Indicators on the system (see, Figure 3, Front-panel indicators and features – Dell PowerEdge 2600 User Manual
Page 8: Back-panel indicators and features

Front-Panel Indicators and Features
Additional indicators are located behind the bezel on the power supplies, hard drives, and the control panel. The CD and diskette drives have green activity
indicator.s
shows the front-panel indicators and features of the system.
describes the front-panel features.
Figure 3-2. Front-Panel Indicators and Features
Table 3-2. Front-Panel Features
Back-Panel Indicators and Features
shows the back-panel features of the system.
describes the back-panel features.
Figure 3-3. Back-Panel Features
Bezel Indicators
Indicator Code
Status
Caution
Off
Off
No power is available to the system, or the system is not powered on.
On
Off
The system is operating normally.
Off
Blinking
The system has detected an error and requires attention.
Blinking Off
The system is identifying itself (see "
Front-Panel Indicators and Features
").
Blinking Blinking or Off Systems management software causes the status indicator to blink to identify a particular system.
Component
Description
Power button
Turns system power off and on.
l
If you turn off the system using the power button and the system is running an ACPI-compliant operating system, the
system can perform an orderly shutdown before power is turned off.
l
If the system is not running an ACPI-compliant operating system, power is turned off immediately after the power button is
pressed.
The button is enabled in the System Setup program. When disabled, the button can only turn system power on. For more
information, see the User's Guide and the operating system's documentation.
Power indicator
Provides information on power status (see "
").
Power-supply indicators Provide information on power status (see "
CD and diskette drive
indicators
Indicates read or write access to the respective drive.
Hard-drive indicators
Provide information on the status of the respective hard drive (see "
NIC indicators
Indicate whether the NIC has a valid link to the network (see "
").
NMI button
Troubleshoots software and device driver errors when using certain operating systems. You can press this button using the end of
a paper clip. The NMI option is enabled in the System Setup program.
NOTICE:
Pressing this button halts the operating system and displays a diagnostic screen.