LEDs
18
5 LEDs
Table 13 Front Panel LEDs
LED
State
Description
Power 1 LED
On
Power 1 is connected and operates properly.
Off
Power 1 is not connected or operates abnormally.
Power 2 LED
On
Power 2 is connected and operates properly.
Off
Power 2 is not connected or operates abnormally.
Running LED
Blinking
The CPU operates properly.
On
The CPU operates abnormally.
Off
The CPU operates abnormally or does not start up;
the device is starting up.
Alarm LED
On
An alarm occurs.
Off
No alarm occurs.
100Base-FX Ethernet port speed
LED
On
100M working state (100Base-FX)
Off
No connection
100Base-FX
Ethernet
port
connection status LED
On
Effective port connection
Blinking
Ongoing network activities
Off
No effective port connection
10/100Base-T(X)
Ethernet
port
speed LED
On
100M working state (100Base-TX)
Off
10M working state (10Base-T) or no connection
10/100Base-T(X)
Ethernet
port
connection status LED
On
Effective port connection
Blinking
Ongoing network activities
Off
No effective port connection
Table 14 Rear Panel LEDs
LED
State
Description