Planet IGS-5225 Series User Manual page 52

 Per 100/1000BASE-X SFP Interface (Port-5~Port-6)
LED Color
Lights Indicating the port is running at 1000Mbps speed and successfully established.
1000
Green
LNK/ACT
Blinks Indicating that the switch is actively sending or receiving data over that port.
Lights Indicating the port is running at 100Mbps speed and successfully established.
100
Amber
Blinks Indicating that the switch is actively sending or receiving data over that port.
LNK/ACT
port.
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User's Manual of IGS-5225 series
Function