NIC indicator codes
The NIC on the back panel has an indicator that provides information about the network activity and link status. The activity
LED indicates whether the NIC is currently connected or not. The link LED indicates the speed of the connected network.
Figure 8. NIC indicators
1. link indicator
2. activity indicator
Table 15. NIC indicators
Convention Status Condition
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 flashing green Network data is being sent or received.
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.
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