3Com DUA 1648-5AAA02 manual Firmware image has become corrupted, Fail Safe Mode Screen

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The Firmware image has become corrupted

If the firmware image becomes corrupted, you need to upgrade the firmware. The Switch goes into Fail Safe mode, and the screen shown in Figure 32 displays.

Figure 32 Fail Safe Mode Screen

To upgrade the firmware, click Browse, and follow the on-screen instructions to upgrade the Switch to the required version of firmware.

Alternatively, click RESET to return the Switch to its factory default settings.

Once the Switch has entered Fail Safe mode and is reset upon startup the Switch will enter Automatic IP Configuration mode. Refer to “How Automatic IP Configuration Works” on page 19 for details.

CAUTION: Before recovering the Switch, save the Switch’s current configuration. Recovering the Switch will cause the current configuration to be lost.

You forget the Switch’s default IP address, or you forget the User Name or Password that you assigned to the Switch.

The Discovery application can be used for detecting the Switch on the network. Otherwise, you can restore the default settings, using the recovery button on the rear panel of the Switch.

For details on how to use Discovery to detect the Switch on the network, refer to “Using Discovery” on page 39.

You must recover the Switch, using the recovery button on the rear panel of the Switch.

CAUTION: Before recovering the Switch, save the Switch’s current configuration. Recovering the Switch will cause the current configuration to be lost.

To recover the Switch:

1Backup the current configuration. Refer to “Configuration” on page 33 for details.

2Turn off the Switch.

3Press and hold in the recovery button on the rear panel of the Switch using a pointed tool, and then turn on the Switch. After

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Contents 3Com Baseline Switch 2816-SFP Plus 3C16485 User Guide DUA1648-5AAA02United States Government Legends Contents Using Discovery Technical SupportAbout this Guide Naming ConventionConventions Feedback about this User Guide Product RegistrationPddtechpubscomments@3com.com Baseline Switch 2816-SFP Plus IntroductionPackage Contents Front and Rear Panels HOW to USE the Baseline Switch 2816-SFP PlusFront Panel Features RJ-45 10/100/1000 PortsSFP Ports Link/Activity Status LEDsStatus Meaning Rear Panel Features Page Power Supply Installation RecommendationsPositioning the Switch Power UpSFP Operation Connecting to a Network DeviceSpot Checks Approved SFP TransceiversRemoving an SFP Transceiver Appropriate Gigabit Ethernet connectionPage Mounting KIT Instructions IntroductionRack Mounting the Units Page How Automatic IP Configuration Works Automatic IP ConfigurationHow Your Switch Obtains IP Information Automatic ProcessSwitch repeats until an unused IP address is found Main Menu Switch ConfigurationNavigating Through the Switch Configuration Pages Option TabsSummary Screen Fan StatusPassword IP SettingsPort Configuration Basic Port Configuration ScreenAdvanced Port Configuration Screen VLANsVlan Configuration Examples Desktop Vlan Configuration ExampleUplink Vlan Configuration Example Create VLANs Delete VLANsModify VLANs Membership VLANsTrunking Guidelines for creating TrunksTrunking Membership Screen Traffic Monitoring System ToolsRestart Configuration UpgradeTaking place Spanning Tree Spanning Tree Screen802.1p Prioritization Priority Level Traffic TypeSupport 802.1p Prioritization screenPage Using Discovery Windows Installation 95/98/XP/2000/2003 Server/NTRunning the Discovery Application Discovered Switch Problem Solving All ports appear to show continual activityFail Safe Mode Screen Firmware image has become corruptedIf the problem persists Page Safety Information Power Cord SetLinformation DE Sécurité Importante France et Pérou uniquementCordon électrique Wichtige Sicherheitsinformationen Page Environmental Technical InformationRelated Standards PhysicalPage Purchase Value-Added Services Purchase Value-Added Services Contact UsTechnical Support Telephone Technical Support and Repair Asia, Pacific Rim Telephone Technical Support and RepairLatin America Telephone Technical Support and Repair US and Canada Telephone Technical Support and Repair Glossary Client Category 5e CablesCategory 6 Cables EthernetIeee 802.3ad Ieee 802.1QIeee 802.1p IP AddressNetwork SwitchMAC Address PingTraffic Monitoring TrunkingPage Index NumbersConfiguring Configuration example 25 create a Delete a 28 modify a Page Regulatory Notices Part Number DUA1648-5AAA02 Published September