Avaya TN556D Refurbished
€595.00 Ex VAT
Avaya TN556D IISDN BRI 4-WIre Interface. Refurbished
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.
- 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