Rockwell Automation 1738-AENTR, Series B POINT I/O and ArmorPOINT I/O Dual Port EtherNet/IP Adapters User Manual - Manual (Page 111)

Rockwell Automation Publication 1734-UM017B-EN-P - October 2013 105
Configure the RSLinx Ethernet Communication Driver Appendix C
5. Click Add New and enter the IP address or Host Name of your Ethernet
device (for example, 10.88.70.4, Pump1).
6. Repeat step 6 for each additional Ethernet device you need to access.
7. After entering the IP addresses, click Apply.
8. Click OK to close the Configure driver dialog.
The new driver appears in the list of configured drivers. Your list displays
the drivers you configured on your workstation.
9. Close the RSLinx software .