Remove and reinstall the optical module. If the fault persists, replace the optical module with a normal one of the same type to check whether the optical module is faulty. If the fault persists, collect log information and contact Huawei technical support. Customers in the use of optical modules will more or less encounter a variety of failure problems, such as optical module model selection is correct, the use of jumper is correct and some common problems, customers have the ability to judge and have a clear solution, but for some of the use of. Therefore, understanding common optical module problems and mastering systematic troubleshooting methods is essential for maintaining stable optical networks. This article provides a structured overview of it faults, their root causes, effective solutions, and professional diagnostic approaches. If a LOS alarm is displayed, the local optical interface does not receive any optical signal from the remote interface. The device management or driver software has a bug.
