avaya TN775D[Dec. 21, 2011 23:47:55]
Specification
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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