tender for providing and fixing of ethernet switch for scada networking panel at electricity 765 kv sub-station, unnao.- supply and installtion of iec 61850-3 industrial grade managed ethernet switch of harshman/rugged/kyland/ziv or reputed make kema certified, rack mountable of suitable fiber st ports and copper port, power supply 80 v- 240v. 2 dismantaling and configuration of iec61850 compliance managed ethernet switchs suitable for sas system. 3 checking and troubleshooting of communication architecture of fiber optic ring system and amking it operational for all feeders, fixing/splicing of fiber optics patch cord of damaged fiber if any. 4 supply and fixing of fiber patch cards (lc-st, lc-lc, st-st and multimode) for existing c&r panel relay