Avaya Definity TN570B Expansion Interface Circuit Pack - Refurbished
Features:
The TN570B provides an interface between the TDM bus and packet bus, and fiber optic links interconnecting cabinets
Used in a Port Network (PN) between a PN and another PN in a direct-connect system and a PN and an SNI in a switch node carrier in a CSS-connected system
Provides control channel applications and time-slot interchanging between the PPN and EPNs
Used when ISDN-BRI and/or ASAI is connected in an EPN
Used in R7si/r or later systems
WARRANTY: 90-DAY REPLACEMENT WARRANTY / FINAL SALE
Features:
The TN570B provides an interface between the TDM bus and packet bus, and fiber optic links interconnecting cabinets
Used in a Port Network (PN) between a PN and another PN in a direct-connect system and a PN and an SNI in a switch node carrier in a CSS-connected system
Provides control channel applications and time-slot interchanging between the PPN and EPNs
Used when ISDN-BRI and/or ASAI is connected in an EPN
Used in R7si/r or later systems
WARRANTY: 90-DAY REPLACEMENT WARRANTY / FINAL SALE
Features:
The TN570B provides an interface between the TDM bus and packet bus, and fiber optic links interconnecting cabinets
Used in a Port Network (PN) between a PN and another PN in a direct-connect system and a PN and an SNI in a switch node carrier in a CSS-connected system
Provides control channel applications and time-slot interchanging between the PPN and EPNs
Used when ISDN-BRI and/or ASAI is connected in an EPN
Used in R7si/r or later systems
WARRANTY: 90-DAY REPLACEMENT WARRANTY / FINAL SALE
