22RJ-45 Signal DB-9 Signal5 SG 5 SG6 RXD 3 TXD7 DSR 4 DTR8 CTS 7 RTSTo connect a terminal (for example, a PC) to the switch by using the serial console cable:1. Plug the DB-9 female connector of the serial console cable to the serial port of the PC.2. Connect the RJ-45 connector to the serial console port of the switch.NOTE:• Identify the mark on the console port and make sure you are connecting to the correct port.• The serial ports on PCs do not support hot swapping. To connect a PC to an operating switch,first connect the PC end. To disconnect a PC from an operating switch, first disconnect the switchend.Setting terminal parametersTo configure and manage the switch through the console port, you must run a terminal emulatorprogram, TeraTermPro or PuTTY, on your configuration terminal. You can use the emulator programto connect a network device, a Telnet site, or an SSH site. For more information about the terminalemulator programs, see the user guides for these programsThe following are the required terminal settings:• Bits per second—9600.• Data bits—8.• Stop bits—1.• Parity—None.• Flow control—None.Starting the switch1. Verify that the following requirements are met:{ The power cords are connected correctly.{ The input power voltage is as required by the switch.{ The console cable is connected correctly.{ The configuration terminal (a PC, for example) has started, and its serial port settings areconsistent with the console port settings on the switch.2. Power on the switch.During the startup process, you can access Boot ROM menus to perform tasks such assoftware upgrade and file management. The Boot ROM interface and menu options vary bysoftware version. For more information about Boot ROM menu options, see the release notesfor the device.3. After the startup completes, you can access the CLI to configure the switch.For more information about the configuration commands and CLI, see H3C S5120-SI SwitchSeries Configuration Guides and H3C S5120-SI Switch Series Command References.