The TLIN-3, designed and manufactured by Revenga Türkiye, is a weatherproof telephone for railway lines. It comprises 1 main telephone line, to communicate with the Signalling and Electrification Telephone System, and a telephone plug which can connect a portable test phone with the Maintenance Centre. Both lines operating as remote subscribers to the telephone switchboard of the Dispatcher Command Centre.


  • Stainless steel enclosure (painted as required)
  • Protection grade: I P-65
  • Installation on wall or pole
  • Key blocking with door open 
  • DTMF keypad with buttons for speed dialing
  • Handset with armored cord (stainless steel spiral cord)
  • Connection to public and private automatic exchanges
  • Protector for voltage surges
  • Frequency range: 0.3 – 3.4 Khz
  • Powered from telephone exchange
  • Call voltage: 70/80 V- 25/50 Hz
  • Temperature range: -30oC to +70oC
  • Humidity relative: 10% to 95%
  • Dimensions: 300 x 250 x 145 mm
  • Weight: 6 Kg


  • Acoustic and/or optical beacons
  • Connector block for external analog phone (Pins or RJ-11)
  • Led indicator for line busy (for party line connection)
  • Switch for 2 lines
  • Telephone “hotline” with (TLIN-1 model)