bids are invited for input card compatible with existing ufsbi system , output card compatible with existing ufsbi system , cpu card compatible with existing ufsbi system , controland communication card compatible with existing ufsbi system , dc dc converter hot standby type , mother board compatible with existing ufsbi system fitted in 6u rack , reset box , flat cable set , power monitor and soft start pmss , block telephone complete with ptt handsetsuitable to work with block paneland ufsbi of deltron make. , key switch with 1 no plus 1nc or 2 no config of esbee make suitable to work with block panel , key switch with 1 no plus 1nc or 2 no config of siemens make suitable to work with block panel , led suitable for block panel red 5 no yellow 5 no green 5 no , supply of automatic media changeover of modems working on redundant channels for data transmission on ofc quad , supply of surge protection module suitable for a ufsbi unit with din rail mounting , supply of sc sc type patch cord for fibre modem 20 meter , modem fibre compatible with existing ufsbi system , supply of qn1 relay , supply of ql1 relay , supply of qna1 relay , supply of timer relay , supply of rc relay , supply of miniature oen relay total quantity : 133