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Фрагмент инструкции
CONFIGURATION This Switch is an unmanaged, but “smart” Switch because programmable administration parameters make the Switch operate more effectively than unmanaged (dumb) switches. This chapter will describe how to configure the Switch. Console Port (RS-232 DCE) The console configuration requires connecting a terminal, such as a Workstation or a PC running a terminal emulation program (such as HyperTerminal, which is automatically installed with Microsoft Windows) a to the RS-232 DCE console port of the Switch. The console port is set at the factory for the following configuration: • Baud rate: 9,600 • Data width: 8 bits 15 • Parity: none • Stop bits: 1 • Flow control: None Make sure the terminal or PC you are using to make this connection is configured to match these settings. For example, run the Hyperterminal program packaged with Windows 98/ME/2000/XP, the process will procede as follow: Step 1. Click Start Accessories CommunicationsHyper Terminal (Figure 6), and then the Connection Description screen will be shown as Figure 7. Figure 6. Start Hyper Terminal function Step 2. Enter a name in the blank to set up a new connection, and then press OK. 16 Figure 7. Connection Description Step 3. The Connect To screen will appear as below. Pull down the Connect using and choose the COM port that the Switch has been connected to, then press OK. Figure 8. Connect To Step 4. Make sure the Switch serial port parameters have been set as per the factory default settings (Figure 9). Click OK to configure the Switch. 17 Figure 9. Port Settings Configuring the Switch The 24-Port 10/100Mbps Fast Ethernet Smart Switch has a menu-driven console interface for smart switch configuration. The Switch can be configured through the serial port. A network administrator can manage, control and monitor the switch from the console program. This section indicates how to configure the Switch to enable its smart functions including: • Setup There are two items such as Port Configuration and VLAN, shown in the Setup screen. Each function of these two items will be illustrated in the following sections. • System 18 In the System screen, Factory Reset, Change Password, Confirm Password, Refresh Time, and Login Timeout, can be viewed and changed. System Uptime can’t be altered and governed by the Switch. • File The Switch can be uploaded or downloaded its configuration file by using Upload Configuration or Download Configuration in the File setting screen. • Statistics In the Statistics menu screen, each port’s data transferring and receiving status can be viewed, but can’t be changed. Login First execute the terminal emulation program on the remote workstation, and turn on the Switch. When login to the Switch, the following screen (Figure 10) prompt: Password: 19 Figure 10. Login Input the password in the blank, and then press Enter to login Main Menu. If you manage the Switch for the first time, you should input the factory default password “admin” to login to the Switch. To change the password, first highlight SystemChange Password to input your new password, and then highlight Confirm Password to input your new password again to ascertain it. Main Menu The main menu appears, as shown in Figure 11. Find the console keys in the lower part of the screen. Move to highlight a desired option by using Up Arrow, Down Arrow and Tab keys, and then press Enter key to confirm. There are four options: Setup, System, File, and Statistics, shown in the Main Menu screen. 20 Figure 11. Main Menu Configuring Setup Setting Note that there are two items, Port Configuration and VLAN in Setup menu, shown as Figure 12. 21 Figure 12. Setup Menu • Port Configuration In Port Configuration menu (Figure 13), each port’s (port 25: Fibre Port) Speed, Flow Control, and QoS can be controlled. Link Status is automatically determined by the Switch and can’t be shifted. Figure 13. Port Configuration 22 (1) Speed There are five modes— Auto, 100M Full, 100M Half, 10M Full, and 10M Half—for speed selections. To change the speed setting, highlight Port and enter the port number to select the desired port, next highlight Speed, click Enter, and use Space Bar to switch between the five different options. (2) Flow Control This setting determines whether or not the Switch will be handling flow control. To change the flow control setting, highlight Port and enter the port number to select the desired port. Set FlowCtrl to ON for avoiding data transfer overflow. Or set it to OFF where there is either no flow control, or this is handled by other hardware/software management. (3) QoS If some ports need to have priority for data management transfer, then QoS can be changed. QoS has two settings to choose from, High and Low. The default setting for QoS on all ports is High. To change the QoS setting, highlight Port and enter the port number to select the desired port. Set QoS as required to determine which ports will always transfer their data first. (4) Link Status This value is ...