Light Path Diagnostics Panel - IBM x3850 X5 7145 Installation And User Manual

v System-error LED: When this LED is lit, it indicates that a system error has
occurred. An LED on the light path diagnostics panel is also lit to help isolate the
error.
v Locator button and locator LED: Use this LED to visually locate the server
among other servers. Press this button to turn on or turn off this LED locally. You
can use IBM Systems Director to light this LED remotely
v Ethernet port activity LEDs: When either of these LEDs is lit, it indicates 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.

Light path diagnostics panel

The light path diagnostics panel is on the top of the operator information panel.
To access the light path diagnostics panel, slide the blue release button on the
operator information panel to the left. Pull forward on the operator information panel
until the hinge of the panel is free of the server chassis. Then pull down on the
operator information panel, so that you can view the light path diagnostics panel
information.
Operator information
panel
Light path
diagnostics LEDs
Release latch
The following illustration shows the controls and LEDs on the light path diagnostics
panel.
Notes:
1. Do not run the server for an extended period of time while the light path
diagnostics panel is pulled out of the server.
2. Light path diagnostics LEDs remain lit only while the server is connected to
power.
OVER SPEC LOG LINK PS
FAN TEMP MEM
VRM
CNFG CPU DASD
Light Path Diagnostics
REMIND
PCI SP
NMI
RAID BRD
Reset button
Chapter 1. The System x3850 X5 and x3950 X5 server
Remind
button
NMI button
Check point
code display
13