US Robotics USR8550 Bedienungsanleitung PDF herunterladen (Seite 5)

Chapter 3

Configuration Guide

Purpose

This chapter will provide the configuration steps for the ADSL modem.

The ADSL modem automatically trains up to the ideal line speed. By

default, the ADSL modem is provisioned with rates of 8 Mbps

downstream and 640 Kbps upstream. The maximum operative rate is

determined by your DSL service provider. After establishing a connection

between your ADSL modem and your DSL service provider, you will

have an always-on connection. There are logical connections that should

be set up upon initial configuration, which establish the virtual channel for

different applications. To configure the logical connections, you must

provision ATM virtual connections.

On the ADSL modem, the ADSL physical interface is always ready to

send and receive network traffic. You may need to define an ATM virtual

connection (VC) when communicating across an ATM network for logical

connection setup. The ATM connection is identified by two indicators:

virtual path identifiers (VPI) and virtual circuit identifiers (VCI). Each

connection must have a unique pair of VPI and VCI settings. Check with

your service provider for details.

Log on to the ADSL Modem

In order to configure the ADSL modem, open a Web browser and enter

the default IP address of http://192.168.1.1. The default password is

12345. No User Name is required. You must use the default password

the first time you log in, but you should change the password for your

ADSL modem after the first login. Refer to the Change Password

section for details.

Select the ADSL Protocol

The US Robotics ADSL Ethernet Modem supports the following four

different ADSL protocols:

• Multi-mode (default)

• G.DMT (G.992.1)

• G.Lite (G.992.2)

• ANSI T 1.413 Issue 2

When using the multi-mode setting, the ADSL Ethernet modem will

attempt to automatically determine which protocol is being used. In most

cases, the default setting of Multi-mode should not be changed. This

setting should only be changed if your service provider has specified that

a specific protocol should be used. To use a different ADSL Protocol,

select the appropriate button and click OK.

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US Robotics USR8550 Bedienungsanleitung Seite 5