2.11 LED Indication
LED Function Color
State
Interpretation
POWER
Power status
Green ON
The power is supplied to the switch.
OFF
The power is not supplied to the switch.
Mngt
Management status Green OFF
The switch is in initialization and diagnostics.
BLINK The switch is initialized completely with diagnostic error.
ON
The switch is initialized completely and normal.
SA
Stack port A status Green ON
Stack port A link up
OFF
Stack port A link down
SB
Stack port A status Green ON
Stack port B link up
OFF
Stack port B link down
1000M
Port speed status Green ON
1000Mbps is selected and PoE power is OFF.
BLINK 1000Mbps is selected and PoE power is ON.
Amber ON
10/100Mbps is selected and PoE power is OFF.
BLINK 10/100Mbps is selected and PoE power is ON.
Link/Act.
Port link status
Green ON
Port link is established. (No traffic)
BLINK Port link is up and there is traffic.
OFF
Port link is down.
F21
Port F21 status
Green OFF
RJ-45 copper connection is selected on Port 21.
ON
SFP fiber connection is selected on Port 21.
F22
Port F22 status
Green OFF
RJ-45 copper connection is selected on Port 22.
ON
SFP fiber connection is selected on Port 22.
F23
Port F23 status
Green OFF
RJ-45 copper connection is selected on Port 23.
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