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Stock  YES
Manuf. Part#  63908C-C3
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Your Price:  ONLY $650.00

  • The TN775B/C boards are used in maintenance and monitor power failure signals in an EPN cabinet in R7si/r or later.
  • These circuit packs also monitor the clock, monitor and control the power supplies and battery charger, and monitor air flow and high temperature sensors.
  • These circuit packs provide 2 serial links to communicate with Expansion Interface (EI) circuit packs, and provide an RS-232 interface for connection to an administration terminal. Each circuit pack contains a 3-position switch to control emergency power transfer.
  • The TN775C Definity maintenance circuit pack is used in maintenance and monitors power failure signals the D-channel links

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