Figure 2-12 Connecting The Ethernet Cable - Silicon Graphics IRIS Indigo Owner's Manual

9. If you are using a network, attach the Ethernet cable, as shown in Figure 2-12.
Get a cable (drop line) from your network administrator that reaches the back of
your workstation.
Make sure the sliding bracket is pushed all the way up.
Plug the cable into the port labelled Ethernet.
Slide down the bracket to hold it in place.
Route the cable through the U-shaped bracket.
Figure 2-12 Connecting the Ethernet Cable
Putting the Pieces Together
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