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DEFINITY Made Easy Tools
Issue 3, December 2001



Install and Administer Trunks

Installing ISDN - PRI Internationally

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  1. Install a TN464C (or later) DS1/E1 circuit pack for the assignment of the 2 signaling channels and up to 30 ISDN -- PRI Trunk Group members. Each E1 span provides 32 ports.

  2. Install a Tone-Clock circuit pack to provide synchronization for the DS1/E1 circuit pack.

  3. If packet bus support has not been added and greater than 8 PRI signaling groups are required, see Add Packet Bus Support for R10si for installation of additional circuit packs for packet bus support.

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

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