HP Jetdirect 250m Print Server series - Manual (Page 88)

What is the state of the Status light?
The behavior of the Status light indicates the status of the print server's power connection and its physical
connection to the network. If the Status light on your print server is not ON (solid green or intermittently
flickering green), find its state in the list below and click on it to continue troubleshooting.
OFF
Blinking green
Blinking amber