
308648-14.00 Rev 00
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Chapter 1
Getting Started
This chapter describes how to access the physical and data link layer (line)
services for the configured WAN circuits on a Nortel Networks router.
This chapter contains the following sections:
Note:
In the OSI internetworking model, the physical layer manages the
transmission of bits across the physical media (for example, cable or modem
interface); a 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.
Section Page
What’s the Default Configuration? 1-2
Summary of WAN Line Configuration Services 1-2
Starting the Configuration Tools 1-3
Accessing Line Parameters 1-4
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