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D.T.M.F.

NC400 | NC401 | NC404 | NC405 | NC409 | NC421 | NC4000

NC400 D.T.M.F. Multi-Function Decoder with Relay Outputs

The Model NC400 is a unique miniature D.T.M.F. Decoder, using relayed outputs for selective control of remote applications. The NC400 combines three distinct, multi-addressable D.T.M.F. Decoders in one highly versatile unit, offering multiple user-configurable functions through microcontroller technology and NorComm's custom software. The NC400 decodes all 16 standard D.T.M.F. characters, with address lengths of 1 to 14 digits and features Flash memory for non-volatile storage of programmed codes, input and output functions, remote programming, deadbeat disable, user output plus Default Reset.

The Model NC400 is easily programmed by means of a conventional D.T.M.F. Encoder or the Model NC501 Programmer. All information programmed remains intact regardless of power interruptions. Coupled with a unique software design and integrated D.T.M.F. filter/detector, the NC400 equips your communications network with a stable dynamic D.T.M.F. Decoder that is totally user friendly.

FEATURES:
Size: 2.0" W x 3.65" L x 0.5" H (Without optional plastic enclosure)

  • Primary Decoder
    • Latched Relay Output
    • Call Light Output
    • Momentary Relay Output
    • Tone Alert Output
    • Decode Delay
    • Transponder Functions
    • Timed Latch Reset
    • Call Reset
    • Group Call
    • All Call
    • Group Call reset
    • All Call Reset
    • PTT Input
    • Transmit Time-out Timer
    • Busy Lock-out
    • Monitor/Reset Input
    • PTT/TX Keying Select
  • Secondary Decoder "User" Mode
    • Latched Relay Output
    • Transponder Functions
    • Call Reset
  • Secondary Decoder "Deadbeat Disable" Mode
    • Latched Relay Output
    • Transponder Functions
    • Deadbeat Disable Check
  • Third Decoder "Remote Programming"
    • Distinct from Primary and Secondary Decoders and responds to a separate three (3) digit address.
For complete details see the NC400 Manual

NC400Shown with optional plastic enclosure

 

NC401 D.T.M.F. Sub-Miniature Multifunction Decoder

The Model NC401 is a unique micro-miniature Touch-Tone Decoder designed for selective calling of fleet dispatched vehicles, mobile telephone systems, or for control of remote applications. The NC401 combines three distinct, separately addressable D.T.M.F. Decoders in one highly versatile unit, offering multiple user-configurable output functions through microcontroller technology and NorComm's custom software. The NC401 decodes all 16 standard D.T.M.F. Characters with an address length of 1 to 14 characters and features E2Prom memory for nonvolatile storage of programmed codes, input and output functions, remote programming, deadbeat disable and user outputs. The NC401 is easily programmed by means of a conventional D.T.M.F. Encoder or the Model NC501 Programmer.

FEATURES:
Size: 0.80"W x 1.38"L x 0.23"H

  • Primary Decoder
    • Latched Output
    • Call Light Output
    • Momentary Output
    • Tone Alert Output
    • Decode Delay
    • Transponder Functions
    • Timed Latched Reset
    • Call Reset
    • Group Call
    • All Call
    • Group Call Reset
    • All Call Reset
    • PTT Input
    • Transmit Time-out Timer
    • Busy Lockout
    • Monitor/Reset Input
    • PTT/TX Keying Select

For complete details see the NC401 Manual

NC401  DTMF Decoder

 

NC404 D.T.M.F. Sub-Miniture Encoder

The Model NC404 is a sub-miniature digital synthesized Touch-tone Encoder using a precision crystal controlled CMOS tone generator. This digital synthesized tone generator provides low current drain, all 16 standard D.T.M.F. tones and excellent frequency stability over a wide temperature range. Extensive circuitry by-passing and a copper plane designed P.C. Board provide excellent immunity to RF problems commonly associated with hand held transceiver applications. The NC404 is designed to mount directly to the back of a 12 or 16 button keypad or can be wired separately for applications where there is limited space.

FEATURES:
Size: 0.85"W x 1.0"L x .15"H

  • Easy interfacing
  • Adjustable audio output
  • Single tone capability for test and level adjustments
  • Fits most hand held radios
  • 12" colored flying leads
  • Crystal controlled
  • Operating voltage 5.5VDC to 24VDC
  • Encodes all 16 Touch-tone characters

For complete details see the NC404 Manual

NC404 DTMF Encoder

 

NC405 D.T.M.F. Multi-Function Decoder with Five Relay Outputs

The Model NC405 is a unique miniature D.T.M.F. Decoder, using relayed outputs for selective control of remote applications. The NC405 combines five distinct, multi-addressable D.T.M.F. Decoders in one highly versatile unit, offering multiple user-configurable functions through microcontroller technology and NorComm's custom software. The NC405 decodes all 16 standard D.T.M.F. characters, with address lengths of 1 to 14 digits and features Flash memory for non-volatile storage of programmed codes, input and output functions, remote programming, plus Default Reset.

The Model NC405 is easily programmed by means of a conventional D.T.M.F. Encoder or the Model NC501 Programmer. All information programmed remains intact regardless of power interruptions. Coupled with a unique software design and integrated D.T.M.F. filter/detector, the NC405 equips your communications network with a stable dynamic D.T.M.F. Decoder that is totally user friendly.

FEATURES:
Size: 2.0" W x 3.65" L x 0.5" H (Without optional plastic enclosure)

  • Latched/Momentary Relay Output
  • Call Light Output
  • Tone Alert Output
  • Decode Delay
  • Transponder Functions
  • Timed Latch Reset
  • Call Reset
  • Group Call
  • All Call
  • Group Call reset
  • All Call Reset
  • Transmit Time-out Timer
  • Busy Lock-out
  • Reset Input
  • PTT/TX Keying Select
For complete details see the NC405 Manual

NC405Shown with optional plastic enclosure

 

 

NC409 D.T.M.F. Sub-Miniature A.N.I. Encoder with Multiple Alarm Functions

The Model NC409 is a unique micro-miniature Touch-tone Encoder with field programmable A.N.I., memory dial and last number redial capabilities, plus transmit time-out timer, channel busy lockout and microphone mute function. The NC409 is completely self-contained and is designed to automatically or manually generate all 16 standard D.T.M.F. Characters E2Prom memory provides nonvolatile storage of user programmable memories and input/output configuration and it is easily programmed by means of any standard D.T.M.F. keypad or the Model NC501 Programmer.

FEATURES:
Size: 0.85"W x 1.36"L x 0.235"H

  • Choice of operating modes: Manual or Automatic priority. (Alternate mode is easily accessed)
  • A pause, stop, or change in data rate may be inserted anywhere within an A.N.I. or number memory.
  • A.N.I. activation by "*" or "#" or PTT circuitry.
  • Transmit time-out timer (0-120 seconds, Q disabled) with audible alert to limit transmission time.
  • Busy channel lockout with audible alert to prevent transmitting on busy frequency.
  • Microphone mute output to mute mic when encoding.
  • User configurable PTT input, busy lockout input and PTT keying output.
  • Four (4) line binary input for activation of eight (8) of the memories without use of a keypad.
  • Special alarm status Mode: A memory designated by the user as an alarm code will provide the following features:
  • User programmable rate and duration of alarm code repetition.
  • PTT keying "hang" (enable/disable) to provide continuous monitoring of conversations or sounds via units microphone during alarm status.
  • Alarm reset input terminates repeat cycle.
  • Alarm delay provides a grace period before activation of alarm code.

For complete details see the NC409 Manual

NC409 DTMF ANI Encoder

 

NC421 Comm Call™ Mobile Dash Mount D.T.M.F. Decoder

The Model NC421 is a multi-function Touch-tone Decoder enclosed in a smartly styled high impact plastic case with front panel call light and illuminated membrane switching of horn and reset/monitor functions. The Model NC421 combines three distinct, separately addressable D.T.M.F. Decoders in one highly versatile unit offering multiple user-configurable functions through microprocessor technology and NorComm's custom software.

FEATURES:
Size: 2.4"W x 3.8"L x .925"H

  • Field programmable by use of a standard D.T.M.F. Encoder or the optional NC501 Programmer
  • Decodes any combination of 16 D.T.M.F. characters
  • Address length of 1 to 14 Digits - Primary Decoder
  • E2Prom memory for nonvolatile storage
  • Deadbeat disable
  • Horn output
  • Latched output
  • Auxiliary output
  • Group call
  • All call
  • Transponder
  • Busy lockout
  • Remote programming
  • Address length of 1 to 14 Digits - Secondary Decoder
  • Remote programming decoder (3 digits)
  • Comes complete with color coded 3 ft. interfacing cable and connector

For complete details see the NC421 Manual

NC421 Mobile Dash Mount DTMF Decoder

 

NC4000 D.T.M.F. Multifunction Encoder/Decoder with Relayed Outputs

The Model NC4000 is a uniquely engineered multi-function D.T.M.F. Encoder/Decoder designed for control of remote applications or as a compatible replacement for Speedcall's Model C527 Series decoders. The NC4000 provides 11 modes of operation, 16 relayed outputs and 14 sense inputs with status verification reporting of all active functions. The NC4000 uses the standard Dual-tone Multi-Frequency (D.T.M.F.) signaling format and may be operated over wireline, microwave, voice grade radio or telephone systems using most methods of modulation. Circuit design employs a 0 to 8 digit address with E2Prom memory for storage of programmed modes, address, input/output configurations and is easily programmed in the field by means of a standard D.T.M.F. encoder, optional Local Control circuitry, or the Model NC501 Programmer.
Typical control applications for the Model NC4000 are: Traffic signals, repeater systems, alert sirens, security of remote sites, oil field pumping stations, irrigation and pipeline valves, fuel storage pressure regulators, unattended television monitoring equipment, airport control lighting, alarm sensing devices and upgrading or replacement of older systems using Speedcall's Model C527 series decoder units.

FEATURES:
Size: 4.52"W x 6.5"L x 0.48"H w/o header
Size: 4.52"W x 6.9"L x 0.48"H with header

  • Standard 2 of 8 D.T.M.F. signaling format
  • Field programmable by use of a standard 12 or 16 button D.T.M.F. encoder, optional Local Control, Model NC501 Programmer.
  • Programmed data is stored in nonvolatile E2Prom memory and will remain regardless of power interruption
  • Digit rate programmable from 0.5 to 20 digits per second (D.P.S.)
  • Two operating modes: Manual Status and Autostat
  • Automatic or manual status interrogation
  • 10 modes of output operation in Manual Status mode
  • 16 form "1A" relayed outputs with LED indicators (1 AMP @ 30VDC)
  • 14 input sense circuits provide status monitoring of external conditions
  • 3 programmable configurations for Power-on reset
  • Optional Local Control keypad and circuitry for programming or control of local functions
  • COR input for interrupt of active functions

For complete details see the NC4000 Manual

NC4000 DTMF Encoder/Decoder with Relayed Outputs