Table 7 Front Panel Controls and LEDs
(continued)
Status
States
Function
LED
System health is degraded
Flashing amber
components. This LED
maintains its state when the
System health is critical
Flashing red
system is in standby mode
(system power turned off but
AC power still applied to the
system). When the internal
health LED is lit, the
corresponding failed
component LED illuminates
on the diagnostic panel. See
Chapter 5 (page 135)
for
more details on the internal
health LEDs.
System is off
Off
Indicates the status of
external serviceable
External Health LED
System health is good
Green
components. When the
external health LED is lit, the
System health is degraded
Flashing amber
corresponding failed
component LED illuminates.
System health is critical
Flashing red
1
There is an additional UID LED and button located on the rear panel of the server. Both UID LEDs illuminate when you
activate either the front or rear UID buttons.
Figure 8
shows the front control panel LEDs.
Figure 8 Front Control Panel LEDs
Storage and Media Devices
The server can contain up to 16 hot-pluggable SAS disk drives and one DVD or DVD-RW drive.
Storage and media devices have LEDs that indicate activity and device status. Hot-pluggable SAS
disk drives also have an LED used to locate a particular drive. SAS disk drive slots map to LEDs
that indicate whether a slot is available for use.
Hot-Pluggable Disk Drive LEDs
The hot-pluggable disk drives have two LEDs per drive (
Figure 9
):
•
Drive Status LED
•
Drive Activity LED
30
Overview
