AT&T DEFINITY 7100 series Manuale Utente Scaricare il pdf (Pagina 25)

INTERFACE CIRCUIT PACKS

V3, XEV2, XEV3, AND G1

Processor Interface TN765

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Provides 4 data links to the TDM bus and a link to the processor

Provides AUDIX, CMS, DCS, OCM, ISDN, or MSA interface

Provides a single EIA port for direct access to AUDIX, CMS, DCS,

OCM, ISDN, or MSA

V1, V2, AND V3

Interface 1 TN716B

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Interfaces Processor With System Bus Protocol

Interface 2 TN720 or TN738

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64 KBYTES ROM 128 KBYTES RAM

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Forms Channel to AP Using BX.25 Protocol

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TN738 Provides Data Channel Capability Required for the DCS (V2

and V3 Only), CMS (V3 Only), and AUDIX (V3 Only)

Interface 3 TN719

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Terminates DCP for Data Coming From AP or DCS Via TDM Bus

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AT&T DEFINITY 7100 series Manuale Utente Pagina 25