Dell EMC PowerEdge R750xs Installation And Service Manual

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NIC indicator codesEach NIC on the back of the system has indicators that provide information about the activity and link status. The activity LEDindicator indicates if data is flowing through the NIC, and the link LED indicator indicates the speed of the connected network.Figure 137. NIC indicator codes1. Link LED indicator2. Activity LED indicatorTable 44. NIC indicator codesNIC indicator codes ConditionLink and activity indicators are off. Indicates that the NIC is not connected to the network.Link indicator is green, and activity indicator is blinkinggreen.Indicates that the NIC is connected to a valid network at its maximumport speed, and data is being sent or received.Link indicator is amber, and activity indicator is blinkinggreen.Indicates that the NIC is connected to a valid network at less than itsmaximum port speed, and data is being sent or received.Link indicator is green, and activity indicator is off. Indicates that the NIC is connected to a valid network at its maximumport speed, and data is not being sent or received.Link indicator is amber, and activity indicator is off. Indicates that the NIC is connected to a valid network at less than itsmaximum port speed, and data is not being sent or received.Link indicator is blinking green, and activity is off. Indicates that the NIC identity is enabled through the NICconfiguration utility.Power supply unit indicator codesAC and DC power supply units (PSUs) have an illuminated translucent handle that serves as an indicator. The indicator shows ifpower is present or if a power fault has occurred.Figure 138. AC PSU status indicator1. AC PSU handle2. Socket3. Release latch144 System diagnostics and indicator codes