HP 3000 Router Troubleshooting the Power System, Troubleshooting the Configuration System

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3Com Router 3000 ADSL2+ Family

4. Troubleshooting

Installation Guide

Chapter 4 Troubleshooting

4.1 Troubleshooting the Power System

Symptoms:

POWER LED cannot light.

Solution:

Check that:

zThe power switch of the router is turned on.

zThe switch of the power source is turned on.

zThe power cord of the router is properly connected.

zThe correct power source is used.

Caution:

Do not plug/unplug the power cord when power is being supplied. If POWER LED is still OFF after you check against the items listed above, contact your agent.

4.2 Troubleshooting the Configuration System

If the router is operating normally after it is powered on, it displays the start-up information on the console terminal. If the configuration system has faults, it displays illegible characters or nothing at all.

Symptoms 1:

Nothing is displayed on the terminal screen after the router is powered on.

Solution:

Step 1: Check that:

zThe power system is correctly working.

zThe console cable is connected correctly.

Step 2: Check the console cable and the terminal (such as the HyperTerminal) parameter settings.

4-1

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Contents 3Com Router 3000 ADSL2+ Family Installation Guide 3Com Corporation Campus Drive Marlborough, MA 01752-3064 Table of Contents Troubleshooting Introduction Product OverviewAppearance Hardware Features of the 3Com RouterRouter System specificationsConsole port LEDsInterface attributes DescriptionADSL2+ over Pots interface Fast Ethernet FE interface3Front view of the Router Hardware Features of the Router6System specifications of the Router Isdn ACT Isdn Safety Precautions Installing the RouterPlacing the Router on a Tabletop/Workbench Installing the RouterMounting the Router on a Vertical Surface Connecting the AC-input power cord Connecting the Ground WireConnecting the Power Cord AC-input power supplyConnecting the console cable Connecting the Router to a Console TerminalConsole cable Connecting an Ethernet cable Connecting the Router to LANEthernet cable Verifying Installation Starting and Maintaining the Router Setting up a Configuration EnvironmentConnecting the router to a console terminal Setting terminal parameters3Com Router 3000 ADSL2+ Family 5Setting the terminal type Powering on the Router Maintaining the Router Boot MenuFei0 Upgrading an application program Upgrading Programs through XModemUpgrading the Boot ROM program Upgrading the extended segment of the Boot ROM program Upgrading Application Programs with NET Press Enter as prompted to have the router reboot Symptoms TroubleshootingTroubleshooting the Power System Troubleshooting the Configuration SystemRecovering/Replacing a Lost Boot ROM Password
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3000 Router specifications

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