Installation ManualH3C S5500-SI Complete Series Ethernet Switches Chapter 3 Installing the Switch3-19Note:When connecting a PC to a powered-on switch, you are recommended to connect theDB-9 connector of the Console cable to the PC before connecting the RJ-45 connectorto the switch. When disconnecting a PC from a powered-on switch, you arerecommended to disconnect the DB-9 connector of the Console cable from the PCafter disconnecting the RJ-45 connector from the switch.3.5 Installing and Removing Optional Interface ModulesThe S5500-SI series (excluding S5500-20TP-SI) provide two extended module slots onthe rear panel. You can select the following extended modules:z One-port 10 GE XFP interface modulez Dual-port 10 GE XFP interface modulez Short-haul dual-port 10 GE CX4 interface modules3.5.1 10 GE XFP Interface ModuleI. Appearance and front panel of a one-port 10 GE XFP interface moduleFigure 3-26 Appearance of a one-port 10 GE XFP interface moduleFigure 3-27 Front panel of a one-port 10 GE XFP interface module