If possible, remove and reinstall the optical modules to check whether the fault is rectified. If not, run the display version command to check the software. The article Digital Diagnostic Function (DDM) For Optical Modules describes that DDM function can be used for real-time monitoring and fault location of the module's working status, in which the optical module's transmitting optical power and receiving optical power are the key parameters for. 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. How to solve the optical power alarm of optical module in equipment? When we use the optical module, sometimes improper use will lead to abnormal operation of the optical module, so in this case, how should we solve it? Today, ETU-LINK will tell you an answer. Customers have the ability to judge and have clear solutions, but for. This alarm does not affect system operating if the interface on which the optical module is installed works properly. Run the display transceiver slot slot-id verbose command in the system view to check whether the receive power Rx Power of the.