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Lucent TN771D Maintenance / Test Card

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SKU: TN771D Category:

Description

Performs maintenance functions for Definity


Features

  • 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 771D 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

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