The optical module is faulty or not securely installed. If the transmit optical power is abnormal, replace the optical . An optical module is a critical component in modern optical communication systems, directly affecting transmission stability, network reliability, and operational efficiency. However, during installation and daily operation, various issues may arise. Understanding the most common. 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. Understanding how to troubleshoot and prevent a failing optical module is vital for good network stability. This article will help you understand various warning signs for common faults, suggest practical troubleshooting steps, and share preventive inspections and maintenance, so you can do your.