Dell PowerEdge T440 EMC Installation and Service Manual - Page 20

NIC indicator codes, Power supply unit indicator codes

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Table 8. Features available on the back view (continued) Item Ports, panels, or slots Icon Description 8 System identification button 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. 9 External cooling fan N/A (optional) 10 PCIe expansion card slot(6) N/A Enables you to connect an optional redundant cooling fan. The expansion slots enable you to connect PCI Express expansion cards. For more information on the expansion cards that are supported on your system, see Expansion card installation guidelines. 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 10. NIC indicator codes 1. Link LED indicator 2. Activity LED indicator Table 9. NIC indicator codes Status Link and activity indicators are off. Link indicator is green, and activity indicator is blinking green. Link indicator is amber, and activity indicator is blinking green. Link indicator is green, and activity indicator is off. Link indicator is amber, and activity indicator is off. Link indicator is blinking green, and activity is off. Condition The NIC is not connected to the network. The NIC is connected to a valid network at its maximum port speed, and 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. The NIC is connected to a valid network at its maximum port speed, and data is not being sent or received. The NIC is connected to a valid network at less than its maximum port speed, and data is not being sent or received. NIC identify 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 whether power is present or if a power fault has occurred. 20 Dell EMC PowerEdge T440 system overview

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Table 8. Features available on the back view (continued)
Item
Ports, panels, or slots
Icon
Description
8
System identification
button
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.
9
External cooling fan
(optional)
N/A
Enables you to connect an optional redundant cooling fan.
10
PCIe expansion card slot(6)
N/A
The expansion slots enable you to connect PCI Express expansion cards.
For more information on the expansion cards that are supported on your
system, see
Expansion card installation guidelines
.
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 10. NIC indicator codes
1.
Link LED indicator
2.
Activity LED indicator
Table 9. NIC indicator codes
Status
Condition
Link and activity indicators are off.
The NIC is not connected to the network.
Link indicator is green, and activity indicator is blinking
green.
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.
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.
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.
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.
NIC identify 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 whether power is
present or if a power fault has occurred.
20
Dell EMC PowerEdge T440 system overview