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   > RPU--


SPEECH CONVERTER MODULE

RPU-- module is intended for digitization of speech signal that is received from intercommunication and switching equipment and for its reconversion; it is also intended for interaction with computing system of -2E terminal in interface card mode.

2. INFORMATION STREAM PARAMETRS AT MODULE INPUT AND OUTPUT
  • Information rate in VOCODER mode is 1200/2400 bit/s, in LINEAR PREDICTIVE VOCODER mode - 1200/2400/9600 bit/s.
  • Signal exchange with terminal computing system - via serial interface.
  • Voice path:

Intercommunication and switching equipment interface provides speech signal and on-line control (TANGENTA, SMPR-ʻ) exchange.
Input resistance - 600 Ohm;
Output resistance - 600 Ohm;
Output level rating value is minus 3.5 dB.
  • Power supply

DC power supply, 6.3V and minus 6.3V voltage, consumption current is up to 0.2A and 0.08A respectively.
  • Operation parameters

Continuous twenty-four-hour operation in the room without attending personnel;
Failure interval - no less than 20 000 hours;
Lifetime - 10 years.
  • Construction parameters

Overall dimensions - 234x168x18 mm;
  • Weight - up to 0,5 kg.
  • Ambient conditions

Operating temperature - minus 40C to 55 C;
Low atmospheric pressure - to 5 mm of mercury column;
Sinusoidal vibration, 10 to 2000 Hz frequency;
Humidity - to 98% at +35C ambient temperature.