supply of trib card, nim & psutrib card, nim & psu,supply of 2 mb tributary card (trib card) for webfil mux as per rdso spec. no. irs - tc 68/2 012 or with latest amendment compatible with existing webfil pd mux working in brc division. [ warrant y period: 30 months after the date of delivery ] ] , supply of network interface module (nim) card compliable for webfil make pdmux as per rd so spec. no. irs:tc 68/2012 (amdt.-1) or latest compatible with existing system working in brc division. [ warranty period: 30 months after the date of delivery ] ] , supply of power supply unit (psu) as per rdso specification no. irs/tc 68/2012 rev.0 a mdt.-1 or latest for webfil make primary mux. [ warranty period: 30 months after the date of delivery ] ]