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18
3.3.
LED Indicators
This Switch is equipped with Unit LEDs to enable you to determine the status of the Switch, as
well as Port LEDs to display what is happening in all your connections. They are as follows:
System LEDs
PWR
Illuminated Primary Power on
Off
Primary Power off or failure
RPS
Illuminated Redundant (secondary) Power on
Off
Redundant Power off or failure
ALM
Illuminated
Alarm for following conditions (when DIP
switches are turned on)
Primary Power lost
Secondary power lost
If storm control exceeds the threshold
If port 9,10 are link down
Off
Normal operation
Interface LED
SFP (port 9-10)
Illuminated Ethernet link-up
Blinking
Activity (receiving or transmitting data)
Off
Port disconnected or link failed
PoE (1-8 Copper Port)
Illuminated Supplying power to PD
Off
No any power supply to PD
Port Number 1-8 Copper port LED (1000Mbps)
Alarm Relay
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