Sun Microsystems, Inc.   Sun System Handbook - ISO 3.4 June 2011 Internal/Partner Edition
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Netra T2000 LEDs

The Netra T2000 server provides the following LED groupings:

Front Panel LEDs Rear Panel LEDs
Hard Disk Drive (HDD) LEDs Ethernet Port LEDs
  Power Supply LEDs

Front Panel LEDs


The seven front panel LEDs are located in the upper left corner of the
server chassis. Three of these LEDs (Locator, Fault, and Power OK)
are also provided on the rear panel.

Rear Panel LEDs

Front and Rear Panel LEDs
LED Name Color Description
Locator LED and button White

Enables you to identify a particular server. The LED is activated using one of the following methods:

  • Issuing the setlocator on or off command.
  • Pressing the button to toggle the indicator on or 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.
Fault LED Amber If on, indicates that service is required. The ALOM showfaults command provides details about any faults that cause this indicator to be lit.
Activity LED Green
  • On - Drives are receiving power. Solidly lit if drive is idle.
  • Flashing - Drives are processing a command.
  • Off - Power is off.
Alarm: Critical LED Red Indicates a critical alarm. Refer to the server administration guide for a description of alarm states.
Alarm: Major LED Red Indicates a major alarm.
Alarm: Minor LED Amber Indicates a minor alarm.
Alarm: User LED Amber Indicates a user alarm.
Power OK LED Green

The LED provides the following indications:

  • Off - The system is unavailable. Either it has no power or ALOM is not running.
  • Steady on - Indicates that the system is powered on and is running it its normal operating state.
  • Standby blink - Indicates that the service processor is running while the system is running at a minimum level in Standby mode, and is ready to be returned to its normal operating state.
  • Slow blink - Indicates that a normal transitory activity is taking place. It might mean that the system diagnostics are running, or that the system is booting.

 

 

Hard Disk Drive (HDD) LEDs

 

LED Name Color Description
OK to Remove Blue On - The drive is ready for hot-plug removal.
Off - Normal operation.
Fault Amber On - The drive has a fault and requires attention.
Off - Normal operation.
Activity Green On - The drive is receiving power. Solidly lit if drive is idle.
Flashing - The drive is processing a command.
Off - Power is off.

 

Ethernet Port LEDs

LED Name Color Description
Speed LED Amber or Green

Speed Indicator:

  • Amber On - The link is operating as a Gigabit connection (1000-Mbps)
  • Green On - The link is operating as a 100-Mbps connection.
  • Off - The link is operating as a 10/100-Mbps connection.
Link/Activity Green

Link/Activity indicator:

  • Steady On - a link is established.
  • Blinking - there is activity on this port.
  • Off - No link is established.

Note: The NET MGT port only operates in 100-Mbps or 10-Mbps so the speed indicator LED can be green or off (never amber).

Power Supply LEDs

LED Name Color Description
Power OK Green On - Normal operation. DC output voltage is within normal limits.
Off - Power is off.
Fault Amber On - Power supply has detected a failure.
Off - Normal operation.
Input OK Green On - Normal operation. Input power is within normal limits.
Off - No input voltage, or input voltage is below limits.

 

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