iad2421-1t1

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SIM4DD0 SIM4DD0BRA


The IAD2421-1T1 is an IAD2421 8/16FXS T1 PBX for the IAD2400 product line. VenTel buys, sells, tests and installs CISCO IAD2400 products.

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sales@ven-tel.com

Terminology

  • T1
    - DIGITAL SIGNAL 1 (DS1, ALSO CALLED T1) IS A T-CARRIER SIGNAL DEVISED BY BELL LABS