Rockwell Automation 1738-AENT, Series B ArmorPOINT I/O Dual Port EtherNet/IP Adapters User Manual - Manual (Page 83)

Rockwell Automation Publication 1738-UM005A-EN-P - July 2013 73
Configure the Adapter for Direct Connection and Rack Optimization in RSLogix 5000 Software Chapter 5
7. Read and acknowledge the warning screen.
8. Click OK to continue.
Notice the chassis size in the module has been modified to 5.
9. Click OK to close the dialog.
At this point, verify that your POINTBus status LED is solid green and
that all the yellow triangles in your I/O configuration are gone.
10. Click File>Save to save the project.