Questions About TAPCON230 EXPERT

I need help using the TAPCON230 Expert's ethernet port. I happen to be unable to communicate through it, nor does the switch indicator light come on when I plug a cable into it. I don't want to use the other serial ports; I would like to use ethernet.
We have to ask if you have set up the Ethernet port in accordance with Section 7.13 of the Operating Instructions, and detail what those settings are.