Sydney Trains Services Descriptor

Descriptor, Meaning

  • AR, Abandoned route
  • C, Copper communications cable
  • CA, Compressed air
  • CCTV, Closed circuit television
  • CUL, Culvert
  • DC, 1500 V dc system cable
  • EB, Electrolysis bond cable
  • HV, High voltage – Voltages greater than 1000 V ac or 1500 V dc
  • LV, Low voltage power -Voltages less than or equal to 1000 V ac or 1500 V dc
  • OF, Optic fibre cable
  • S, Signal cable
  • SD, Station data (Smartcard and miscellaneous data cabling)
  • S&C, Signal cable and copper communications cable
  • TD, Track drainage
  • USM,  Un-coded service mix
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