Hirschmann RS20 User Manual page 23

Access to the user interfaces
Note: The changes you make in the dialogs are copied to the device
when you click on "Write". Click on "Load" to update the display.
Note: You can block your access to the device by entering an incorrect
configuration.
Activating the function "Cancel configuration change" in the "Load/Save"
dialog enables you to return automatically to the last configuration after a
set time period has elapsed. This gives you back your access to the
device.
Basic Configuration L2P
Release 4.2 07/08
1.3 Web-based Interface
23