Each NIC on the back of the system has indicators that provide information about the activity and link status. The activity LED indicator shows if data is flowing through the NIC. The link LED indicator shows the speed of the connected network.
Figure 1. NIC indicator codes
Link LED indicator
Activity LED indicator
The following table provides a description of the NIC indicator codes and the related conditions.
Table 1. NIC indicator codesThis table provides a description of the NIC indicator codes and the related conditions.
NIC indicator codes
Condition
Link and activity indicators are off.
NIC is not connected to the network.
Link indicator is green, and activity indicator is blinking green.
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.
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.
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.
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 identity is enabled through the NIC configuration utility.
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