SICOM3028GPT/3424PT/3028GP/3424P User’s Manual-v1.2
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Table 7 SICOM3028GPT/3424PT/3028GP/3424P Front Panel LEDs
LED
State
Description
System Running LED
Run
ON
CPU operates abnormally or the switch is in the
power on and startup process
Blinking
(1Hz)
CPU operates normally
OFF
CPU does not start up
Alarm LED
Alarm
Blinking
(5Hz)
System alarm
OFF
No system alarm
Power LEDs
PWR1
ON
Power 1 connects and operates normally.
OFF
Power 1 disconnects or operates abnormally.
PWR2
ON
Power 2 connects and operates normally.
OFF
Power2 disconnects or operates abnormally.
Ring LED
Ring
Blinking
Ring mode and the switch is slave of ring.
ON
Ring mode and the switch is master of ring.
OFF
No ring mode.
Synchronization Finish LED
Lock
ON
The switch has finished PTP synchronization.
Blinking(1HZ) PTP synchronizing.
OFF
The switch does not st art up with PTP
synchronization.
Port LEDs
Speed 10/100/1000Base-T(X)
ON
1000M working state
OFF
10/100M working state or no connection