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DEFINITY Made Easy Tools
Issue 3, December 2001



Install and Administer Trunks

Installing ISDN - PRI in North American

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  1. Use a TN767E (or later) DS1 or a TN464F DS1/E1 circuit pack for a signaling link and up to 23 ISDN -- PRI Trunk Group members.

  2. Install a Tone-Clock circuit pack to provide synchronization for the DS1 circuit pack.

  3. If using a TN464F, then packet bus support has not been added, requiring greater than 4 PRI signaling groups, see Add Packet Bus Support for R10si for installation of additional circuit packs for packet bus support.

As an option to the TN768 or TN2182B Tone-Clock, a TN780 Tone-Clock (installed in the PPN) can interface external Stratum 3 synchronization for DS1.

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