Dell PowerEdge SC 440 - Manual (Page 14)

14
About Your System
• Always attach an external device while your system and the device are turned off. Next, turn on any
external devices before turning on the system (unless the documentation for the device specifies
otherwise).
See "Using the System Setup Program" on page 27 for information about enabling, disabling, and
configuring I/O ports and connectors.
NIC Indicator Codes
The NIC on the back panel has an indicator that provides information on network activity and link
status. See Figure 1-3. Table 1-3 lists the NIC indicator codes.
Figure 1-3. NIC Indicators
1 link indicator 2 activity indicator
Table 1-3. NIC Indicator Codes
Indicator Type Indicator Code Description
Activity Off When off at the same time that the link indicator is off,
the NIC is not connected to the network or the NIC is
disabled in the System Setup program. See "Using the
System Setup Program" on page 27.
Blinking Indicates that network data is being sent or received.
Link Off When off at the same time that the activity indicator is
off, the NIC is not connected to the network or the NIC is
disabled in the System Setup program. See "Using the
System Setup Program" on page 27.
Yellow 1000-Mbps connection
Orange 100-Mbps connection
Green 10-Mbps connection
1 2
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