supply of supply of 2mb programmable primary digital drop insert multiplexersupply of 2mb programmable primary digital drop insert multiplexer,: supply of 2mb programmable primary digital drop insert multiplexer with conference facility as per technical specification no.irs/tc/68/2012, rev. 0, or latest without maintenance portable terminal, f ully wired for 30 channels with redundant power supply unit, remote control supervisory facility and all oth er accessories, installation material, technical manuals etc. the mux shall be supplied with full capacity of cards i.e. 2 card for 2w subscriber interface circuits, 2 card for 2w exchange loop, 4 cards for 4w e&m vf c ircuits . each card should preferably be of minimum 4 circuits. this includes supply of male/female jacks an d accessories as required as per the design of mux. make:- webfil .