Description and Specification for Lab Tenders
Astra Scientific Telephone DTMF Trainer.
Technical Specifications:
• ON/OFF Hook Switch, Dialer, Ringer, Speech processing section
• DTMF (Tone) and pulse dialing
• Special Test points provided to observe isolated dual frequency output during DTMF dialing
• Built-in power supply
• Necessary test points & LEDs provided to observe various signals
• Facility to fault creation for each block/each circuit
• Mimic diagram provided in the panel for easy understanding of various blocks
• Detailed Documentation
Standalone operation
Handset connection port (RJ45) * 4 × 4 Matrix Keyboard
DTMF and pulse dialing, ON/OFF hook switch
Ringer volume control
Indication for Line ON/Pulse Dialing indication Tone, Dialing indication
4 Nos. of Switch Faults
