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  2. Avaya Definity TN776 Expansion Interface (Refurbished)

Avaya

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AVDEFTN776-REF

Avaya Definity TN776 Expansion Interface (Refurbished)

https://www.startechtel.com/web/image/product.template/58689/image_1920?unique=e9ada38

$ 89.00 89.0 USD $ 89.00

$ 89.00

  • Condition: Refurbished
  • Warranty: 3 Month Warranty

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Key Features:

  • 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

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