HP Jetdirect pn1050 Setup Manual page 7

4. Plug the power cable from the power module into the server module, then
plug the power module into a power outlet.
5. Check the indicator lights on the server module:
■ The power/status light (2) on top of the server module should light solid
green within 15 seconds to show proper startup. Then it may flicker
irregularly to show network communication.
One of the LAN connector lights (3) should turn on to show the network
■
connection speed.
■ The USB/projector light (1) on top of the server module should light
solid green to show a good USB connection.
If any of these does not occur, see "Indicator Lights" on
Installing the HP Jetdirect Module 7
page 14.