Supply of High Availability Single Section Digital Axle Counter (HASSDAC) system complete as per RDSO specification RDSO/SPN/ 177/2012 Ver. 3.0 or latest. The system shall consist of the following: a)Track side high availability digital axle counter unit - 2 No. b) Axle detectors (Each set consists of web mounting type 2 No Tx coils and 2 numbers Rx coils) - 2 sets c) Vital relay box - 2 numbers. Each box shall be wired with following relays. d) Vital Relay QNA1K, 24V, 6F/6B - 2 No. e) Reset R (Индия - Тендер #71447267)