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      What are the different voltages for a Digivoice system?

      See here the different voltages for terminals in the Digivoice system.

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         Part numberTerminalsVoltage1038/20 power supply  0V - + V  24V DC1038/34-35 Decoder0V - + V24V DC1038/5-13-16 entry panel0V - + V24V DC

      0V - D (DU, DE)  

      1038/20 power supply          24V DC

      1038/34-35 Decoder

      1038/5-13-16 entry panel

      0F - +F


      1038/20 power supply         33V DC

      1038/5-13-16 entry panel


      FA - FB (FA1 – FB1)                 

      1038/34-35 Decoder           25V DC after a call1038/5-13-16 entry panel 13V DC after handset lifted


      R1 - R2 1742/20

      Power supply                         18 V DC

      789/2 Power supply

      789/3 Power supply

      1794/4 Video distributor

      Video monitor wall bracket


      R1 - +TC    

      1755/40,70,80,81 Camera  18V DC after a call


      0V - CA

      1038/35 Decoder                   5V DC

                                                    (10V DC after a call)


      0V - CV    

      1038/35 Decoder                   0V DC

                                                     (3V DC after a call)