DEFINITY Made Easy Tools
Issue 2, November 2000

DEFINITY Hardware

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DEFINITY Hardware

This section describes circuit packs used by DEFINITY systems, and Release 7 in particular.

Circuit Packs for R7si and R8si

A basic Release 7si or R8si system upgrade uses 4 required circuit packs. An upgrade may also use optional circuit packs to provide specific Release 7si/8si features or to support non-US installations.

For brief descriptions of all circuit packs, see List of Circuit Packs. For information about when to install the TN794 NetCon circuit pack, see When to use the TN794 versus the TN794/TN2400 sandwich pack. For information about a required or optional circuit pack, click on the links on this page. For information about circuit packs, their LEDs, connectors, or other details, refer to the maintenance manual.

Required circuit packs

• TN790B


• TN794


• TN768, TN419B, TN780, or TN2182

Optional circuit packs

• TN464C/D/E/F/G


• TN726B


• TN744B/C/D


• TN765


• TN767B/C/D/E


• TN771D

Non-US circuit packs

Since R7si and R8si support international call-processing applications, a wide variety of non-US circuit packs can also be used in this system. For a listing and brief description of these circuit packs, refer to the List of Circuit Packs.

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Copyright� 2000 Avaya Inc

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