Avaya Configuring Ethernet, FDDI, and Token Ring Services Uživatelský manuál stáhnout pdf (Strana 19)

308623-14.00 Rev 00

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Chapter 1

Getting Started

Ethernet, FDDI, and token ring services comprise the physical and data link layer

(line) services for configured LAN circuits on a Nortel Networks router. This

chapter shows you how to access those services on a Nortel Networks router.

This guide assumes that the router’s configuration file includes Ethernet, FDDI, or

token ring network circuits. See Configuring and Managing Routers with Site

Manager for information about adding circuits.

Note:

In the OSI internetworking model, the physical layer manages the

transmission of bits across the physical media (for example, cable or modem

interface); the physical layer protocol defines the electrical and mechanical

interface. The data link layer defines the procedures for transferring data

accurately and reliably across the physical layer.

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Avaya Configuring Ethernet, FDDI, and Token Ring Services Uživatelský manuál Strana 19