ADC Kentrox ISDN NT1 1010 Especificações Página 81

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Reference Guide
2-27
Applications ISDN Primary Rate Interface (PRI) Server
2.6.4 Integrated ISDN Access with SINA
This integrated access system is used to support both ISDN and non-ISDN services over the
same T1/E1 circuit. This multiplexing of leased line and ISDN services is commonly referred
to as Static Integrated Network Access (SINA).
As shown in Figure 2-16, several non-ISDN applications are used including analog voice and
data applications, low speed SNA data, and non-ISDN PBXs. Several ISDN based
applications are being used including Video conferencing, dial routers, and an ISDN PBX.
The non-ISDN circuits are groomed onto the T1/E1 circuit for delivery to the network. ISDN
applications are sent to the PRI Server card for concentration and are switched onto the same
T1/E1 circuit in time slots appropriate for switched ISDN calls. Within the network, these
circuits are groomed via a cross-connect to the appropriate services.
Figure 2-16. IAD using SINA for ISDN and Leased Line Traffic
PRI
Video
Codec
PRI
SINA
Router
T1
ISDN
Services
Non-
ISDN
Services
PBX
IAD
PBX
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