


Avaya Definity TN500 TDBI Circuit Pack - Refurbished
Features:
The Avaya Definity TN500 TDBI (Time Division Bus Interface) is the data-exchange interface between the TN520 VB and TN501B VPC boards as part of most AUDIX systems.
The TN500 is designed to replace the TN477 with sixteen channels, twice the amount of its predecessor.
The TN500 is installed in most AUDIX cabinets, and required for systems with five or more TN501Bs.
WARRANTY: 90-DAY REPLACEMENT WARRANTY / FINAL SALE
Features:
The Avaya Definity TN500 TDBI (Time Division Bus Interface) is the data-exchange interface between the TN520 VB and TN501B VPC boards as part of most AUDIX systems.
The TN500 is designed to replace the TN477 with sixteen channels, twice the amount of its predecessor.
The TN500 is installed in most AUDIX cabinets, and required for systems with five or more TN501Bs.
WARRANTY: 90-DAY REPLACEMENT WARRANTY / FINAL SALE
Features:
The Avaya Definity TN500 TDBI (Time Division Bus Interface) is the data-exchange interface between the TN520 VB and TN501B VPC boards as part of most AUDIX systems.
The TN500 is designed to replace the TN477 with sixteen channels, twice the amount of its predecessor.
The TN500 is installed in most AUDIX cabinets, and required for systems with five or more TN501Bs.
WARRANTY: 90-DAY REPLACEMENT WARRANTY / FINAL SALE