Sun Microsystems, Inc.   Sun System Handbook - ISO 3.4 June 2011 Internal/Partner Edition
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Sun Fire X4150 LEDs

The Sun Fire X4150 server provides the following LED groupings:

Front Panel LEDs Rear Panel LEDs

Sun Fire X4150 Front Panel LEDs



Three of the front panel LEDs are located on the left hand side of the front panel along side HDD0 and HDD1. The other three LEDs are located on the right hand side of the front panel along side of the DVD drive and HDD7. These LEDs provide a quick visual check on the state of the system.

LED Name LED color Description
Locator LED and Locator button
White Enables you to identify a particular server. The LED is controlled using one of the following methods:
  • Issuing the setlocator on or off command
  • Using the Solaris OS command: locator -n (to turn on) or -f (to turn off).

    • This LED provides the following indications:
  • Off - Normal operating state.
  • Fast Blink - The server received a signal as a result of one of the preceding methods and is indicating here I am - and that it is operational.
    		•
    Service Action Required LED Amber The service required LED will illuminate when any of the following conditions occur:
  • A fault is detected by the system diagnostics, such as POST
  • When a FRU fails, such as a power supply
    • Power/OK LED Off The system is unavailable. System power might be off or simply disconnected.
    Green - Steady On Normal Operating State
    Green - Slow Blink Indicates that the system is in SUSPEND mode.
    Power on/off Button Turns the system on and off. This button is recessed to prevent accidental server power-off. There is no Power On/Off button on the rear panel.
    Fan Module Service LED Amber The fan module is faulty. The front and rear panel Service required LEDs are also lit if the system detects a fan module fault.
    Power Supply Service Required LED Amber The power supply is faulty. The front and rear panel Service Required LED are also lit if the system detects a power supply fault.
    System Overtemperature LED Amber The system is over heating.

     

    Sun Fire X4150 Rear Panel LEDs

    LED Name Description
    PSU OK to Remove (Blue) A power supply can be removed safely during a hot-swap operation
    PSU AC Present (Green) The power supply is plugged in and AC power is available, regardless of the system power state
    Power Supply Service Required LED Reference Front Panel Power Supply Service Required LED listed above
    Locator LED/ Locator button Reference Front Panel Locator LED/button listed above
    Service Action Required LED Reference Front Panel Service Required LED listed above
    Power/OK LED Reference Front Panel Power OK LED listed above

     

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