Avaya Definity TN556B ISDN BRI 4-Wire Interface Circuit Pack - Refurbished

$79.00

Features:

  • Ports connection to ISDN-BRI terminals: 12

  • Signal leads: TXT, TXR, PXT, and PXR

  • Up to 8 ports can be used for ASAI links

  • 2 B-channels

  • 1 D-channel

  • Range up to 3300 ft.

  • Compatible with Definity R7 or late

  • Requires a packet control circuit pack (TN778) if using R6si systems

WARRANTY: 90-DAY REPLACEMENT WARRANTY / FINAL SALE

Features:

  • Ports connection to ISDN-BRI terminals: 12

  • Signal leads: TXT, TXR, PXT, and PXR

  • Up to 8 ports can be used for ASAI links

  • 2 B-channels

  • 1 D-channel

  • Range up to 3300 ft.

  • Compatible with Definity R7 or late

  • Requires a packet control circuit pack (TN778) if using R6si systems

WARRANTY: 90-DAY REPLACEMENT WARRANTY / FINAL SALE

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