Sun Microsystems 817-4054-15, Руководство по обслуживанию

Страница: 31 / 204

Chapter 1 Fault Isolation 1-11
TABLE 1-5
lists the system LED functions (
FIGURE 1-4
).
The system locator, fault, and system active LEDs are repeated on the front and rear
of the system.
FIGURE 1-5
illustrates the LEDs on the rear of the system.
TABLE 1-5
System LED Functions
LED Icon and Name Color LED On LED Off
Locator White Normally off. Can be lit by user
command. Notes location of
system. Can be lit by user command.
No one has requested the
location of the system.
System Fault Amber Fault is detected. Service is
required. No fault is detected.
System
Active Green System is being powered on or is
powered on. System is in Standby.
Top Access Amber Fault occurs in a FRU, which can
only be replaced from the top of
the system. No fault occurs in a FRU that
can only be replaced from the
top of the system.
Solaris OS
running Green Solaris OS is running. Solaris OS is not running or
the domain is paused.
Alarm1 and
Alarm2 Green Triggered by events as specified in
the LOM software.
• Can customize alarms. For
example Alarm 1 can be used
for degraded mode and Alarm 2
can be used for final or
shutdown mode.
• LOM software provides paths
so you can link the alarms to
Solaris OS events.
• Can also associate alarms to
specific user applications or
processes.
Not triggered by events as
specified in the LOM
software.
Source A
and Source B Green Displays the state of the power
sources—source A supplies power
to PS0 and PS1 while source B
supplies power to PS2 and PS3.
• Source A lit if either PS0 or P1
receives input power.
• Source B lit if either PS2 or P3
receives input power.
• Source A not lit if PS0
andP1 do not receive input
power.
• Source B not lit if PS2
andP3 do not receive input
power.
SYSTEM
ALARM
1 2
POWER SOURCE
A
B