IBM x3655 Service Guide - Page 26

Internal, connectors, jumpers - server guide

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still connected to an ac power source. When this LED is off, it indicates that ac power is not present, or the power supply or the LED itself has failed. System locator LED: Use this LED to visually locate the server among other servers. You can use IBM Director to light this LED remotely. 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. Serial connector: Connect a 9-pin serial device to this connector. Internal connectors, LEDs, and jumpers The illustrations in this section show the LEDs, connectors, and jumpers on the internal boards. The illustrations might differ slightly from your hardware. 8 IBM System x3655 Type 7985: Problem Determination and Service Guide

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still
connected
to
an
ac
power
source.
When
this
LED
is
off,
it
indicates
that
ac
power
is
not
present,
or
the
power
supply
or
the
LED
itself
has
failed.
System
locator
LED:
Use
this
LED
to
visually
locate
the
server
among
other
servers.
You
can
use
IBM
Director
to
light
this
LED
remotely.
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.
Serial
connector:
Connect
a
9-pin
serial
device
to
this
connector.
Internal
connectors,
LEDs,
and
jumpers
The
illustrations
in
this
section
show
the
LEDs,
connectors,
and
jumpers
on
the
internal
boards.
The
illustrations
might
differ
slightly
from
your
hardware.
8
IBM
System
x3655
Type
7985:
Problem
Determination
and
Service
Guide