LED |
Description |
SYSTEM |
The SYSTEM LED shows the status of the switch (system). |
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Off (dark) |
Switch is not powered on. |
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Solid green |
Switch is healthy. |
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Blinking green |
Switch is running power-on self-test (POST). |
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Solid amber |
Switch is faulty, is rebooting, or is in recovery. |
RPS |
The RPS LED shows the status of a connected redundant power system
(RPS). This LED is available on switches that support an RPS. |
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Off (dark) |
RPS is off or is not properly connected. |
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Solid green |
RPS is connected and is ready to provide back-up power. |
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Blinking green |
RPS is connected but is unavailable because it is providing power to another device. |
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Solid amber |
RPS is in standby mode or is in a fault condition. |
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Blinking amber |
Switch internal power supply has failed, and the RPS is providing power to the switch. |
MASTER |
The MASTER LED shows the stack master status. |
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Off (dark) |
Switch is not the stack master. |
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Solid green |
Switch is the stack master or a standalone switch. |
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Solid amber |
An error occurred when the switch was selecting the stack master switch or a stack error. |
STATUS |
The port LEDs are in port status mode. This is the default mode. |
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Off (dark) |
The port LEDs are not showing port status. |
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Solid green |
The port LEDs are showing port status. |
DUPLEX |
The port LEDs are in port duplex mode. |
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Off (dark) |
The port LEDs are not showing the port duplex mode. |
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Solid green |
The port LEDs are showing the port duplex mode. |
SPEED |
The port LEDs are in port speed mode. |
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Off (dark) |
The port LEDs are not showing the port speed. |
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Solid green |
The port LEDs are showing the port speed. |
STACK |
The port LEDs are in stack mode. |
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Off (dark) |
The port LEDs are not showing stack member status. |
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Solid green |
The port LEDs are showing stack member status. |
PoE |
The PoE LED shows the status of PoE being provided to the ports. This LED is available on switches that have PoE ports. |
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Off (dark) |
PoE to the ports is off. |
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Solid green |
One or more ports is receiving PoE. |
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Blinking amber |
One or more ports is not receiving PoE because of a fault. |
LED Mode |
Description |
Status |
In this mode, the port LEDs show port status. This is
the default mode.
To change the type of information displayed
through the port LEDs, you can choose a mode from the View list
or click the Mode button. To display the information of another switch in the
stack, choose a stack member number from the Stack list. |
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Off (dark) |
No link. |
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Solid green |
Link is up, but there is no activity on the link. |
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Blinking green |
Link has activity. |
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Solid brown |
Port is administratively disabled. |
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Yellow |
Port is error disabled. |
| Blinking green and amber |
Link is faulty. |
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Blinking amber |
Port has a Smartports configuration mismatch. |
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Solid amber |
Port is faulty, is disabled due to an error condition, or is in an STP-blocked state. |
Duplex |
In this mode, the port LEDs show the duplex mode (full duplex or half duplex) of the ports.
Note: The 10/100/1000 ports operate only in full-duplex mode. |
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Off (dark) |
No link. |
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Solid light blue |
Port is in half-duplex mode. |
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Solid green |
Port is in full-duplex mode. |
Speed |
In this mode, the port LEDs show the operating speed (10, 100, or 1000 Mb/s) of the ports. |
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Off (dark) |
No link. |
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Solid light blue |
10 Mb/s. |
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Solid green |
100 Mb/s. |
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Blinking green |
1000 Mb/s. |
Stack |
In this mode, the port LEDs show the switch member status. |
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Off (dark) |
No stack member corresponding to that member number. |
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Blinking green |
Stack member number of the displayed switch. |
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Solid green |
Member numbers of other stack member switches. |
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Solid amber |
Stack cable is not connected. |
PoE |
In this mode, the port LEDs show the status of the Power over Ethernet (PoE) ports. This LED is available on switches that have PoE ports. |
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Off (dark) |
No power is allocated. |
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Solid green |
Power is allocated. |
| Blinking green and amber |
Power is denied (to prevent exceeding power capacity). |
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Blinking amber |
Port is disabled due to a fault condition. |
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Solid amber |
Port is administratively disabled. |
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RJ-45 port |
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Small form-factor pluggable (SFP) module slot (empty) |
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Fiber-optic SFP module ports |
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1000BASE-T SFP module port |