NIC indicator codes
Each NIC on the back of the system 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 117. NIC indicator codes
1. Link LED indicator
2. Activity LED indicator
Table 36. NIC indicator codes
NIC indicator codes
Condition
Link and activity indicators are off.
Indicates that the NIC is not connected to the network.
Link indicator is green, and activity indicator is blinking
green.
Indicates that the NIC is connected to a valid network at its maximum
port speed, and data is being sent or received.
Link indicator is amber, and activity indicator is blinking
green.
Indicates that the NIC is connected to a valid network at less than its
maximum 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 maximum
port 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 its
maximum 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 NIC
configuration utility.
Power supply unit indicator codes
AC power supply units (PSUs) have an illuminated translucent handle that serves as an indicator. The indicator shows if power is
present or if a power fault has occurred.
Figure 118. AC PSU status indicator
1. AC PSU handle
2. Socket
3. Release latch
124
System diagnostics and indicator codes
Содержание EMC PowerEdge R550
Страница 16: ...Figure 10 Service information 16 System overview ...
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Страница 18: ...Figure 12 Memory information Figure 13 Configuration and layout 18 System overview ...
Страница 19: ...Figure 14 Configuration and layout Figure 15 LED behavior System overview 19 ...
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