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Tummala
Meeting Requirements ... The Simple Way

Train Control Equipment

  • Control Room Equipment
  • 2 Wire Way Station Equipment
  • 4 Wire Way Station Equipment
  • Universal DTMF Way Station Equipment
  • Emergency Control Room Equipment

Telephones

  • 2 Wire Control Telephone
  • 4 Wire Control Telephone
  • Electronic Magneto Telephone
  • Selective Calling Telephone (Group Phone)
  • Handheld Telephone for Emergency Communication
  • 4 Wire Monitoring Telephone
  • Portable Emergency Telephone
  • Signal Post Telephone (Home)
  • Signal Post Telephone (Master)
  • STS Telephone
  • Handset With Microswitch

Interface Equipment

  • 4 Wire - 2 Wire Conversion Unit (Hybrid)
  • Branching Equipment (4way/6way)
  • Microwave Interface
  • Auto Exchange Interface For Accident Site Communication
  • 4 Wire Remote Interface For Accident Site Communication
  • DTMF Test Jig

Power Supplies

  • PSU for Control Room Equipment
  • PSU for Way Station Equipment
  • PSU for Selective Calling Telephone
  • PSU for Signal Post Telephone
Handset With Microswitch
This is an unbreakable handset made out of ABS plastic.
  • Overview
  • Technical Specifications

This is an unbreakable handset made out of ABS plastic. It carries a Press to Talk Switch (PTT) and can be fitted with various types of Receiver and Transmitter Insets as per the customer requirements. Both dynamic and carbon types are available for transmitter capsules. The handset can be connected to any equipment with a coiled cord or flexible PVC Cord and terminations as per customer specifications.

Handset Body: ABS
PTT Switch: Microswitch (1NO and 1NC contact) max current 200mA)
Transmitter Inset: Dynamic / Carbon Type
Receiver Inset: Dynamic
Cordage: 4/6 way PVC cord (as per customer specs)
 
Tummala Electronics Pvt. Ltd.
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