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DEFINITY Made Easy Tools
Issue 2, November 2000
DEFINITY Hardware
TN1655
The TN1655 provides the communication path between the SPE and the packet bus in the PPN. This path is used by the EPNs and the CSS, from EI circuit packs in the PPN, to communicate with the processor circuit pack. The TN1655 provides the link access procedure on the D-channel (LAPD) digital multiplexed interface (DMI) mode-3 terminations of communication links across the packet bus that link to the processor circuit pack.
The TN1655 provides termination for ISDN-BRI and ISDN-PRI signaling links, expansion archangel links connecting the processor to the expansion archangels on EI circuit packs in each PN, and center stage control network links connecting the processor with SNI circuit packs in the CSS.
The TN1655 also provides termination to the DCS links -- CDR and adjuncts such as AUDIX, and to 8,192 LAPD links. The TN1655 also supports firmware downloading.
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| Copyright� 2000 Avaya Inc |
| Send comments to MadeEasy Development Team |
| Always check at the Made Easy Web site for the most current information. |