90-4455-22

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The 90-4455-22 is a E1 CIRCUIT EMULATION CARD 7270 for the 7270 product line. VenTel buys, sells, tests and installs NEWBRIDGE 7270 products.

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Terminology

  • E1
    - A EUROPEAN DIGITAL TRANSMISSION FORMAT EQUIVALENT TO THE N. AMERICAN T-CARRIER SYSTEM
  • 7270
    - MSC MULTISERVICE CONCENTRATOR