3Com 2900 manual Table of Contents

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Table of Contents

1Product Overview ······································································································································1-1Introduction ·············································································································································1-1 3Com Baseline Switch 2920-SFPPlus···································································································1-3 Front Panel ······································································································································1-3 Rear Panel·······································································································································1-3 Power Supply System ·····················································································································1-3 Cooling System ·······························································································································1-3 3Com Baseline Switch 2928-SFPPlus···································································································1-4 Front Panel ······································································································································1-4 Rear Panel·······································································································································1-4 Power Supply System ·····················································································································1-4 Cooling System ·······························································································································1-4 3Com Baseline Switch 2952-SFPPlus···································································································1-5 Front Panel ······································································································································1-5 Rear Panel·······································································································································1-5 Power Supply System ·····················································································································1-5 Cooling System ·······························································································································1-5 3Com Baseline Switch 2928-PWR Plus ·································································································1-6 Front Panel ······································································································································1-6 Rear Panel·······································································································································1-6 Power Supply System ·····················································································································1-6 Cooling System ·······························································································································1-6 3Com Baseline Switch 2928-HPWRPlus·······························································································1-7 Front Panel ······································································································································1-7 Rear Panel·······································································································································1-7 Power Supply System ·····················································································································1-7 Cooling System ·······························································································································1-8Ports························································································································································1-8 Console Port····································································································································1-810/100/1000Base-T Ethernet Port···································································································1-81000Base-X SFP Interface··············································································································1-9LEDs······················································································································································1-10 Power LED ····································································································································1-10 RPS Status LED····························································································································1-10 Port Mode LED······························································································································1-1110/100/1000Base-TAuto-Sensing Ethernet Port Status LED·······················································1-111000Base-X SFP Interface Status LED ························································································1-13

2Installation Preparations···························································································································2-1Safety Precautions··································································································································2-1 Installation Site········································································································································2-1Temperature/Humidity·····················································································································2-1Cleanness········································································································································2-1 Electromagnetic Susceptibility·········································································································2-2

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Contents 3Com Baseline Switch 2900 Family Environmental Statement Conventions About This ManualOrganization Manual Description Related DocumentationObtaining Documentation Table of Contents Page Introduction Product OverviewPage Power Supply System 3Com Baseline Switch 2920-SFP PlusFront 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 Ports SpecificationConsole Port 10/100/1000Base-T Ethernet Port1000Base-X SFP Interface Transceiver Central Connector TypeFiber Max Transmis Sion DistanceRPS Status LED Power LEDLEDs 10/100/1000Base-T Auto-Sensing Ethernet Port Status LED Port Mode LEDPort Ethernet port status Switch model Mode Meaning LED 1000Base-X SFP Interface Status LED Safety Precautions Installation PreparationsInstallation Site Temperature/HumidityElectromagnetic Susceptibility Laser SafetyDust concentration limit in the equipment room Gas Maximum concentration mg/mInstallation Tools Model Mounting bracket Description Installing a SwitchIntroduction to Mounting Brackets Attaching the Mounting Brackets to a Switch See -6 , Figure Model Mounting position DescriptionMounting the Switch to a Rack Page When a Grounding Strip is Available Mounting the Switch on a WorkbenchConnecting the Pgnd Cable Page When the switch is AC-powered Where a Grounding Conductor Can be BuriedOther Installation Sites Connecting an AC Power Cord Connecting the Power CordConnecting an RPS DC Power Cord Verifying the InstallationPage Setting Up the Configuration Environment Initial Power-OnConnecting the Console Cable RJ-45 Signal Direction DB-9Connection Procedure Setting Terminal Parameters4Set the serial port used by the HyperTerminal connection 6HyperTerminal window Powering On the Switch Booting the SwitchChecking Before Power-On 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 Loading Software Approaches for Loading Application and Configuration FilesLoading Files Through the Boot ROM Menu Introduction to the Boot ROM Menu Introduction to Xmodem Loading Files Using Xmodem Through Console PortLoading a Boot ROM file 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 Password Loss Maintenance and TroubleshootingUser Password Loss Boot ROM Password LossWith AC power input Power Supply FailureWith RPS power input With both AC and RPS power suppliesTroubleshooting when the terminal display is illegible Configuration Terminal FailureTroubleshooting when there is no terminal display
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