User ManualTable of Contents3Com Family Switch 7750Installation Guide1Contents3About This Guide5Conventions5Related Documentation5Switch 7750 Components7Switch Chassis7Switch Backplane7Fabric Module8Submodule Slot9Fixed Ports10Module LEDs12Power LEDs12Fan LED12Reset Button12Fabric 32 Submodules124-Port 1000BASE-X-GBIC Submodule124-Port 10/100/1000BASE-T Submodule13I/O Modules1448-port 10/100BASE-T FE PoE Module1548-port 10/100/1000BASE-T PoE Module1648-port 10/100BASE-TX FE Module1748-port 10/100/1000BASE-T Module1948-port 100BASE-X SFP Module2024-port 100BASE-FX MMF FE Module2120-Port 10/100/1000BASE-T Module2320-Port 1000BASE-X-SFP Module2412-port 10/100/1000BASE-T and 4-port 1000BASE-X SFP Module2512-port 1000BASE-X SFP and 4-port 10/100/1000BASE-T Module278-port 1000BASE-X GBIC Module308-port 10/100/1000BASE-T GE Module31Power Module33Power Distribution33External PoE Power System33Fan Assembly34Switch 7750 Specifications35Installing The Switch 775037Preparing to Install37General Safety Recommendations37Electrical Safety38Moving the Switch38Laser Safety38General Site Requirements38Installation Space39Installation Checklist39Installing the Chassis40Installing in a Standard Cabinet40Installing on a Workbench40Installing the Cabling Rack40Installing a Module41Installing a Submodule41Connecting the Ground Wire42Connecting and Configuring Power42Connecting AC Power Cords42Connecting DC Power Cords43Configuring AC Power Sources43Connecting the PoE Power Cord44Installing the Fan Assembly45Installing Cables45Connecting the Console Cable45Connecting the AUX Cable45Connecting Module Cables46Installing Cabling47Bench-Mounted Switch47Rack-Mounted Switch47Cable Binding47Post-installation Checklist48Configuring the Switch 775049Configuring the Switch 7750 and a Local Terminal49Setting Terminal Parameters49Booting the Switch 775052Powering up and Booting53Maintaining Software55Upgrading Software55Upgrading the Software Image55Upgrading Software with FTP55Upgrading Software Using The BOOT Menu56Upgrading Software Using Xmodem60Upgrading Software Using TFTP62Upgrading Software in the Secondary Fabric of the 8-slot Chassis63Lost Passwords63Using the BOOT Menu63Troubleshooting67Troubleshooting the Configuration67No information is displayed on the terminal67The display characters are illegible67Troubleshooting Power67Troubleshooting the Fan68Troubleshooting the Modules68Maintaining Hardware69Replacing a Power Module69Removing the AC Power Module69Installing the AC Power Module69Replacing a Power Supply70Replacing I/O Modules71Replacing the Fan Assembly71Obtaining Support for your Switch73Register Your Product to Gain Service Benefits73Purchase Value-Added Services73Troubleshoot Online73Access Software Downloads73Contact Us74Telephone Technical Support and Repair74Switch 7750 Cables77Console Cable77AUX Cable77Electrical Port Connector78Optical Fiber Cable Connectors79Size: 2.13 MBPages: 80Language: EnglishOpen manual
