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SPARC T8-4 Server Service Manual

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Updated: January 2022
 
 

Rear I/O Module LEDs

The LEDs on the rear I/O module give server status information and link information on the NET ports.

image:Graphic showing the rear I/O module LEDs.
No.
LED
Icon
Description
1
AC3 connector LED (amber/green)
Indicates the state of the AC connector. Green indicates that the AC connector is functioning correctly. Amber indicates a fault with PSU3.
1
AC2 connector LED (amber/green)
Indicates the state of the AC connector. Green indicates that the AC connector is functioning correctly. Amber indicates a fault with PSU2.
2
NET MGT link and activity LED (green)
Indicates the following conditions:
  • On or blinking – A link is established.

  • Off – No link is established.

3
NET MGT speed (green)
Indicates the following conditions:
  • Blinking – A link is established.

  • Off – No link is established.

4
NET link and activity (green)
Indicates the following conditions:
  • On – A link is established.

  • Blinking – Transfer activity is present on the link.

  • Off – No link is established.

5
NET speed (amber/green)
Indicates the following conditions:
  • Green on – The link is operating as a 100-Mbps connection.

  • Off – There is no link.

6
AC1 connector LED (amber/green)
Indicates the state of the AC connector. Green indicates that the AC connector is functioning correctly. Amber indicates a fault with PSU1.
6
AC0 connector LED (amber/green)
Indicates the state of the AC connector. Green indicates that the AC connector is functioning correctly. Amber indicates a fault with PSU 0.
7
System Locator LED and button (white)
image:Icon for the Locator Button/LED
The Locator LED can be turned on to identify a particular server. When on, it blinks rabidly. There are two methods for turning a Locator LED on:
  • Issuing the Oracle ILOM command set /SYS/LOCATE value=Fast_Blink

  • Pressing the Locator button

8
System Service Required LED (amber)
image:Icon for the Service Required LED
Indicates that service is required. POST and Oracle ILOM are two diagnostic tools that can detect a fault or failure resulting in this indication.
The Oracle ILOM show faulty command provides details about any faults that cause this indicator to illuminate.
The System Service Required LED also illuminates on the rear I/O module if the rear I/O module has failed.
9
System Power OK LED (green)
image:Icon for the Power OK LED
Indicates the following conditions:
  • Off – Server is not running in its normal state. Server power might be off. The SPM might be running.

  • Steady on – Server is powered on and is running in its normal operating state. No service actions are required.

  • Fast blink – Server is running in standby mode and can be quickly returned to full function.

  • Slow blink – A normal but transitory activity is taking place. Slow blinking might indicate that server diagnostics are running or the server is booting.

10
Service Processor LED
SP
Indicates the following conditions:
  • Off – The AC power might have been connected to the power supplies.

  • Steady on, green – The SPM is running in its normal operating state. No service actions are required.

  • Blink, green–The SPM is initializing the Oracle ILOM firmware.

  • Steady on, amber – A SPM error has occurred and service is required.

11
Overtemperature
Indicates the following conditions:
  • Off – Server is powered on and is running in its normal operating state, or it is powered off (no overtemperature fault present).

  • Steady on, amber – An overtemperature fault has been detected.

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