supply of digital axle counter single track section high availability ( hassdac ) with two detection points each detection point with dual track sensor, complete set as per rdso spec. no. rdso / spn / 177 / 2012 version no.03 or latest amendment or specification. complete set each consisting of ( a ) start fed ( sf ) system - 01 no. ( b ) end fed ( ef ) system 01 no. ( c ) reset box - 02 no. ( d ) reset filter - 02 no. ( e ) display unit - 02 no. ( f ) relay box 1vr, 1pr ( each box consisting of q relay series 1000 ohm 6f / 8b- 02 no. ) - 04 no. ( g ) transmitter ( tx ) coil / sensor - 04 no. & receiver ( rx ) coil / sensor 04 no. with mounting arrangement for rail contact & double rail contact with 15 mtrs integral cable. ( h ) deflectors to safe guard rail contact - 08 nos. or with 100% redundancy on cross approval of all equipment ssdac as per rdso specification rdso / spn / 177 / 2012 ( version 3 ) or with 100% redundancy on cross approval of all equipment msdac separately for each track section as per rdso specification rdso / spn / 177 / 2012 ( version 3 ) or msdac / ssdac with latest amendment or specification. [ warranty period: 30 months after the date of delivery ] => limited