HD-1 - Viking Electronics

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Add Touch Tone Capability to PABX Consoles

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Product Details

The HD-1 Handset Dialer is a universal keypad touch tone generator capable of providing DTMF signaling.

The HD-1 permits access via DTMF signaling to beepers, voice mail and banking services from phone system consoles or other equipment which cannot provide Touch Tones. The HD-1 is easily installed in series with modular handsets and headsets or interfaces directly to tip and ring.


  • Add DTMF Signaling to Console Phones for:
    • Beeper paging
    • Voice mail systems
    • Automated attendants
    • Banking services
  • Access control (interfaced with an RC-3 or RC-2A for door/gate control)



  • Easily connects in series with handset and headsets or interfaces directly to tip & ring with optional adapter kit
  • Provides DTMF signaling across a dry pair of wires for in-house applications
  • Compatible with console phone auxiliary handset jacks
  • Powered by 9V battery (provided) or optional PS-1A 13.8V AC adapter
  • “Battery OK” LED indicator
  • Adjustable touch tone volume control
  • Switch selectable transmit (per handset wiring protocol)
  • Optional PS-1A Talk Battery Adapter


  • Power: 9 Volt battery provided. Optional Viking PS-1A (120V AC/13.8V AC 1.25A UL listed adapter)
  • Battery Life: 1 year average (under normal use)
  • Dimensions: 6” x 3.25” x 1.75” (152mm x 83mm x 44mm)
  • Shipping Weight: 2 lbs (0.90 kg)
  • Environmental: 32°F to 90°F (0°C to 32°C) with 5% to 95% non-condensing humidity
  • Connections: (1) handset plug, (1) handset jack, optional connections: (1) RJ11 plug, RJ11 jack