100 Rockwell Automation Publication 5069-UM002A-EN-P - January 2019
Chapter 3 Start to Use the Controller
Disable the Ethernet Ports
You can disable either of the embedded Ethernet ports on the controller.
1. On the Online toolbar, click the Controller Properties icon.
2. On the Port Configuration tab, clear the Enable checkbox for the port
that you want to disable and click Apply.
3. If you are online when you make this change, click Yes on the Alert
dialog box.
• The change takes effect immediately.
• If you are offline, the change takes effect when you download the
program to the controller.
4. On the Port Configuration tab, click OK.
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