The optical module s receiver and transmitter were inserted incorrectly
If it is not a Huawei-certified optical module, replace it with a Huawei-certified optical module. 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. They convert electrical signals to optical signals for transmission over fiber optic cables and then back to electrical signals at the receiving end.
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