Len Local Interface is an operator interface that can connect to various interlocking systems.

PT Len Industri manufactures interface devices with the name LCP (Local Control Panel) and VDU (Visual Display Unit) which function to monitor the function of outdoor signaling devices installed at a station including:

  1. Signal
  2. Exle Counter
  3. Track Circuit
  4. Wesel

In addition, the LCP and VDU also display the train position at a station and also display the status of the power source that is being used for interlocking (PLN or Genset).