3Com 3C13636 manual Recovering/Replacing a Lost Boot ROM Password

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3Com Router 3000 Ethernet Family	4. Troubleshooting
Installation Guide

Symptoms 2:

Illegible characters are displayed on the console terminal after the router is powered on.

Solution:

Make sure you have set on your terminal (HyperTerminal):

Baud rate = 9600

Databit = 8

Parity check = none

Stopbit = 1

Flow control = none

Terminal emulation = VT100

Reconfigure the parameters if their values are different.

4.3 Recovering/Replacing a Lost Boot ROM Password

If the Boot ROM password of the router is lost, contact the local agent of 3Com for help.

4-2

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Contents 3C13636 3Com Router 3000 Ethernet Family Installation Guide3Com Corporation Campus Drive Marlborough, MA 01752-3064 Table of Contents 3Com Router 3000 Ethernet Family Introduction Product OverviewAppearance Hardware Features of the 3Com Router 3000 Ethernet FamilyDescription System specificationsLEDs 3036Interface attributes Safety Precautions Installing the RouterInstalling the Router Placing the Router on a Tabletop/WorkbenchMounting the Router on a Vertical Surface Connecting the AC-input power cord Connecting the Ground WireConnecting the Power Cord AC-input power supplyConnecting the Router to a Console Terminal Connecting the console cableConsole cable Connecting the Router to LAN Connecting an Ethernet cableEthernet cable Verifying Installation Starting and Maintaining the Router Setting up a Configuration EnvironmentConnecting the router to a console terminal Setting terminal parameters3Com Router 3000 Ethernet 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