1.888.567.5194 or 1.248.853.5700
FREE UPS Ground with your $500+ Or Flat Rate $9.95 for orders under $500

TN775B EPN Maintenance Board (TN775B)

by Avaya

TN775B EPN Maintenance Board (TN775B)
Like New: $99.00
Availability: Yes

$99.00 Sale Price:
Item Total:

TN775B EPN Maintenance Board

The TN775B is a Maintenance Board that monitors power failures for the EPN cabinet in R7si/r or later.


  • 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!
Shop All Categories
Atlas Phones Warranty
Atlas Phones Warranty
Atlas Phones Warranty
Atlas Phones Partner
Spectralink Phones
Credit Cards
Credit Cards
Publish hosting images