54 Rockwell Automation Publication 1756-UM001M-EN-P - February 2012
Chapter 3 Start Using the Controller
4. Expand the network driver to locate your controller.
5. Select your controller and click Next.
6. Select the firmware revision you want to upgrade to and click Next.
1756-L7x Controller with USB Network Driver
1756-L6x Controller with Ethernet Network Driver
1756-L6x Controller Upgrade1756-L7x Controller Upgrade