Avaya/Definity Circuit Packs TN771 - TN802

Avaya Definity TN777B Network Controller Circuit Pack

  • Like New: $38.99
Availability: In Stock
$38.99
$38.99
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TN777B Network Controller

The TN777B Network Controller is designed to deliver control channel messages between distributed networks 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 the customer connected equipment.

Features

  • Communicates control messages between processor circuit pack and distributed network of port circuit packs on the TDM bus
  • Controls four data channels
  • Time of date clock with battery backup 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

  • TN777B Network Controller Card

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Ryan S. Verified Customer   
03-13-25

Super pleasant on the phone, and offered additional troubleshooting suggestions on the phone. Seemed more interested in helping us solve the problem than just making a quick buck. Everything's been positive so far.

Marco T. Verified Customer   
03-12-25

I had an outstanding online shopping experience. The website was intuitive and easy to navigate, with clear product descriptions that made decision-making a breeze. The checkout process was smooth, and shipping was prompt and reliable. Overall, the high-quality products and attentive customer service made this purchase truly satisfying, and I would highly recommend this retailer for anyone looking for a hassle-free online shopping experience.

Sara H. Verified Customer   
03-11-25

The service was incredibly fast and the product is as described.