Table 14
System status LED description
LED Status Description
PWR
Steady green
The switch is operating properly.
Flashing green (1
Hz)
The switch is performing power-on self test (POST).
Steady red
POST has failed.
Flashing yellow (1
Hz)
Some ports have failed to pass POST.
Off
The switch is powered off.
DC power LED
NOTE:
This LED is not available on the 3600-24 v2 SI Switch and 3600-48 v2 SI Switch switches.
The DC power LED shows the DC power and AC power supplying status.
Table 15
DC power LED description
LED Status
Description
RPS
Steady green
Both DC power input and AC power input are normal.
Steady yellow
DC power input is normal but AC power input is experiencing a
problem or disconnected from the power source.
Off
The DC input is not connected.
Port mode LED
The port mode LED indicates the type of information that the port LEDs are showing.
You can use the port LED mode switching button to change the type of displayed port information.
Table 16
Port mode LED description
LED Status
Description
Mode
Steady green
The port LEDs are showing port rates.
Flashing green (1 Hz) (available only
for PoE switches)
The port LEDs are showing the status of PoE
power supply on the ports.
Steady yellow
The port LEDs are showing duplex modes.
Seven-segment LED
The seven-segment LED, together with the system status LED, shows detailed system operating information
(see
Table 17
).
49
