7
【
LED indicator
】
IT-ES3020-IU-4GS series LED indicator light on the front panel .the function of each LED is described in the table as below:
System status LED
LED
Indicator
Description
P1
ON
P1 connection regularly
OFF
P1
Power
supply
have
no
connection or unwonted
P2
ON
P2 connection regularly
OFF
P2
Power
supply
have
no
connection or unwonted
ALARM
ON
Power, port have alarm
OFF
Power, port have no alarm
RUN
ON/OFF
Device unwonted
Blinking
Device working steadily, Blinking
per second
Link/Act
(
1
~
16
)
ON
100M port Established effective
network connection
Blinking
100M port Network in activity
status
OFF
100M port did not establish
effective network connection
Link/Act
(
G1
~
G
4
)
ON
1000M port Established effective
network connection
Blinking
1000M port Network in activity
status
OFF
1000M port did not establish