Desk Type Signal Post Telephone forms a convenient mode of talking to the train driver using the outdoor post telephone, and exchange private numbers for movement of trains held up at the home signal. The Telephone has table top mounting. The Telephone consists of voice communication equipment with switching arrangement, a loud speaker, buzzer and LED indications for power on and ringing. The Telephone works on a 12 V DC power source and requires only one pair of dedicated wires to be connected with the outdoor post telephone. The Desk Type Signal Post Telephone is designed for rugged use and facilitates hands free listening without the necessity of a handset.
