Telephone Trainer Manufacturer,Supplier and Exporter in India
Product Code : EL-EELE-11303
Quick Answer: The Telephone Trainer takes its power from an external telephone line and offers both pulse and tone dialling, with the complete circuit printed section by section on a single-sided PCB. There are 35 test points and LEDs on the board for studying the signals.
Last updated: October 2026
Key Features
Powered from the telephone line; no separate power supply needed.
Pulse and tone dialling with a 4 x 3 matrix keyboard.
35 test points and LEDs on the board.
Dialler and ringer sections, with ringer volume and speed controls.
Mute, redial, flash, pause and ON/OFF hook switches; redial up to 32 digits.
One telephone handset; weight about 4 kg.
Technical Specifications
Specification
Value
Keyboard
4 x 3 matrix
Dialling
Tone and pulse
Redial
Up to 32 digits
Dial pulse rate
10 pps +/- 10%
Tone frequency
430 Hz
Speech path
Fully non-blocking
Ports
One line-in, one handset
Input power
From telephone line
About This Product
The single-sided board is printed to follow the flow of the whole system, giving students hands-on work with basic telephony, from dialling by pulses or tones to the ringer and the speech path. Indicators for line-in, hook, tone and ringer, and call mute show which section is active during each experiment.
Frequently Asked Questions
Does the Telephone Trainer need a power supply?
No. It is powered from an external telephone line, so no separate power supply is required.
Which dialling methods can be studied?
Both pulse and tone dialling. The dial pulse rate is 10 pps +/- 10% and the tone frequency is 430 Hz.
What comes with the trainer?
An experiment manual, accessories and one telephone handset. The board carries 35 test points and LEDs for indication.
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