HP Jetdirect 250m Print Server series - Manual (Page 96)

Is one of the link lights ON (solid green)?
10 light 100 light
Check the link lights on your print server; these lights are built into the network connector. One of the
link lights -- either the 10 light or the 100 light, but not both -- should be ON solid green (not blinking), to
indicate a valid network connection.
Is either the 10 light or the 100 light ON solid green?