Avaya TN771 – TN1654 Avaya Definity TN1655 Packet Interface for r only (TN1655) Definity TN-1655
Provides the communication path between the SPE and the packet bus in the PPN
Provides the access procedure on the D-channel (LAPD) for up to 8,192 s
Provides termination for ISDN-BRI and ISDN-PRI signalling s, expansion archangel s connecting the processor to the expansion archangels on EI circuit packs in each PN, and centre stage control network s connecting
the processor the processor with SNI circuit packs in the CSS
Supports firmware downloading
Provides X.25 termination to the DCS s and adjuncts such as CDR and Audix
Provides the communication path between the SPE and the packet bus in the PPN
Provides the access procedure on the D-channel (LAPD) for up to 8,192 s
Provides termination for ISDN-BRI and ISDN-PRI signalling s, expansion archangel s connecting the processor to the expansion archangels on EI circuit packs in each PN, and centre stage control network s connecting
the processor the processor with SNI circuit packs in the CSS
Supports firmware downloading
Provides X.25 termination to the DCS s and adjuncts such as CDR and Audix