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TN776 Expansion Interface

by Avaya

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TN776 Expansion Interface (for R6 or earlier si)

Features of the TN776
  • Connected to the Time Division Multiplexing (TDM) bus in one Port Network (PN) is an interface between that PN and the TDM bus extended to another PN
  • Packages the TDM control channel with Link Access Procedure on the D-channel (LAPD) for transmission over the fiber link between cabinets
  • Provides the time-slot interchange between cabinets
  • A system with ASAI/BRI or with PRI signaling for the packet bus (PACCON) requires a TN570B/C EI circuit pack in place of a TN776 circuit pack
  • Replace by TN570B/C in R7si and later
  • One Year Warranty
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