Allied Telesis AT-FS217 - Manual (Page 27)

15
Chapter 3
Troubleshooting
Follow the guidelines below to test and troubleshoot the installation in the
event a problem occurs.
If the PWR LED is OFF, do the following:
❑ Make sure that the power adapter is securely connected to a power
source and the DC power cord on the adapter is securely connected to
the DC power connector on the switch.
❑ Verify that the power outlet has power by connecting another device
to it.
❑ Try connecting the switch to another power source.
❑ Try using another power adapter of the same type that came with your
switch.
If the TX LED for the twisted pair port is powered OFF, do the following:
❑ Check that the end-node connected to the port is ON and is operating
properly.
❑ Check that the twisted pair cable is securely connected to the twisted
pair port on the switch and on the end-node.
❑ Make sure that the twisted pair cable does not exceed 100 meters (328
feet).
❑ If the end-node is operating at 100 Mbps, verify that you are using
Category 5 or better twisted pair cabling.
If the FX LED for the fiber optic port is powered OFF, do the following:
❑ Verify that the end-node connected to the port is ON and is operating
properly.
❑ Check that the fiber optic cable is securely connected to the fiber optic
port on the switch and on the end-node.