ZyXEL Communications ENC User Manual page 119

Select the individual managed devices to which you want to upload the selected configuration file.
4
You can display the list of available devices by OTV, device view, or group view. Click OK.
Set a date and time for the ENC to perform the update or leave Update Now selected to do it right
5
away. Click OK.
Make sure the ENC and the managed devices do NOT get turned off
during the update process, as it may leave the managed device
unusable.
ENC User's Guide
Chapter 4 Configuration
119