For checking transmission links on Huawei routers, it is important to know how to check the optical power of 400GE modules or interfaces for troubleshooting and to ensure the desired or optimal range is met. Here are the sample commands for checking the Transmit/Output (TX) and Receive/Input (RX) optical power. display optical-module base information interface <interface-name> <Huawei-Router1>display optical-module base information interface 400GE1/0/0 =============================================================================== Optical Transceiver Base Information =============|================================================================= Card0-Port0 + ————-|—————————————————————– Factor/Module : QSFP-DD Standard : 400ZR Single Wavelength Vendor…
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