Avaya/Definity Circuit Packs TN771 - TN802

Avaya Definity TN771D Maintenance and Test Circuit Pack

  • Like New: $75.00
Availability: In Stock

TN771D Maintenance Test Card

The TN771D Maintenance Test Card is responsible for maintaining functions for Definity. There is also a Packet Bus reconfiguration that is included. It allows for the diagnosis and correction of recoverable Packet Bus failures before the Link Access Procedure on the D-Channel fails.


  • Performs maintenance functions
  • Allows for reconfiguration that allows diagnosis and correction of recoverable Packet bus failures
  • All standard reliability PPNs when packet endpoints are supported
  • Includes Atlas 1-Year Warranty with Extended Warranty options available!

Package Includes

  • TN771D Maintenance Test Card

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