IBM 7944, Installation And User Manual

Page: 25 / 150

•
Operator information panel release latch:
Slide the blue release latch to the left to pull out the light path
diagnostics panel and view the light path diagnostics LEDs and buttons. See “Light path diagnostics
panel” on page 16 for more information about the light path diagnostics.
•
Video connector:
Connect a monitor to this connector. The video connectors on the front and rear of the
server can be used simultaneously.
•
USB connectors:
Connect a USB device, such as a USB mouse or keyboard to any of these connectors.
Operator information panel
Use this information to view the operator information panel.
The following illustration shows the controls and LEDs on the operator information panel.
Figure 6. Operator information panel
•
Power-control button and power-on LED:
Press this button to turn the server 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:
AC 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 116 for
information on logging on to the IMM web interface.
•
Ethernet activity LEDs:
When any of these LEDs is lit, they indicate that the server is transmitting to or
receiving signals from the Ethernet LAN that is connected to the Ethernet port that corresponds to that
LED.
•
System-locator button/LED:
Use this blue LED to visually locate the server 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.
•
System-information LED:
When this amber LED is lit, it indicates that a noncritical event has occurred.
Check the error log for additional information.
•
System-error LED:
When this amber LED is lit, it indicates that a system error 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 Lenovo System x3550 M3 server
15