3Com 4210G manual Mounting the Switch on a Workbench

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Figure 3-10Effect diagram of front and rear mounting bracket installation (2)

(1)	Load-bearing screw	(2) Rear mounting bracket
(3)	Front panel	(4) Screw used to fix front mounting brackets to front brackets
(5)	Front mounting bracket	(6) Front square-holed post

Mounting the Switch on a Workbench

In many cases, standard 19-inch racks are not available. Therefore, switches are often placed on clean workbenches. To place your switch on a workbench, you simply need to:

z z

z z

Make sure that the workbench is clean, flat, and sturdy.

Make sure that the environment is well ventilated and allows 10 cm (3.94 in.) of space around the chassis for heat dissipation.

Do not place heavy objects on your switch.

The vertical distance between two switches must be at least 1.5 cm (0.59 in).

3-8

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Contents 3Com Switch 4210G Family Environmental Statement About This Manual Chapter ContentsOrganization ConventionsObtaining Documentation Related DocumentationCreate Folder Convention DescriptionTable of Contents Page Iii 4210G 24-Port 4210G 48-Port 4210G PWR 4210G NT OverviewVDC Switch 4210G 24-Port Introduction to Switch 4210GSwitch 4210G 48-Port Switch 4210G PWR 24-Port Switch 4210G PWR 48-Port Switch 4210G NT 24-Port Ports Switch 4210G NT 48-PortConsole Port 10/100/1000Base-T Ethernet Port Specification1000Base-X SFP Port Combo Port LEDsModel SFP port 10/100/1000Base-T Ethernet port LEDsSystem Status LED Port Mode LEDRPS Status LED Status DescriptionStatus Seven-Segment LEDSystem status Seven-segment LED Description 10/100/1000Base-T Auto-Sensing Ethernet Port Status LED 1000Base-X SFP Port Status LED Status Description Port mode Ethernet portInterface Module Status LED Optional Interface ModulesShort-haul Dual-Port 10 GE CX4 Interface Module Mark Status DescriptionDual-Port 10 GE XFP Interface Module CX4 Cable Connector type LengthOne-port 10 GE XFP Interface Module Central Max Transceiver Connector Fiber TransmissionDistance Dual-Port 10 GE SFP+ Interface Module Connector Fiber Transmission Cable type DistanceTransceiver Central Max 22 SFP+ cable Description of LEDs of Interface ModulesInstallation Site Safety PrecautionsCleanness Temperature/HumidityElectromagnetic Susceptibility Gas Maximum concentration mg/mLaser Safety Installation ToolsInstallation Flow of the Switch Installing the SwitchIntroduction to Mounting Bracket Model Physical dimensions × W × D Use Front Mounting Brackets to Install a SwitchConfiguration Type of front Mounting bracket Configuration Type of rear Mounting BracketUse Front Mounting Brackets and a Tray to Install a Switch Use Front and Rear Mounting Brackets to Install a Switch Page Page Mounting the Switch on a Workbench When a Grounding Strip is Available Connecting the Grounding CableWhere a Grounding Conductor Can be Buried Other Installation Sites Connecting the AC Power Cord Connecting the Power CordsSwitch module Power supply Connection method Mode 16Connect an AC power cord to a horizontal AC power socket Connecting the RPS Power CordPage Installing an Interface Card Installing an Interface ModuleRemoving an Interface Module Installing Dedicated CX4/SFP+ CableRemoving Dedicated CX4/SFP+ Cable Installing Switches for an IRFTask Remarks Installation Flow for an IRFFor details, see Installing an Interface Module Drawing a Plan for an IRF with SwitchesConfigure the physical connection mode Page 29Cable connections for an IRF with 1-port interface modules Verifying the InstallationConnecting the Console Cable Setting up the Configuration EnvironmentRJ-45 Signal Direction DB-9 Console CableConnection Procedure Setting Terminal Parameters4Set the serial port used by the HyperTerminal connection 6HyperTerminal window Checking before Powering on the Switch Booting the SwitchPowering on the Switch Describes the fields above 2Description on the fields Changing the Startup Mode Enter Y. The system displays the following information BUS Clock Speed 33MHz Memory Size 128MB Mac Address Page Boot Menu Loading Software Through the Boot ROM MenuIntroduction to Loading Modes Press Ctrl + B. The system displays Introduction to Xmodem Loading Software Using Xmodem Through Console PortROM file effective Required2Properties dialog box Cccccccccccccccccc CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCdone Loading host software Loading Software Using Tftp through Ethernet PortLoad File name Introduction to FTP Loading Software Using FTP Through Ethernet PortDescription Loading Software Through CLI Loading Software Using FTPUpdate the Boot ROM program on the switch Loading Software Using TftpMissing User Password Password Missing FailureMissing Boot ROM Password Software Loading FailureAC input Power Supply FailureRPS input RPS&AC inputMark State System status LED Fan FailureSteady red Troubleshooting when there is no terminal display Configuration System FailureTroubleshooting when the terminal display is illegible