supply of digital drop/insert multiplexerdigital drop/insert multiplexer,supply of 2mb programmable primary digital drop/insert multiplexer with conference facility as per rdso specification no.68/2012 with amendment no.1 or latest wired for 30 circuits complete with p ower supply, control and basic/common cards(i.e psu-02,trib-01 & nim-01)remote control supervision fac ility and all other accessories. the multiplexer shall equipped with interface cards: [a]2w/4w e&m(4ckts pe r card)-4nos.[b]fxo/exchange loop(4ckts per card)-2nos.[c]fxs/subscriber(4ckts per card)-02nos.make:-w ebfil or similarcompatible with existing webfil mux installed in adra division. [ warranty period: 30 mont hs after the date of delivery ] ]