supply of supply of 2 mb programmable primary digital drop insert multiplexer complete with all accessories.supply of 2 mb programmable primary digital drop insert multiplexer complete with all accessories.,supply of 2 mb programmable primary digital drop insert multiplexer complete with all acces sories asper rdso specification no. irstc-68/2012 rev.0. amdt.1 including cables and connectors required for connectivity with existing sdh equipment. the di mux shall be fully wired for 30 channels and equippe d with (a) power supply card - 02 nos. (b) nim card - 01 no (c) tributary card - 01 no. (d) 2 w/4 w e&m ca rd (4 circuits per card) - 04 nos.(e) 2 w subscriber loop interface card (4 circuit per card) 02 no and (f) 2 w exchange loop interface card (4 circuits per card) - 01 no. note: mux should be compatible with existing nms & pd mux of webfil . make :-webfil limited kolkata [ warranty period: 30 months after the date of delivery ] ]