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NIC indicator codes
Figure 8. NIC indicators
1. link indicator 2. activity indicator
Convention Indicator Indicator code
A Link and activity indicators are off The NIC is not connected to the
network.
B Link indicator is green The NIC is connected to a valid network
at its maximum port speed (1 Gbps or 10
Gbps).
C Link indicator is amber The NIC is connected to a valid network
at less than its maximum port speed.
D Activity indicator is blinking green Network data is being sent or received.
Power supply unit indicator codes
Each AC power supply unit (PSU) has an illuminated translucent handle and each DC PSU (when
available) has an LED that serves as an indicator to show whether power is present or a power fault has
occurred.
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