Aztech 56K External Modem (EM3900)  

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PRODUCT SPECIFICATIONS

MODEM STANDARDS

  • V.90, K56 flex™, V.34+, V.34, V.32bis, V.32, V.23, V.22bis, V.22, V.21, Bell 103 and Bell 212A

MODEM DATA RATES

  • 56K/33.6/28.8/26.4/24.0/21.6/ 19.2/16.8/14.4/12.0/9.6/7.2/4.8/ 1.2Kbps and 300bps

DATA THROUGHPUT

  • Up to 230,400bps (with compression) and 57,600bps (without compression)

ERROR CORRECTION

  • V.42 LAP-M and MNP 2-4

DATA COMPRESSION

  • V.42bis and MNP-5

FAX MODULATION

  • V.17, V.29, V.27ter, V.21 channel 2 Class 1 and Group 3 protocol

SPEAKERPHONE FEATURES

  • Full duplex capability with acoustic and line echo cancellation

VOICE FEATURES

  • Digital telephone answering machine for voice and fax messages
  • Auto-dial and auto-answer
  • Call discrimination between data/fax/voice calls
  • Line quality monitoring and retraining
  • Enhanced ADPCM/PCM voice operation
  • Concurrent wave playback and DTMF detection

VIDEO CONFERENCING

  • H.324, ITU V.80 video-ready modem interface

ADDITIONAL FEATURES

  • Buzzer and amplifier on board for call progress monitoring
  • Tone or pulse dialing option

INTERFACE/CONNECTORS

  • RS-232C (9-pin COM port interface)
  • RJ11 Telephone Jack(s)
  • Power Connector
  • Power Switch

 


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