Sun Microsystems, Inc.   Sun System Handbook - CD 2.1.8 April 2005 Internal/Partner Edition
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Netra X1 / Sun Fire V100 LEDs

Front Panel LEDs

LED Icon Light Description
Power
(Green)
On The server is powered on.
Off The server is in standby mode.
Fault
(Amber)
On (Not Flashing)

Indicates a problem that is not fatal to the server but that you should attend to as soon as possible. Circumstances that cause the Fault LED to light up include the following:

  • The temperature inside the server's enclosure is unusually high.
  • The voltage on one of the server's output supply is unusually high.
  • One of the server's internal circuit breakers has tripped (Netra X1 only).
  • The System Configuration Card, containing the server's serial number, MAC address and NVRAM settings, has been removed.
  • The LOMlite2 (Netra X1) / LOM (Sun Fire V100) watchdog has timed out, indicating that the server has locked up. You can configure the server to restart automatically after a lockup.

 
Flashing On and Off

A problem has occurred that is fatal to the server. Circumstances that cause the Fault LED to flash include the following:

  • The speed of one of the fan inside the server is too low.
  • The temperature inside the server's enclosure is too high. (By default, this causes the server to shut down.)
  • The voltage on one of the server's output supply rails is to high. (By default, this causes the server to shut down.)
  • The temperature inside the CPU is too high. (This causes the server to shut down.)

Rear Panel LEDs

(Netra X1 Rear Panel Shown)

LED Icon Light Description
Ethernet 0 and 1
n/a
 On Indicates a connection has been established to the hub (dmfe0 and dmfe1, respectively).
Fault
(Amber)
On (Not Flashing)

Indicates a problem that is not fatal to the server but that you should attend to as soon as possible. Circumstances that cause the Fault LED to light up include the following:

  • The temperature inside the server's enclosure is unusually high.
  • The voltage on one of the server's output supply is unusually high.
  • One of the server's internal circuit breakers has tripped (Netra X1 only).
  • The System Configuration Card, containing the server's serial number, MAC address and NVRAM settings, has been removed.
  • The LOMlite2 (Netra X1) / LOM (Sun Fire V100) watchdog has timed out, indicating that the server has locked up. You can configure the server to restart automatically after a lockup.

 
Flashing On and Off

A problem has occurred that is fatal to the server. Circumstances that cause the Fault LED to flash include the following:

  • The speed of one of the fan inside the server is too low.
  • The temperature inside the server's enclosure is too high. (By default, this causes the server to shut down.)
  • The voltage on one of the server's output supply rails is to high. (By default, this causes the server to shut down.)
  • The temperature inside the CPU is too high. (This causes the server to shut down.)
Power
(Green)
On The server is powered on.
Off The server is in standby mode.

 

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