A-12 SPARC Enterprise M4000/M5000 Servers Installation Guide • December 2010
During startup, the firmware toggles the front panel LEDs on and offto verify thateachone is working correctly.After that, the front panel LEDs operate as described in
TABLEA-1.
TABLEA-1 Operator Panel LEDs and Switches
Icon Name Color Description
POWER LED Green Indicates the server power status.
• On: Server has power.
• Off: Server is without power.
• Blinking: The power-off sequence is in progress.
XSCF
STANDBY
LED
Green Indicatesthe readiness of the XSCF.
• On: XSCF unit is functioning normally.
• Off: XSCF unit is stopped.
• Blinking: Under system initialization after NFB on, or
under system power-onprocess.
CHECK LED Amber Indicates that server detected a fault.
• On: Error detected that disables the startup.
• Off: Normal, or the breaker is off (power failure).
• Blinking: Indicates the position of fault.
Power switch Switch to directserver power on/power off.
Mode switch
(keyswitch)
The Locked setting:
• Normal key position. Power on is available with the
Power switch, but power off is not.
• Disables the Power switch to prevent unauthorized
users frompowering the server on or off.
• The Locked position is the recommended setting for
normal day-to-day operations.
The Service setting:
• Service should be provided at this position.
• Power on and off is available with Power switch.
• The key cannot be pulled out at this position.