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Panels, ports and slots
6
Power supply unit (2)
7
NIC ports
8
USB port (2)
9
VGA port
10
Serial port
11
iDRAC9 dedicated port
12
System identification button
Related links
Expansion card installation guidelines
Technical specifications
NIC indicator codes
Each NIC on the back panel 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 10. NIC indicator codes
1
link LED indicator
Table 9. NIC indicator codes
Status
Link and activity indicators are off
Link indicator is green and activity indicator is blinking green The NIC is connected to a valid network at its maximum port speed and
Link indicator is amber and activity indicator is blinking
green
Icon
Description
N/A
For more information, see the Technical specifications section.
The NIC ports that are integrated on the network daughter card (NDC)
provide network connectivity. For more information about the supported
configurations, see the Technical specifications section.
The USB ports are 9-pin and 3.0-compliant. These ports enable you to
connect USB devices to the system.
Enables you to connect a display device to the system. For more
information, see the Technical specifications section.
Enables you to connect a serial device to the system. For more
information, see the Technical specifications section.
Enables you to remotely access iDRAC. For more information, see the
iDRAC User's Guide at Dell.com/idracmanuals.
The System Identification (ID) button is available on the front and back of
the systems. Press the button to identify a system in a rack by turning on
the system ID button. You can also use the system ID button to reset
iDRAC and to access BIOS using the step through mode.
2
Condition
The NIC is not connected to the network.
data is being sent or received.
The NIC is connected to a valid network at less than its maximum port
speed and data is being sent or received.
Dell EMC PowerEdge R740 Installation and Service Manual
activity LED indicator
PowerEdge R740 system overview
17
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