Oracle SPARC T8-4, Service Manual, Page: 31 / 204

Checking for Faults
No. LED Icon or Label Description
1 AC 0 (left) and AC 1 (right)
power LED
Indicates these conditions:
■
Off
– No power is applied to the server.
■ Green – Power is applied to the server.
2 Net MGT port link LED Indicates these conditions:
■ Off – No link is established.
■ On or blinking – A link is established.
3 Net MGT port speed LED Indicates these conditions:
■ Off – The link is operating as a 10-Mbps connection.
■ On or blinking – The link is operating as a 100-Mbps connection.
4 Network port link LED Indicates these conditions:
■ Off – No link is established.
■
Blinking
– A link is established.
5 Network port speed LED Indicates these conditions:
■ Off – The link is operating as a 10-Mbps connection or there is no
link.
■ Amber on – The link is operating as a 100-Mbps connection.
■
Green on
– The link is operating as a Gigabit connection (1000
Mbps).
6 AC 2 (left) and AC 3 (right)
power LEDs
Indicates these conditions:
■ Off – No power is applied to the server.
■ Green – Power is applied to the server.
7 Locator LED and button
(white)
Turn on the Locator LED by pressing the Locator button, or see
“Locate the Server” on page 49 . When lit, the LED blinks rapidly.
8 System Fault (Service Action
Required) LED (amber)
The
fmadm faulty
command provides details about any faults that
cause this indicator to light. See “Check for Faults” on page 33 .
Under some fault conditions, individual component fault LEDs are lit
in addition to the Service Required LED.
9 Power OK LED (green) Indicates these conditions:
■ Off – Server is not running in its normal state. Server power might
be off. The SP might be running.
■ Steady on – Server is powered on and is running in its normal
operating state. No service actions are required.
■ Slow blink – A normal but transitory activity is taking place. Slow
blinking might indicate that server diagnostics are running or that
the server is booting.
■ Standby blink – Server is running in standby mode and can be
quickly returned to full function.
10 SP LED SP OK Indicates these conditions:
Detecting and Managing Faults 31