Check the optical module s light reception and emission on the device

Execute the following command to view detailed interface and optical module status: ethtool The output includes interface rate, module rate, link status (Link detected: yes is required for normal modu...

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The following uses the Moduletek SFP-10G-LR module connected to a Huawei S6700 switch as an example to introduce how to read information of the connected optical module on a Huawei switch.

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Check whether the local and remote devices use optical modules of the same type but from different vendors. If the connected optical modules have the same wavelength and provide short-distance

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The five parameters have basically decided whether the optical module can work normally. If one of the five parameters is abnormal, ONU registration will be abnormal or packet loss will occur on the link.

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