NIC Indicator Codes

Each NIC on the back of the system has indicators that provide information about the activity and link status. The activity LED indicator indicates if data is flowing through the NIC, and the link LED indicator indicates the speed of the connected network.

Figure 1:
  1. Link LED indicator
  2. Activity LED indicator
Table 1. NIC Indicator CodesThe NIC indicators table describes different NIC indicator codes and condition of the connectivity.
Status Condition
Link and activity indicators are off. The NIC is not connected to the network.
Link indicator is green, and activity indicator is blinking green. The NIC is connected to a valid network at its maximum port speed and data is being sent or received.
Link indicator is amber and activity indicator is blinking green. The NIC is connected to a valid network at less than its maximum port speed and data is being sent or received.
Link indicator is green, and activity indicator is off. The NIC is connected to a valid network at its maximum port speed and data is not being sent or received.
Link indicator is amber and activity indicator is off. The NIC is connected to a valid network at less than its maximum port speed and data is not being sent or received.
Link indicator is blinking green and activity is off. NIC identify is enabled through the NIC configuration utility.