FEC encoding supported by Huawei WDM equipment

Huawei WDM products provide the forward error correction (FEC), high performance forward error correction (HFEC), soft-decision forward error correction (SDFEC), and advanced forward error correction (AFEC) functions on different OTU, tributary, and line boards.
The FEC, HFEC, SDFEC, and AFEC functions help decrease the OSNR requirements of the system at the receive end and extend the transmission distance between optical amplifier sections and regenerator sections. In addition, the FEC, HFEC, SDFEC, and AFEC functions help reduce bit error rate during line transmission and enhance the transmission quality of DWDM networks.
Note that boards that use different FEC modes cannot interconnect with each other.

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