LED |
Description |
SYSTEM |
This LED shows the status of the switch (system). |
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Off (dark) |
The switch is not powered on. |
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Solid green |
The switch is healthy. |
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Blinking green |
The switch is running power-on self-test (POST). |
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Solid amber |
The switch is faulty, is rebooting, or is in recovery. |
STATUS |
This LED shows that 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 |
This LED shows that 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 |
This LED shows that 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. |
Ethernet Management Port |
This LED shows the status of the Ethernet Management (Fa0) port. |
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Off (dark) |
No link is present on the port. |
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Solid green |
Link is present between the port and management station. |
LED Mode |
Description |
Status |
In this mode, the port LEDs show port status, port duplex mode, and port speed.
By default, the port LEDs show port status. To display the port duplex mode and the port speed from the port LEDs, you must use the View list from the device manager or the Mode button on the physical switch. |
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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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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 or 10 Gb/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. |
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Fast blinking green |
10 Gb/s. |
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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 |
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Cisco Dual SFP X2 converter module (empty) |
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10-Gigabit X2 module slot (empty) |
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X2 transceiver module ports
(such as for the 10GBASE-SR module) |
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X2 transceiver module port
(for the 10GBase-CX4 module) |