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TN775D EPN Maintenance Board

Certified Refurbished: $49.00
This product is eligible for 2 Year Platinum Protection!

TN775D Features

  • Used in maintenance and monitors power failure signals in an EPN cabinet in R7si/r or later
  • Monitors clock, monitors and controls power supplies and battery charger, monitors air flow and high temperature sensors
  • Provides 2 serial links to communicate with Expansion Interface (EI) circuit packs and provides an RS-232 interface for connection to an administration terminal
  • Contains a 3-position switch to control emergency power transfer
  • TN775 Contains a new DC to DC power converter and is used in maintenance to monitor the R7 or later processor in a Survivable Remote Expansion Port Network configuration

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