User ManualTable of Contents00-Cover.pdf1GUI conventions3Symbols301-Text.pdf51 Product Overview7Introduction73Com Baseline Switch 2920-SFP Plus9Front Panel9Rear Panel9Power Supply System9Cooling System93Com Baseline Switch 2928-SFP Plus10Front Panel10Rear Panel10Power Supply System10Cooling System103Com Baseline Switch 2952-SFP Plus11Front Panel11Rear Panel11Power Supply System11Cooling System113Com Baseline Switch 2928-PWR Plus12Front Panel12Rear Panel12Power Supply System12Cooling System123Com Baseline Switch 2928-HPWR Plus13Front Panel13Rear Panel13Power Supply System13Cooling System14Ports14Console Port1410/100/1000Base-T Ethernet Port141000Base-X SFP Interface15LEDs16Power LED16RPS Status LED16Port Mode LED1710/100/1000Base-T Auto-Sensing Ethernet Port Status LED171000Base-X SFP Interface Status LED192 Installation Preparations20Safety Precautions20Installation Site20Temperature/Humidity20Cleanness20Electromagnetic Susceptibility21Laser Safety21Installation Tools223 Installing a Switch23Installing the Switch into a 19-Inch Rack Using Mounting Brackets23Introduction to Mounting Brackets23Attaching the Mounting Brackets to a Switch24Mounting the Switch to a Rack26Mounting the Switch on a Workbench28Connecting the PGND Cable28When a Grounding Strip is Available28Where a Grounding Conductor Can be Buried30In Other Installation Sites30When the switch is AC-powered30Connecting the Power Cord31Connecting an AC Power Cord31Connecting an RPS DC Power Cord32Verifying the Installation324 Initial Power-On34Setting Up the Configuration Environment34Connecting the Console Cable34Console Cable34Connection Procedure35Setting Terminal Parameters35Booting the Switch38Checking Before Power-On38Powering On the Switch38Changing the Boot Mode405 Loading Software43Introduction43Approaches for Loading Application and Configuration Files43Loading Files Through the Boot ROM Menu43Introduction to the Boot ROM Menu44Loading Files Using XMODEM Through Console Port45Introduction to XMODEM45Loading a Boot ROM file45Loading Files Using TFTP Through Ethernet Port53Introductin to TFTP53Loading a Boot ROM file53Loading an application file55Loading Files Using FTP Through Ethernet Port56Introduction to FTP56Loading a Boot ROM file56Loading an application file596 Maintenance and Troubleshooting60File Loading Failure60Password Loss60User Password Loss60Boot ROM Password Loss60Power Supply Failure61With AC power input61With RPS power input61With both AC and RPS power supplies61Configuration Terminal Failure62Troubleshooting when there is no terminal display62Troubleshooting when the terminal display is illegible62Size: 2.89 MBPages: 62Language: EnglishOpen manual