3Com 2900 manual

Page 6

Laser Safety ····································································································································2-2 Installation Tools ·····································································································································2-3

3Installing a Switch ·····································································································································3-1Installing the Switch into a 19-Inch Rack Using Mounting Brackets·······················································3-1 Introduction to Mounting Brackets···································································································3-1 Attaching the Mounting Brackets to a Switch··················································································3-2 Mounting the Switch to a Rack········································································································3-4 Mounting the Switch on a Workbench ····································································································3-6 Connecting the PGND Cable ··················································································································3-6 When a Grounding Strip is Available·······························································································3-6 Where a Grounding Conductor Can be Buried ···············································································3-8 In Other Installation Sites ················································································································3-8

Connecting the Power Cord····················································································································3-9 Connecting an AC Power Cord ·······································································································3-9 Connecting an RPS DC Power Cord·····························································································3-10 Verifying the Installation························································································································3-10

4Initial Power-On·········································································································································4-1Setting Up the Configuration Environment······························································································4-1 Connecting the Console Cable ···············································································································4-1 Console Cable ·································································································································4-1 Connection Procedure·····················································································································4-2 Setting Terminal Parameters ··················································································································4-2 Booting the Switch ··································································································································4-5 Checking Before Power-On·············································································································4-5 Powering On the Switch ··················································································································4-5 Changing the Boot Mode·················································································································4-7

5Loading Software·······································································································································5-1Introduction ·············································································································································5-1 Approaches for Loading Application and Configuration Files·································································5-1 Loading Files Through the Boot ROM Menu ··························································································5-1 Introduction to the Boot ROM Menu································································································5-2 Loading Files Using XMODEM Through Console Port ···································································5-3 Loading Files Using TFTP Through Ethernet Port ········································································5-11 Loading Files Using FTP Through Ethernet Port ··········································································5-14

6Maintenance and Troubleshooting··········································································································6-1File Loading Failure·································································································································6-1 Password Loss········································································································································6-1 User Password Loss························································································································6-1 Boot ROM Password Loss ··············································································································6-1 Power Supply Failure······························································································································6-2 Configuration Terminal Failure················································································································6-3

ii

Image 6 Contents
3Com Baseline Switch 2900 Family Environmental Statement About This Manual Organization Conventions Related Documentation Obtaining DocumentationManual Description Table of Contents Page Product Overview IntroductionPage Front Panel 3Com Baseline Switch 2920-SFP PlusPower Supply System 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 Console Port SpecificationPorts 10/100/1000Base-T Ethernet PortFiber Transceiver Central Connector Type1000Base-X SFP Interface Max Transmis Sion DistancePower 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 Installation Site Installation PreparationsSafety Precautions Temperature/HumidityDust concentration limit in the equipment room Laser SafetyElectromagnetic Susceptibility Gas Maximum concentration mg/mInstallation Tools Installing a Switch Introduction to Mounting BracketsModel Mounting bracket Description Attaching the Mounting Brackets to a Switch Model Mounting position Description See -6 , FigureMounting 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 the Power Cord Connecting an AC Power CordVerifying the Installation Connecting an RPS DC Power CordPage Connecting the Console Cable Initial Power-OnSetting Up the Configuration Environment RJ-45 Signal Direction DB-9Setting Terminal Parameters Connection Procedure4Set 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 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 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 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 User Password Loss Maintenance and TroubleshootingPassword Loss Boot ROM Password LossWith RPS power input Power Supply FailureWith AC power input With both AC and RPS power suppliesConfiguration Terminal Failure Troubleshooting when there is no terminal displayTroubleshooting when the terminal display is illegible