Avaya/Definity Circuit Packs TN429 - TN748

Avaya Definity TN570D Expansion Interface Circuit Pack

  • Like New: $48.99
Availability: In Stock
$48.99
$48.99
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TN570D Expansion Interface

This card will provide an interface with the TDM bus and pack bus between the two. Fiber optic links interconnecting cabinets used in a Port Network (PN) between a PN and another PN in a direct-connect system.

Features

  • Provides an interface
  • Supports control channel applications
  • One Year Warranty Included with Extended Warranty Options at Low Prices!

Package Includes

  • TN570D Expansion Interface

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Adrian C. Verified Customer   
04-01-25

This IS the right place !

Berney C. Verified Customer   
04-01-25

Item was well packaged and performed as expected.

Customer Service
5 / 5
Tom P. Verified Customer   
03-31-25

Atlas Phones is great to do business with!