Touch Tone Digit Monitor (Model DM-4)

The DM-4 is a DTMF Touch Tone monitor that will translate Touch Tones into readable digits on a built-in liquid crystal display. It is the ideal for trouble-shooting communication equipment or for complimenting the 1600 series of Emergency/ Ellevator phones in order to identify the calling location ID.
Decode DTMF Touch Tones
Easily decode DTMF Touch Tones for trouble-shooting communication equipment.

The DM-4 will decode any numeric Touch Tone as well as extended DTMF characters on standard C.O.lines or analog PABX/KSU stations.

The DM-4 is also recommended for decoding the location identification codes built into Viking's 1600A Series, ADA Compliant phones.

  • Decipher DTMF Touch Tones to test communication equipment
  • Decipher DTMF location identification string of ADA Compliant*, 1600A Series emergency and elevator phones
  • Continuously monitors for Touch Tones
  • Easy modular installation
  • User programmable
  • four available display modes
  • Power supply included
  • Large liquid crystal display
  • One year warranty
  • Made in the USA.
  • Power: 120V AC/12V DC UL listed power supply
  • Dimensions: 71 mm x 36 mm x 119 mm (4.7" x 2.8" x 1.4")
  • Shipping Weight: .70 kg (1.5 lbs.)
  • Connections: (1) RJ-11 plug
  • Display: 4 digits, 10 mm (.4") high liquid crystal
  • Environmental: -26° C to 54° C (-15° F to 130° F) with 5% to 95% non-condensing humidity.