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Table 2. System LED Displays
System LED
Power
Status
NOTE: The front-end ports also contain LEDs that provide information about the link status and
traffic activity on a port.
NOTE: When the ingress air temperature exceeds 60°C, the Status LED turns amber and a major
alarm triggers.
Table 3. SFP+ Port LEDs
Port LED
Link LED
Activity LED
Hardware Overview
LED Color/Display
Green
Off
Blue
Off
Amber
LED Color/Display
Off
Solid green
Solid amber
Off
Blinking green
Description
Power is being supplied to the
switch.
The switch does not have power.
The switch is operating normally as
a standalone switch or as a stack
master.
The switch is not the stack master.
A fault has occurred or the switch
is booting.
Description
The port is down.
The port is up and can transmit
traffic at maximum speed. An SFP
+ port can transmit at 10G.
The port is up and is transmitting
traffic at lower than maximum
speed. An SFP+ port is
transmitting at 1G.
No traffic is being transmitted or
received on the port.
Traffic is being transmitted or
received on the port.
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