MeaningPort LED ColorPort Mode
No stack member corresponding to that member number.
OffSTACK (stack
member)
Stack member number.Blinking green
Member numbers of other stack member switches.Green
PoE+ is off.
If the powered device is receiving power from an AC
power source, the port LED is off even if the device is
connected to the switch port.
OffPoE+
2
PoE+ is on. The port LED is green when the switch port
is providing power.
Green
PoE+ is denied because providing power to the powered
device will exceed the switch power capacity.
Alternating green-amber
PoE+ is off due to a fault or because it has exceeded a
limit set in the switch software.
PoE+ faults occur when noncompliant
cabling or powered devices are connected
to a PoE+ port. Use only standard-compliant
cabling to connect Cisco prestandard IP
Phones and wireless access points or IEEE
802.3af-compliant devices to PoE+ ports.
You must remove from the network any
cable or device that causes a PoE+ fault.
Caution
Blinking amber
PoE+ for the port has been disabled.
PoE+ is enabled by default.
Note
Amber
2
Only switches with PoE or PoE+ ports.
Beacon LED
The UID and the Beacon LED can be turned on by the administrator to indicate that the switch needs attention.
It helps the administrator identify the switch. The beacon can be turned on by either pressing the UID button
on the switch front panel, or by using the CLI. There is a blue beacon on the front and rear panel of the switch.
The blue beacon on the front panel is a button labeled UID, and on the back panel it is a LED labeled BEACON.
DescriptionColor/State
The operator has indicated that the system needs
attention.
Solid blue
Cisco Catalyst 9300 Series Switches Hardware Installation Guide
20
Product Overview
Beacon LED
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