Front Panel LEDS
S3900-24T4S-R
SYS Link/Act
PWR
S3900-48T6S-R
RJ45
SFP+
SYS
PWR
S3900-24F4S-R
SYS
Link/Act
PWR
Switch is powered on.
System is working properly.
System is started normally.
System is not working properly.
Data is being transmitted or received.
no signal transmission.
Data is being transmitted or received.
No device is connected to the corresponding port.
LEDs DescriptionStatus
PWR
Green
SYS
Green
Blinking Green
O
Link/Act
Green
O
RJ45/SFP+
Green
O
4
EN
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