About Service Action Allowed Leds - Sun Oracle Sun Storage 2500-M2 Arrays Hardware Installation Manual

LED Symbols and Description (Continued)
TABLE A-1
LED Symbol
AC power
DC power
Ethernet Speed
and Ethernet
Activity

About Service Action Allowed LEDs

Each controller module, power-fan module, and battery module has a Service
■
Action Allowed LED. The Service Action Allowed LED lets you know when you
can remove a module safely.
Caution –
power-fan module, or a battery module unless the appropriate Service Action
Allowed LED is on.
If a controller module or a power-fan module fails and must be replaced, the
■
Service Action Required (Fault) LED on that module comes on to indicate that
service action is required. The Service Action Allowed LED also comes on if it is
safe to remove the module. If data availability dependencies exist or other
conditions that dictate a module should not be removed, the Service Action
Allowed LED stays off.
The Service Action Allowed LED automatically comes on or goes off as conditions
■
change. In most cases, the Service Action Allowed LED comes on when the
Service Action Required (Fault) LED comes on for a module.
Location (Modules)
Power-fan module
Note - The LED is
directly above or
below the AC power
switch and the AC
power connector.
Power-fan module
Note - The LED is
directly above or
below the DC power
switch and the DC
power connector.
Controller
Possible loss of data access—Never remove a controller module, a
Function
Indicates that the power supply is receiving
DC power input.
Indicates that the power supply is receiving
DC power input.
The speed of the Ethernet ports and whether
a link has been established are indicated:
• Left LED On—1-Gb/s speed.
• Left LED Off—100BASE-T or 10BASE-T
speed.
• Right LED On—A link is established.
• Right LED Off—No link exists.
• Right LED blinking—Activity is occurring
Appendix A LEDs and Diagnostic Codes 47