supply of single section digital axle counter , dc-dc converter card for cel make ssdac as per rdso spec. no. rdso/spn/177/2012 ver. 3 or latest of cel make [ warranty period: 30 months after the date of delivery ] ] , scc2 card for cel make ssdac system as per rdso specn. no rdso/spn/177/2012 ver.3 or latest. make-cel [ warranty period: 30 months after the date of delivery ] ] , modem card suitable for cel make ssdac system as per rdso spec.no. rdso/spn/177/ 2012 ver.3 or latest. make-cel [ warranty period: 30 months after the date of delivery ] ] , relay driver card for single section digital type axel counter as per rdso/spn/177/2012(ver. 3) (latest version & amendment up to date if any) specification (suitable for central electronics ltd. make: ssdac phase reversal type). make- cel [ warranty period: 30 months after the date of delivery ] ] , axle counter conditioning card scc1 (cel make) ssdac as per rdso spec. no rdso/spn/ 1 77 /2012 ver.3 or latest. make-cel [ warranty period: 30 months after the date of delivery ] ] , event logger card for single section digital type axle counter as per rdso/spn/177/2012(ver .3) (latest version & amendment up to date if any), specification. (suitable for central electronics ltd, make ssdac phase reversal type). make- cel. [ warranty period: 30 months after the date of delivery ] ] , micro controller logic card no4 (mlb 2) of cel make for ssdac as per rdso spec. rdso/sp n/177/ 2012 ver 3 or latest of cel make. [ warranty period: 30 months after the date of delivery ] ] , reset box for cel make single section digital axle counter (ssdac) system as per rdso spe cification no. rdso/spn/177/ 2012 (ver.3) or latest of cel make [ warranty period: 30 months after the d ate of delivery ] ] , micro controller logic card no3 ( mlb 1) of cel make for ssdac as per rdso spec. rdso/sp n/177/ 2012 ver 3 or latest. make-cel. [ warranty period: 30 months after the date of delivery ] ]