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Tenders are invited for Supply of digital axle counter single track section high availability (hassdac) with two detection points. supply of description :installation, wiring, testing and commissioning of central unit of digital axle counter single tracksection high availability (hassdac) with two detection points set as per rdso spec. no.rdso/spn/177/2012 version no.3 or latest amendment or specification, or with 100% redundancy on crossapproval of all equipment ssdac as per rdso specification rdso/spn/177/2012 (version 3) orrdso/spn/177/2003(version 1) amendment 2 or with 100% redundancy on cross approval of allequipment.msdac separately for each track section as per rdso spec. rdso/spn/176/2005 (version 2)...