Descripción

Avaya TN556D IISDN BRI 4-WIre Interface.  Refurbished

P/N 108267097

Provides 12 ports to connect ISDN-BRI terminals. Each port uses TXT, TXR, PXT, PXR signal cables, The maximum range is 1000 meters from the system to the voice terminal.

Characteristics

• 12 connection ports for ISDN-BRI terminals
• Maximum of 8 ports for ASAI links
• 2 channels B
• Signal leads: TXT, TXR, PXT, and PXR
• 1 channel D
• Maximum range 1000 meters.
• Compatible with Definity R7 or later
• Requires a packet control card (Avaya TN778) if using R6si systems