DS2 LEGACY SYSTEMS
Wheelchex System  
Wayside system which measures the impact of each wheel of passing trains
 
Hot Axle Box Detector  
Wayside system which detects high temperature axle boxes on passing trains
 
Rolling Stock Monitoring System  
Train data from on-board Train Monitoring System (Alstom)
 
Train Data  
Train movement data and train identification (Network Rail)