Call Us Toll-free

TN777 Network Controllers

by Avaya

Availability: Yes
$55.00 Sale Price:
Item Total:

Refer Item to a Friend

TN777 / TN777B Network Controller

The TN777 Network Controller delivers control channel messages between distributed network of port circuit packs on the TDM bus and processor circuit pack. Information is routed between 4 data channels directly from the processor circuit pack to customer connected equipment.


  • Communicates control messages between processor circuit pack and distributed network of port circuit packs on the TDM bus
  • Control four data channels
  • Time of date clock with battery back up for power failure and low voltage conditions
  • Monitors status of system clocks
  • supports ISDN Replaced by TN794 Network Control/Packet interface for R7 and R8
  • Replaced by TN2401 Network Control/Packet interface for R9 and R10
  • One Year Warranty Included with Extended Warranty Options at Low Prices!

Package Includes

  • TN777 / TN777B Network Controller Card
Insert email for special offers:
Free Free UPS Ground shipping on orders of $500+. Within Continental U.S. (under $500 orders only $9.95)
A portion of each purchase will be donated to The Penrickton Center for Blind Children. For more information, visit
Have Telecom Items For Sale? Top Dollar Offered - Lightning Fast Bids Provided
Publish hosting images