Allied Telesis CentreCOM AT-3714F Installation Manual page 24

Installing the Switch
2-6
As power is applied to the switch, the switch runs its own internal
testing.
LED Color
POWER Green
(system)
FAULT Red
(system)
LINK Green
(Ethernet)
Activity Green
If the POWER LED does not light green, see Chapter 3,
"Troubleshooting" for further information.
Table 2-1 LEDs
State
ON The switch is receiving power,
voltage is within the acceptable
range, and the power supply is
working.
ON The switch or management
software is malfunctioning.
Flashing Running diagnostics.
ON There is a physical link with a
device.
Flashing The Ethernet port is receiving/
transmitting packets.
Description