Basic Rate Interface

Suite de protocoles RNIS
Couche Protocoles Canal D Protocoles Canal B
Signalisation Paquet Télémétrie Commut. circuit Semi permanent Commut. paquet
Application Utilisateurs
Présentation
Session
Transport
Réseau Q.931 X.25.3 IP* X.25.3
Liaison Q.921 LAP-D HDLC*
PPP*
LAP-B
Physique Accès de base I.430, primaire I.431
* Protocoles non RNIS

Basic Rate Interface ou Basic Access (dont l'acronyme est BRI / BA) qui signifie accès de base en français, est une interface d'accès à un réseau RNIS. Cette interface est également nommée T0.

Il comprend 2 canaux B et un canal D pour la signalisation : 2B+D. Les 2 canaux B ont un débit de 64 kbit/s chacun, et le canal D 16 kbit/s, pour un total de 144 kbit/s.

Notes et références

Voir aussi

Liens externes

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