In OTN network

ODUk SNCP sub network connection protection as a basic way to protect and use ODUk SNCP to provide business protection above the level of ODUl

so OTN network maintenance

ODUk SNCP protection switching state examination is the focus of daily maintenance.This paper introduces the principle of SNCP protection switching through the HUAWEI OSN6800/8800 equipment

from processing to fault location

analyzes the causes of common faults of ODUk and SNCP processing method

and taking the typical fault as an example

detailed description of the processing steps and fault summary

provide a reference for OTN network ODUk SNCP maintenance.