2 Wire Telephone Equipment
To be utilised with the 2 wire way station hardware that is installed on the way side stations is the 2 wire way station control telephone that Epsilon has created. The transmitter and receiver insets of the two wire way station control telephone are of the dynamic variety. In addition to a buzzer for hooting while the station is called, it contains an LED lamp to signal that the station has been called. With a 600 ohm load impedance at the input and an output voltage of 775 mv across the line, the dynamic type transmitter has a pre-amplifier circuit.