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835M speech module.

FOR “1+1” SYSTEMS

Videx 835M speech modules are  for the older 800 series panels. Only very limited stock.

 

 Features:

  • The speaker unit circuitry includes:
  • The voltage rectifier and stabilizer circuits;
  • The modulated tone generator;
  • The transmitting amplifier with condenser microphone and volume control;
  • The receiving amplifier and volume control;
  • The audio balance circuit with the relevant “BALANCE” control;
  • The voltage reader circuit: depending on the voltage changes caused by picking/hung up the handset the circuit enable or disable  speech line and door open;
  • The enslavement relay to enable the electric lock (one contact normally open which closes to ground on door open signal);
  • 2 LEDs to illuminate the name plate (except the 835M-0 model).
 
The version 835M-0 has not the terminals “P1”, “P2”, and “C1”.
On the 835M-1, terminal “P2” is not fitted

Videx 835M speech modules 1 button

SKU: 498
£41.20 Regular Price
£30.90Sale Price
  • Audio Door Entry Deal