Avaya Definity TN771DP Maintenance and Test (Refurbished)

Key Features:

• Performs maintenance functions for Definity
• Functions include Packet Bus reconfiguration that allows diagnosis and correction of recoverable Packet Bus failures before Link Access Procedure on the D-Channel (LAPD) links fail - ISDN - PRI testing that originates and terminates loopback tests on ISDN facilities
• TN 771DP is required in all standard reliability Primary Port Networks (PPNs) and critical reliability Expansion Port Networks (EPNs).
• All standard reliability PPNs when packet endpoints (BRI and/or ASAI) are supported
• The TN771DP circuit pack can be updated using the firmware download feature, which requires use of the TN799 C-LAN circuit pack interface