8
Troubleshooting
You can use the LEDs to troubleshoot hardware problems.
Power LED Is Off
The switch has no power.
•
Make sure that the power cord is securely connected to the
switch.
•
Make sure that the power cord is connected to a functioning
power outlet. If it is connected to a power strip, make sure that
the power strip is turned on. If the socket is controlled by a light
switch, make sure the switch is in the on position.
Port LEDs
If a port LED is off for a connected device or the LED stays on
continuousl,y there is a hardware connection problem.
•
Make sure that the cable connectors are securely plugged in to
the switch and the device.
•
Make sure that the connected device is turned on.
•
If the Ethernet cable is connected to a network interface card or
other Ethernet adapter, make sure that the card or adapter is
installed correctly and is working.
•
Make sure that the cable is less than 328 feet (100 meters) long
.
Full_IG.book Page 8 Monday, January 9, 2012 6:11 PM
