supply of cpu card,modem (e1-rs232),control & communication card,dc - dc converter,automatic media changeover system.cpu card,modem (e1-rs232),control & communication card,dc - dc converter,automatic media changeover system.,cpu card compatible with existing deltron make ufsbi system as per rdso specification no. irs:s - 105/2012 ver. 0 or latest. , modem (e1-rs232) compatible with existing ufsbi system to work on backup media ofc (vai unframed e1-2 mbps from stm interface) working voltage 24 vdc (+/- 20%), & operating temperature:- 10 deg. c to +70 deg.c the modem shall be compatible with ufsbi/existing block system as per rdso spec irs s: 105/2012 or latest. suitable for deltron make ufsbi system. , modem (e1-rs232) communication card compatible with existing deltron make ufsbi system. , automatic media changeover system of modem for working on redundant channels of ofc and 6 quad for data transmission and seamless operation of ufsbi over multiple media suitable for existing deltron make ufsbi. , control & communication card compatible with deltron makes ufsbi as per spec. no. irs: s- 105/2012 ver 0. or latest. , dc - dc converter [hot standby type] card compatible with existing deltron make ufsbi system for ibs as per rdso specification no.irs: s: 105/2012 (version.0 or latest), => limited