3Com 2900 Changing the Boot Mode, Enter 9. The system prompts you to change the startup mode

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Item

 

Description

6.

Enter BootRom upgrade menu

 

Enter the Boot ROM update menu

 

 

 

 

7.

Skip current system configuration

 

Skip the current configuration file (this configuration is valid

 

once)

 

 

 

 

 

 

 

8.

Set BootRom password recovery

 

Restore the Boot ROM password

 

 

 

9.

Set switch startup mode

Set the startup mode of the switch

 

 

 

 

0.

Reboot

 

Restart the switch

 

 

 

 

zIf you perform no operation or press a key other than Ctrl + B within one second, once the remaining waiting time becomes zero, the system begins to automatically start up and the following

information is displayed:

Starting to get the main application file--flash:/S2900-CMW520-A1101.bin!......

.................................................................

The main application file is self-decompressing................................

...............................................................................

..............................Done!

System is starting...

User interface aux0 is available.

Press ENTER to get started.

Press Enter and enter the correct username (admin by default) and password (no password by default). The following prompt is displayed:

<3Com Baseline Switch >

You can configure the switch now.

Changing the Boot Mode

By default, the system starts up in fast boot mode. If you want to change the boot mode to normal, press Ctrl + B within one second to enter the Boot ROM menu showed below:

BOOT MENU

1.Download application file to flash

2.Select application file to boot

3.Display all files in flash

4.Delete file from flash

5.Modify BootRom password

6.Enter BootRom upgrade menu

7.Skip current system configuration

8.Set BootRom password recovery

9.Set switch startup mode

0. Reboot

Enter your choice(0-9):

Enter 9. The system prompts you to change the startup mode:

The current mode is fast startup mode!

4-7

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Contents 3Com Baseline Switch 2900 Family Environmental Statement Organization About This ManualConventions Obtaining Documentation Related DocumentationManual Description Table of Contents Page Product Overview IntroductionPage 3Com Baseline Switch 2920-SFP Plus Power Supply SystemFront Panel Rear Panel3Com Baseline Switch 2928-SFP Plus 3Com Baseline Switch 2952-SFP Plus 3Com Baseline Switch 2928-PWR Plus 3Com Baseline Switch 2928-HPWR Plus Specification PortsConsole Port 10/100/1000Base-T Ethernet PortTransceiver Central Connector Type 1000Base-X SFP InterfaceFiber Max Transmis Sion DistanceLEDs Power LEDRPS Status LED Port Ethernet port status Switch model Mode Meaning Port Mode LED10/100/1000Base-T Auto-Sensing Ethernet Port Status LED LED 1000Base-X SFP Interface Status LED Installation Preparations Safety PrecautionsInstallation Site Temperature/HumidityLaser Safety Electromagnetic SusceptibilityDust concentration limit in the equipment room Gas Maximum concentration mg/mInstallation Tools Introduction to Mounting Brackets Installing a SwitchModel Mounting bracket Description Attaching the Mounting Brackets to a Switch Model Mounting position Description See -6 , FigureMounting the Switch to a Rack Page Connecting the Pgnd Cable Mounting the Switch on a WorkbenchWhen a Grounding Strip is Available Page Other Installation Sites Where a Grounding Conductor Can be BuriedWhen the switch is AC-powered Connecting the Power Cord Connecting an AC Power CordVerifying the Installation Connecting an RPS DC Power CordPage Initial Power-On Setting Up the Configuration EnvironmentConnecting the Console Cable RJ-45 Signal Direction DB-9Setting Terminal Parameters Connection Procedure4Set the serial port used by the HyperTerminal connection 6HyperTerminal window Checking Before Power-On Booting the SwitchPowering On the Switch Describes the fields above 2Description on the fields Changing the Boot Mode Enter 9. The system prompts you to change the startup modeEnter Y. The system displays the following information User interface aux0 is available Press Enter to get started Loading Files Through the Boot ROM Menu Approaches for Loading Application and Configuration FilesLoading Software Introduction to the Boot ROM Menu Loading a Boot ROM file Loading Files Using Xmodem Through Console PortIntroduction to Xmodem Task Remarks Change the rate of the serial port on the terminalDescription Page 2Properties dialog box 5Transfer menu Restoring the download rate to the default Page Loading Files Using Tftp Through Ethernet Port Introductin to TftpLoad File Name Loading an application file Loading Files Using FTP Through Ethernet Port Introduction to FTPParameters are described in Table 5Description of the FTP parameters Loading an application file Maintenance and Troubleshooting Password LossUser Password Loss Boot ROM Password LossPower Supply Failure With AC power inputWith RPS power input With both AC and RPS power suppliesTroubleshooting when there is no terminal display Configuration Terminal FailureTroubleshooting when the terminal display is illegible