supply of 2mb programmable primary digital drop insert multiplexer. , supply of webfil or similar make 2mb programmable primary digital drop insert multiplex er as per rdso spec no. irs-tc- 68/2012 with latest with conference facility as per technical specifications and other stipulations of tender documents fully wired for 30 channels complete with po wer supply unit, remote control unit, supervision facility and all other common card accessories, install ation materials, manuals etc., .including the following combination of interface cards(1)2w/4w e&m/vf i nterface card (min. 4circuits per card) x 4 nos (total 16 circuits. (2)exchange loop interface card (min 4 circuits per card) x 1 no(total 4 circuits) (3)subscriber hot line interface card(min 4 circuits per card)1 n o (total 4 circuits) (4) 64 kbps g703 data interface card ( min 4circuits per card) x 1 no (total 4 circuits ) [ warranty period: 30 months after the date of delivery ] ]