of the problem

Huawei SSN3SL16A OSN2500 SSQ2CXL single board reports PORT_MODULE_OFFLINE alarms, and in severe cases, the optical module can be pulled out directly without unlocking, and the service is interrupted.

Alarm Information

PORT_MODULE_OFFLINE

Processing

If this situation occurs, please replace the optical module of other manufacturers. After insertion, you need to pull the inserted optical module by hand to check whether the optical module is inserted tightly and whether you can pull out the optical module directly without unlocking.

Root cause

Due to the new Feitong SFP module structural components and cage with problems, resulting in the two adaptive locking failure, affecting the module insertion locking, there is a risk of loosening.SSN4SL16A, Q2CXL single board appeared in the report PORT_MODULE_OFFLINE alarm, you can pull out the optical module, such as printed on the top of the word NeoPhotonics, you can judge the new Feitong optical module. If the word NeoPhotonics is printed on the module, it can be recognized as NeoPhotonics, please replace the optical module of other manufacturers to avoid the matching problem.

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