Power Indicator Codes - Dell PowerEdge R820 Owner's Manual

Indicator Indicator Code
Link and activity The NIC is not connected to the network.
indicators are off
Link indicator is The NIC is connected to a valid network at its maximum port speed (1 Gbps or 10 Gbps).
green
Link indicator is The NIC is connected to a valid network at less than its maximum port speed.
amber
Activity indicator is Network data is being sent or received.
blinking green

Power Indicator Codes

Each AC power supply has an illuminated translucent handle and each DC power supply (when available) has an LED
that serves as an indicator to show whether power is present or whether a power fault has occurred.
Figure 6. AC Power Supply Status Indicator
1. AC power supply status indicator/handle
Figure 7. DC Power Supply Status Indicator
1. DC power supply status indicator
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