Trackside Signaling Device

The trackside signaling device is installed along the railway to ensure the safe and efficient operation of trains.
It primarily detects train speed, position, and direction to control train movements and maintain safe intervals between trains.

Trackside Signaling Device
  • SCU

    • The integrated SCU (Switch Control Unit) installed on Seoul Metro Line 6 is located in the signal machine rooms of interlocking and equipment concentration stations. It provides interface connections between field station signaling equipment (ATO, MTO, SC, MC) and between field station signaling equipment (ATO) and central control room signaling equipment (CDTS).
  • SCU

    System Configuration

    SCU
  • Key Functions and Features

    • 01
      Enables real-time data transmission and reception with ATO, MC, SC, and MTO in the signal machine room, and provides an interface with the control CDTS
    • 02
      Analyzes the data transmitted and received in real-time between devices to provide users with analytical data
    • 03
      Configured as an integrated system to enhance maintainability
    • 04
      Configured with dual relay to improve system reliability and availability
  • Support Fields

    • Seoul Subway Line 6 Field Station Signal Machine Room
    • Daegu Urban Railway Line 1 Ansim-Hayang Extension Section
      Field Station Signal Machine Room