3Com 2900 manual Describes the fields above 2Description on the fields

Page 39

CPU Clock Speed

: 333MHz

Memory Type

: DDR2 SDRAM

Memory Size

: 128MB

Flash Size

: 128MB

CPLD Version

: 001

PCB Version

: Ver.A

Mac Address

: 000ef2002900

Press Ctrl-B to enter Extended Boot menu...1

The last line asks whether you want to enter the Boot ROM menu. The system waits one second for your response.

z

z

The system has two startup modes: normal startup and fast startup. The normal startup mode requires a little longer time than the fast startup mode because of more self-test operations.

By default, the system starts up in fast mode and the waiting time here is one second. If you set the startup mode to normal, the waiting time is five seconds. The following section describes the setting of the startup mode.

zIf you press Ctrl + B within one second, the Boot ROM menu is displayed.

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):

Table 4-2 describes the fields above.

Table 4-2Description on the fields

 

Item

Description

1.

Download application file to flash

Download the application file to the flash memory

 

 

 

2.

Select application file to boot

Select the application file to boot

 

 

 

3.

Display all files in flash

Display all files in the flash memory

 

 

 

4.

Delete file from flash

Delete files from the flash memory

 

 

 

5.

Modify BootRom password

Modify the Boot ROM password

 

 

 

 

 

4-6

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Contents 3Com Baseline Switch 2900 Family Environmental Statement About This Manual OrganizationConventions Related Documentation Obtaining DocumentationManual Description Table of Contents Page Introduction Product OverviewPage Rear Panel 3Com Baseline Switch 2920-SFP PlusPower Supply System Front Panel3Com Baseline Switch 2928-SFP Plus 3Com Baseline Switch 2952-SFP Plus 3Com Baseline Switch 2928-PWR Plus 3Com Baseline Switch 2928-HPWR Plus 10/100/1000Base-T Ethernet Port SpecificationPorts Console PortMax Transmis Sion Distance Transceiver Central Connector Type1000Base-X SFP Interface FiberPower LED LEDsRPS Status LED Port Mode LED Port Ethernet port status Switch model Mode Meaning10/100/1000Base-T Auto-Sensing Ethernet Port Status LED LED 1000Base-X SFP Interface Status LED Temperature/Humidity Installation PreparationsSafety Precautions Installation SiteGas Maximum concentration mg/m Laser SafetyElectromagnetic Susceptibility Dust concentration limit in the equipment roomInstallation Tools Installing a Switch Introduction to Mounting BracketsModel Mounting bracket Description Attaching the Mounting Brackets to a Switch See -6 , Figure Model Mounting position DescriptionMounting the Switch to a Rack Page Mounting the Switch on a Workbench Connecting the Pgnd CableWhen a Grounding Strip is Available Page Where a Grounding Conductor Can be Buried Other Installation SitesWhen the switch is AC-powered Connecting an AC Power Cord Connecting the Power CordConnecting an RPS DC Power Cord Verifying the InstallationPage RJ-45 Signal Direction DB-9 Initial Power-OnSetting Up the Configuration Environment Connecting the Console CableConnection Procedure Setting Terminal Parameters4Set the serial port used by the HyperTerminal connection 6HyperTerminal window Booting the Switch Checking Before Power-OnPowering On the Switch Describes the fields above 2Description on the fields Enter 9. The system prompts you to change the startup mode Changing the Boot ModeEnter Y. The system displays the following information User interface aux0 is available Press Enter to get started Approaches for Loading Application and Configuration Files Loading Files Through the Boot ROM MenuLoading Software Introduction to the Boot ROM Menu Loading Files Using Xmodem Through Console Port Loading a Boot ROM fileIntroduction to Xmodem Change the rate of the serial port on the terminal Task RemarksDescription Page 2Properties dialog box 5Transfer menu Restoring the download rate to the default Page Introductin to Tftp Loading Files Using Tftp Through Ethernet PortLoad File Name Loading an application file Introduction to FTP Loading Files Using FTP Through Ethernet PortParameters are described in Table 5Description of the FTP parameters Loading an application file Boot ROM Password Loss Maintenance and TroubleshootingPassword Loss User Password LossWith both AC and RPS power supplies Power Supply FailureWith AC power input With RPS power inputConfiguration Terminal Failure Troubleshooting when there is no terminal displayTroubleshooting when the terminal display is illegible