Avaya/Definity Circuit Packs TN771 - TN802

Avaya Definity TN775D EPN Maintenance Board

  • Like New: $39.98
Availability: In Stock
$39.98
$39.98
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TN775D EPN Maintenance Board

The TN775D EPN Maintenance Board will provide users the ability to monitor multiple features for the EPN cabinet in R7si/r or later.

Features

  • Monitors power failure signals in EPN cabinets
  • Monitors clock
  • Monitors and controls battery charger and power supplies
  • Monitors air flow and temperature sensors
  • Two serial links for communication for the Expansion Interface (EI) circuit packs, also provides an RS-232 interface for connection with an administration terminal
  • 3-position switch to control emergency power transfer
  • Equipped with a new DC to DC power converter
  • One Year Warranty Included with Extended Warranty Options at Low Prices!

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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.