Comtrol Modbus TCP User Guide - Manual (Page 60)

60 - Chapter 3. Embedded Configuration Pages DeviceMaster UP Modbus/TCP User Guide: 2000447 Rev. I
Configuring Security
3. Click Set for the appropriate key or
certificate option in the Keys and Certificate
Management area to configure security keys
and certificates.
4. Click Browse to locate the key or certificate
file, highlight the file, and click Open.
5. Click Upload when you return to the Key and
Certificate Management area.
Note: The key or certificate notation changes
from factory or none to User when the
DeviceMaster UP is secure.
6. Click Save so that you can access the
Configuration Updated page, click the
Reboot button.
Note: Changes do not take effect until the DeviceMaster UP is rebooted.