LEDs
14
6 LEDs
Table 8 Front Panel LEDs
LED
State
Description
Power 1 LED-PWR1
On
Power 1 is connected and operates properly.
Off
Power 1 is not connected or operates abnormally.
Power 2 LED-PWR2
On
Power 2 is connected and operates properly.
Off
Power 2 is not connected or operates abnormally.
Running LED-Run
On
The CPU is starting up.
Blinking
The CPU operates properly.
Off
The CPU does not start up.
10/100Base-T(X) Ethernet port speed
LED (yellow)
On
100M working state (100Base-TX)
Off
10M working state (10Base-T) or no connection
10/100Base-T(X)
Ethernet
port
connection status LED (green)
On
Effective port connection
Blinking
Ongoing network activities
Off
No effective port connection
Sn-T(green)
Blinking
Serial port n has a data signal sent
Off
Serial port n No data transfer
Sn-R(green)
Blinking
Serial port n has data signal reception
Off
Serial port n No data transfer
Note
:
In the above table, the value of n is 1, 2, for example, S1 is the serial port 1.