Rockwell Automation 1738-AENTR, Series A 1734 POINT I/O and 1738 ArmorPOINT I/O 2 Port Ethernet/IP Adapter User Manual - Manual (Page 71)

Rockwell Automation Publication 1734-UM014B-EN-P - June 2013 63
Configure the Adapter for Direct Connection and Rack Optimization in RSLogix 5000 Software Chapter 5
7. Read and acknowledge the warning dialog.
8. Click OK to continue.
9. Notice the chassis size in the module is modified to 5.
10. Click OK.
At this point, your POINTBus status LED should be solid green. All the
yellow triangles in your I/O configuration should be gone.
11. Click OK to close the dialog.
12. Click File
→
Save to save the project.