User's Manual

11
Figure 3-2 Importing/Exporting configuration
After importing the configuration file, click Save configurations. The parameter settings take
effect after a restart.
3.4 Upgrade Device
Choose “Maintenance > Upgrade firmware”.
(1) Select a new DTU firmware to upload, as shown in Figure 3-4;
(2) Click the "Upgrade" button to start the upgrade, and its progress bar is displayed,
as shown in Figure 3-5;
(3) Popup a message box to remind you restart the device, as shown in Figure 3-6;
(4) The DTU device will establish a connection with DTUTool again, log into the
device, and check the firmware version currently in effect in the status bar to
confirm whether the upgrade is successful, as shown in Figure 3-7.