TN771 - TN1654

Avaya Definity TN775C EPN Maintenance Board

  • Like New: $179.00
Availability: In Stock

TN775C EPN Maintenance Board

The TN775C EPN is a maintenance board that monitors and upkeeps power failure signals in an EPN cabinet in Release 7 or higher.


  • Maintains and monitors power failure signals
  • Monitors and controls power supplies and battery charger
  • Monitors air flow and high temperature sensors
  • Three position switch to control emergency power transfer
  • DC to DC power converter
  • Includes Atlas 1-Year Warranty with Extended Warranty options available!

Package Includes

  • TN775C EPN Maintenance Board Card

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