3Com 2900 manual 3Com Baseline Switch 2928-SFP Plus

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3Com Baseline Switch 2928-SFP Plus

Front Panel

Figure 1-33Com Baseline Switch 2928-SFP Plus front panel

(1)	10/100/1000Base-T auto-sensing Ethernet port	(2)	Port status LED
(3)	Power LED (Power)	(4)	Console port
(5)	1000Base-X SFP interface

Rear Panel

Figure 1-43Com Baseline Switch 2928-SFP Plus rear panel

(1) AC receptacle

(2) Grounding screw

Power Supply System

AC power input:

Rated voltage range: 100 VAC to 240 VAC, 50 Hz or 60 Hz

Input voltage range: 90 VAC to 264 VAC, 47 Hz or 63 Hz

Cooling System

The 3Com Baseline Switch 2928-SFP Plus is equipped with one fan for heat dissipation.

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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 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 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 Site Installation PreparationsSafety Precautions Temperature/HumidityDust concentration limit in the equipment room Laser SafetyElectromagnetic Susceptibility 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 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 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 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 suppliesTroubleshooting when there is no terminal display Configuration Terminal FailureTroubleshooting when the terminal display is illegible