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 /
Meaning
Color
Steady
Link
L
OWER
Green
R
OW
Blink
Active
Green
M
Steady
100M
IDDLE
Green
R
OW
Steady
Full-Duplex Lit to indicate Full-Duplex
U
PPER
Orange
R
OW
Blink Or-
Collision
ange
Table B: The Switch's Port-LED Functions
Description
Lit to indicate a valid physical
UTP/STP connection exists
Blink to indicate the port is
receiving data packets
Lit to indicate that a valid
physical UTP/STP connection
exists on that port runs in
100Mbps
mode detected on that port
Blinks if a collision is detected
when the port is in Half-Duplex
mode
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