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The port LEDs are grouped to the left of their corresponding 
| 
 | Table  | 
| 
 | Port LEDs Defined | 
| 
 | 
 | 
| Name | Function | 
| Gigabit Ethernet Ports | L LED On: Indicates a valid connection (link) on the associated port. | 
| 
 | L LED Off: Indicates no link on the associated port. | 
| 
 | A LED flashing: Indicates the presence of transmit and/or receive activity. | 
| 
 | A LED Off: Indicates the absence of transmit or receive activity. | 
| L LED On: Indicates a valid connection (link) on the associated port. | |
| Default Configuration | L LED Off: Indicates no link on the associated port. | 
| 
 | |
| 
 | A LED flashing: Indicates the presence of transmit and/or receive activity. | 
| 
 | A LED Off: Indicates the absence of transmit or receive activity. | 
| 
 | 
 | 
| L LED On: Port is in the full duplex mode. | |
| button pressed | L LED Off: Port is in the half duplex mode. | 
| 
 | |
| 
 | A LED On: Indicates the port is in the  | 
| 
 | A LED Off: Indicates the port is in the  | 
| 
 | 
 | 
| Fiber Ports (SW3323) with | Link LED On: Indicates a valid connection (link) on the associated port. | 
| fiber card  | Link LED Off: Indicates no link on the associated port. | 
| 
 | |
| 
 | Activity LED flashing: Indicates the presence of transmit and/or receive activity. | 
| 
 | Activity LED Off: Indicates the absence of transmit or receive activity. | 
| 
 | 
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