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NIC indicator codes
Each NIC on the back panel 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 10. NIC indicator codes
1
link LED indicator
Table 9. NIC indicator codes
Status
Link and activity indicators are off
Link indicator is green and activity indicator is blinking green The NIC is connected to a valid network at its maximum port speed and
Link indicator is amber and activity indicator is blinking
green
Link indicator is green and activity indicator is off
Link indicator is amber and activity indicator is off
Link indicator is blinking green and activity is off
Power supply unit indicator codes
AC power supply units (PSUs) have an illuminated translucent handle that serves as an indicator and DC PSUs have an LED that serves as
an indicator. The indicator shows whether power is present or a power fault has occurred.
Figure 11. AC PSU status indicator
1
AC PSU status indicator/handle
2
activity LED indicator
Condition
The NIC is not connected to the network.
data is being sent or received.
The NIC is connected to a valid network at less than its maximum port
speed and data is being sent or received.
The NIC is connected to a valid network at its maximum port speed and
data is not being sent or received.
The NIC is connected to a valid network at less than its maximum port
speed and data is not being sent or received.
NIC identify is enabled through the NIC configuration utility.
PowerEdge R740xd system overview
17
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