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SPARC T7-2 Server Service Manual

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Updated: July 2019
 
 

Rear Panel Controls and LEDs

image:Figure showing the rear panel controls and LEDs.
No.
LED
Icon or Label
Description
1
PS AC OK LED
AC
Indicates these conditions:
  • Off – No AC power applied to this power supply.

  • Green steady on – AC power is applied to this power supply and is within specifications.

  • Amber steady on – AC power is applied to this power supply and is below 85V.

2
PS DC OK LED (green)
image:DC OK icon
Indicates these conditions:
  • Off – 12V DC output from this power supply is disabled or not within specification.

  • Steady on – 12V DC output from this power supply is present and within specifications.

3
PS Fault LED (amber)
image:Service action icon
Indicates these conditions:
  • Off – Steady state, no service action is required.

  • Steady on – A fault has been detected on this power supply.

4
NET MGT Port Link and Activity LED (green on left)
NET MGT Port Speed LED (green on right)
LINK/ACT
SPD
Indicates these conditions:
  • Off – No link is established.

  • Steady On – A link is established.

  • Blinking – A link is established and there is activity on the port.

Indicates these conditions:
  • Off – The link is operating as a 10 Mbps connection.

  • Steady On – The link is operating as a 100 Mbps connection.

5
Locator LED and button (white)
image:Icon for the Locator Button/LED
Turn on the Locator LED by pressing the Locator button, or see Locate the Server. When lit, the LED blinks rapidly.
6
Service Action Required LED (amber)
image:Icon for the Service Required LED
The fmadm faulty command provides details about any faults that cause this indicator to light. See Identify Faulted Components.
Under some fault conditions, individual component fault LEDs are lit in addition to the Service Action Required LED.
7
Power OK LED (green)
image:Icon for the Power OK LED
Indicates these 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 system diagnostics are running or that the system is booting.

8
Host Ethernet Port Link/Activity LED (green)
From left to right, NET 1, NET 0, NET 3, and NET 2.
Indicates these conditions:
  • Off – No link is established.

  • Steady On – A link is established.

  • Blinking – A link is established and there is activity on the port.

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