Operator Information Panel; Light Path Diagnostics Panel - IBM System x3550 M3 Type 4254 Installation And User Manual

Operator information panel

The following illustration shows the controls and LEDs on the operator information
panel.
v Power-control button and power-on LED: Press this button to turn the server
v Ethernet activity LEDs: When any of these LEDs is lit, they indicate that the
v System-locator button/LED: Use this blue LED to visually locate the server
v System-information LED: When this amber LED is lit, it indicates that a
v System-error LED: When this amber LED is lit, it indicates that a system error

Light path diagnostics panel

The light path diagnostics panel is on the top of the operator information panel. For
additional information about the LEDs on the light path diagnostics panel, see
Table 2 on page 18.
on and off manually or to wake the server from a reduced-power state. The
states of the power-on LED are as follows:
Off: Power is not present, or the power supply or the LED itself has failed.
Flashing rapidly (4 times per second): The server is turned off and is not
ready to be turned on. The power-control button is disabled. This will last
approximately 20 to 40 seconds.
Flashing slowly (once per second): The server is turned off and is ready to
be turned on. You can press the power-control button to turn on the server.
Lit: The server is turned on.
Fading on and off: The server is in a reduced-power state. To wake the
server, press the power-control button or use the IMM Web interface. See
"Logging on to the Web interface" on page 120 for information on logging on
to the IMM Web interface.
server is transmitting to or receiving signals from the Ethernet LAN that is
connected to the Ethernet port that corresponds to that LED.
among other servers. This LED is also used as a presence detection button. You
can use IBM Systems Director to light this LED remotely. This LED is controlled
by the IMM. When you press the System-locator button, the LED will blink and it
will continue to blink until you press it again to turn it off. The locator button is
pressed to visually locate the server among the others servers.
noncritical event has occurred. Check the error log for additional information. See
the Problem Determination and Service Guide on the System x Documentation
CD for more information about error logs.
has occurred. A system-error LED is also on the rear of the server. An LED on
the light path diagnostics panel on the operator information panel is also lit to
help isolate the error. This LED is controlled by the IMM.
Chapter 1. The System x3550 M3 server
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