You can upload local files to a switch.

1. Choose Maintenance > System Maintenance > System and click the File Management tab.
2. Click Upload.
3. Select local files to be uploaded and click OK. After the files are uploaded, the system displays a message indicating the successful upload.
   NOTE:

   • You cannot upload a file with the same name as files in File Management.
   • You can only upload files with the following file name extensions: .cc, .pat, .zip, .7z, .txt, .log, .dblg, .cfg, .dat, .bat, .jpg, .jpeg, .png, .pem, .p12, .cer, .bin, .mod and .xml.
   • If the security level of the web browser is too high, the message "The security level of the browser is too high" may be displayed when you attempt to upload a file, as shown in Figure 7-23. In this case, choose Internet Options > Security, and click Custom level. In the displayed dialog box, set Initialize and script ActiveX controls not marked as safe for scripting and Include local directory path when uploading files to a server to Enable, as shown in Figure 7-24 and Figure 7-25.
   Figure 7-23  Exception message displayed on the web
   
   Figure 7-24  Enabling "Initialize and script ActiveX controls not marked as safe for scripting"
   
   Figure 7-25  Enabling "Include local directory path when uploading files to a server"
   

You can download files from the switch to a local device.

1. Choose Maintenance > System Maintenance > System and click the File Management tab.
2. Click next to a file to download the file.
   NOTE:

   You can only download files with the following file name extensions: .cc, .pat, .zip, .7z, .txt, .log, .dblg, .cfg, .dat, .bat, .jpg, .jpeg, .png, .pem, .p12, .cer, .bin, .mod and .xml.

After files are moved to the recycle bin, they still exist on the switch. You can restore the files in the recycle bin.

1. Choose Maintenance > System Maintenance > System and click the File Management tab.
2. Select the file to be deleted.
3. Click Delete.
4. Click OK in the dialog box that is displayed.

You can permanently delete files from the switch.

The files deleted permanently cannot be restored.

1. Choose Maintenance > System Maintenance > System and click the File Management tab.
2. Select the file to be deleted.
3. Click Delete Permanently.
4. Click OK in the dialog box that is displayed.

You can restore the files in the recycle bin to the storage device.

1. Choose Maintenance > System Maintenance > System and click the File Management tab.
2. Select the file to be restored.
3. Click Restore File to restore the file. The file will be removed from the recycle bin.

The files in the recycle bin still occupy storage space. You can delete useless files permanently from the recycle bin to save the storage space.

1. Choose Maintenance > System Maintenance > System and click the File Management tab.
2. Select the file to be deleted permanently.
3. Click Delete Permanently.
4. Click OK in the dialog box that is displayed.

1. Choose Maintenance > System Maintenance > System and click the System Time tab, as shown in Figure 7-26.
   Figure 7-26  System Time
   
   

2. Select a time zone from Select time zone and set DST to ON, as shown in Figure 7-27.
   Figure 7-27  DST Setting
   
   

   Table 7-14 describes parameters on the page.

   Table 7-14  DST parameters

   Parameter	Description
   The following parameters are valid only when DST Type is set to Absolute.
   Effective time	Specifies the start and end time of the absolute DST.
   DST difference	Specifies the DTS difference.
   The following parameters are valid only when DST Type is set to Timely.
   Start time	Select By week or By date to set the start time of DST.
   End time	Select By week or By date to set the end time of DST.
   DST difference	Specifies the DTS difference.
   Start and end years	Specifies the start and end years of a periodic DST.

3. After setting the parameters, click Apply.

Choose Maintenance > System Maintenance > System and click the System Time tab, as shown in Figure 7-26.

Current system time displays the current date and time.

• Automatic synchronization
  1. Click Auto.
  2. Set NTP server IP address and click Add to specify a remote NTP server.
  3. Click Apply to complete the configuration.
• Manual setting
  1. Click Manual.
  2. Set Date and Time.
  3. Click Apply to complete the configuration.

  The new date and time is displayed.

  • If the new time is 10 minutes later or 720 hours earlier than the scheduled reboot time, the system will display a message as shown in Figure 7-28, asking whether you want to disable the scheduled restart function.
    Figure 7-28   Information page
    
    
  • If the system time is changed to no more than 10 minutes later than the scheduled restart time, the system will display a message as shown in Figure 7-29, asking whether you want to restart the device immediately.
    Figure 7-29  Warning page
    
    

1. Choose Maintenance > System Maintenance > System and click the Initialization tab, as shown in Figure 7-31.
   Figure 7-31  Initialization
   
   

2. Click Initialization.
3. Click OK in the dialog box that is displayed.

1. Choose Maintenance > System Maintenance > System and click the Initialization tab, as shown in Figure 7-31.
2. Click Reset Root Password to restore the BootLoad password or BootROM password to default values.
3. Click OK in the dialog box that is displayed.

1. Choose Maintenance > System Maintenance > System and click the Service Management tab, as shown in Figure 7-32.
   Figure 7-32  Service management
   
   

2. Set the Telnet status to ON or OFF.
3. Click Apply and click OK in the displayed dialog box to enable or disable the Telnet service.

1. Choose Maintenance > System Maintenance > System and click the Service Management tab, as shown in Figure 7-32.
2. Set the STelnet status to ON or OFF.
3. Click Apply and click OK in the displayed dialog box to enable or disable the STelnet service.