Avaya/Definity Circuit Packs TN771 - TN802

Avaya Definity TN778 Packet Control Circuit Pack

  • Like New: $68.99
Availability: In Stock

TN778 Packet Control

The TN778 interfaces the packet bus with SPE and terminates LAPD links. This Packet Control supports packet bus signaling on the ISDN D-channel for ASAI applications. The TN778 is also equipped with the protocol to process SPE with the pack bus. This model is replaced by the TN794 Network Control/Packet Interface.


  • Interfaces packet bus with the SPE
  • Supports packet bus signaling for ISDN-D-channel
  • Provides protocol processing capability
  • Replaced by TB794 Control/Packet Interface
  • Includes Atlas 1-Year Warranty with Extended Warranty options available!

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