Eicon Networks S52 Guide de l'utilisateur télécharger pdf (Page 14)

Introducing Eiconcard Connections for Linux

page 12

OSI Support

Eiconcard Connections for Linux is implemented according to the OSI model. The top layer—

the Application Layer—is implemented by the PAD Support components or applications

developed using the Eiconcard Development Tools. The Network Layer and Data Link Layer

are implemented respectively by the X.25 and HDLC protocol support provided by the

Eiconcard Services package. The bottom OSI layer—the Physical Layer—is implemented by a

media connector on the Eiconcard.

The diagram below shows how Eiconcard Connections for Linux corresponds to the OSI network

model.

OSI Model

Eiconcard Connections

for Linux

Eiconcard

Card Services-HDLC

Card Services-X.25

PAD Support Package /

Eiconcard Development Tool

Application

Presentation

Session

Transport

Network

Data Link

Physical

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Eicon Networks S52 Guide de l'utilisateur Page 14