Description and Specification for Lab Tenders
Astra Scientific Telephone Trainer.
Telephone Trainer
The
Telephone Trainer presenting by Vinytics is a complete kit to understand
the working of telephone instruments with the idea of working of
exchange.
The trainer has DIP switches to create the faults in
the instruments and test points to give the complete idea about the
servicing/working of telephone instrument.
Based on Basic Telephone Instrument Circuits.
16 Fault creating switches for different sections.
Circuit
Diagram on board describing different sections in telephone like Line
protector, Voltage dropper, Ringer, Dialer, Key matrix, Sound amplifier
section etc.
Test points to measure the signals in different sections.
Can be use as normal telephone instrument.
User's manual with fault finding