4 Wire-2 Wire Light Weight Portable Control Telephone

This Light Weight Portable Control Telephone, which was first enclosed in ABS Plastic Moulded Box by Epsilon, is a part of the 4 Wire / 2 Wire Emergency Train Traffic Control System.  This telephone provides inter communication between any way side point along the train route and the controller with 4 Wire / 2 Wire PECT.  This Telephone can be connected through 6 Pin Socket located along the Railway Track in 4 Wire side or 2 Wire side. The Telephone has Trans and Receive dry cells.  With the aid of a Switch, the battery is connected to the circuit and with the aid of another switch, this telephone can be selected for 2 Wire / 4 Wire operation.

The Light Weight Portable Emergency Control Telephone consists of:

• Receiver Inset is Electro Dynamic Type conforming to Spec. No. IRS:TC:74/97.

• Transmitter – Condenser Microphone is used.

• Glass Epoxy board is used for better environmental performance.

• Ferrite Core Transformers are used for miniaturization and better quality performance.

• High reliability Press to Talk, 2 Wire / 4 Wire Selection and ON-OFF Switches LCSO approved type are used.

• The telephone body is of ABS Plastic.