Voice and Data Multiplexers

- Voice and Data Digitizers and Adapters

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301-924-7400 EXT 25

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DAWN 2100






TX2100app.jpg (20431 bytes)


Voice interface

    Connector: RJ-11C
    Line Impedance: 600 Ohm
    Ringing Signal: 86Vrms, 20Hz
    Input (Transmit) level: 0-dBm (600 ohms) at 1000 Hz
    produces a 0 dBm digital reference signal Output
    (Receive) level: A 0 dBm0 receivered digital reference
    signal produces either a 0, -3, -6, or -9 dBm (switch selectable) +/- 1dB outpt (600 ohms) at Tip and Ring
    Signal to Noise Ratio: Greater than 20 dB at 0 dBm0
    Idle Noise: Greater than 30dBmC
    Dialing: Supports tone(DTMF) and pulse dialing
    Overvoltage Protection: Per FCC Part 68 requirements


    Data Rates: any rate from 9.6 to 19.2 Kbps
    Signaling Types: Loop start FXS (interface to telephone set), Loop Start FXO (interface to telephone line), or PLAR (hot line between 2 phones)
    Timing: External timing from RS-232 (DCE timed)

Data Inferace

    Data Interface: RS-232C
    Data Format: Syncronous (all speeds) from 9.6 to 19.2 Kbps


    power: 90 to 140 VAC, 60Hz
    Environment: 0-50 degrees C, up to 95 % RH non-condensing
    Size: 1.6 X 7.8 X 11 in. (H X W X D)
    Indicators: Power, RCV, SYNC, XMT, Busy, RCV busy


Two year limited warranty. Extended warranty available. Meets Applicatable Requirements of FCC part 68 and part 15, Subpart J. Specifications subject to change without notice. 


  • 8 Kbps (9.6 Kbps output) to 16 Kbps (19.2 Kbps output) voice, user selectable 
  • Starndard RS-232C/D type syncronous data port interface (DB-25 female connector) 
  • Two-wire loop signaling voice interface, through RJ-11C modular jack 
  • Supports FXO, FXS or PLAR type signaling 
  • Attractive compact desktop case 
  • Integral ringing generator 
  • Supports DTMP and pulse dialing 




  • Maximizes link utility, with communications-quality or high quality voice circuits 
  • Standard data connection 
  • Simplifies installation 
  • Flexible to support an array of applications 
  • Stand alone operation 
  • Maximizes flexibility of usage