Planet Technology FNSW-1601 - Manual (Page 9)

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2.2.3 Status LEDs
One green LED to show power On/Off is on the front panel. Also,
each port has three status LED indicators, as shown below.
Label Status /
Color Meaning Description
Steady
Green Link Lit to indicate a valid physical
UTP/STP connection exists L OWER
R OW
Blink
Green Active Blink to indicate the port is
receiving data packets
M IDDLE
R OW
Steady
Green 100M Lit to indicate that a valid
physical UTP/STP connection
exists on that port runs in
100Mbps
Steady
Orange Full-Duplex Lit to indicate Full-Duplex
mode detected on that port
U PPER
R OW
Blink Or-
ange Collision Blinks if a collision is detected
when the port is in Half-Duplex
mode
Table B: The Switch's Port-LED Functions