The optical module is faulty or not securely installed. The working rate, duplex mode, and. Based on typical issues encountered with optical modules in daily switch applications, this document summarizes basic troubleshooting steps for resolving common faults: 1. Check compatibility between the optical module and switch Most switch brands have specific compatibility requirements. First, the transmission class of the optical module fault investigation and solution method This type of optical module failure mainly includes port not UP, port status is UP but do not receive or send messages, port frequently up or down and CRC error. Specific troubleshooting methods and. Before troubleshooting the issue, please look at our 16 tips for troubleshooting your optical transceiver connections. The following summarizes the main reasons and solutions in the event of failure.
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