Power
LED
This
is
the
top
of
the
three
LEDs
and
indicates
the
following:
Off
One
or
more
of
the
following
are
true:
v
No
power
is
present
at
the
power
supply
input
v
The
power
supply
has
failed
v
The
LED
has
failed
On
The
SAN
Volume
Controller
is
powered
on.
Flashing
The
SAN
Volume
Controller
is
turned
off
but
is
still
connected
to
a
power
source.
Location
LED
This
is
the
middle
of
the
three
LEDs
and
is
not
used
by
the
SAN
Volume
Controller.
System-error
LED
This
is
the
bottom
of
the
three
LEDs
that
indicates
that
a
system
board
error
has
occurred.
The
light
path
diagnostics
provide
more
information.
Ac
and
dc
LEDs
The
ac
and
dc
LEDs
indicate
whether
the
node
is
receiving
electrical
current.
Ac
LED
The
upper
LED
1
next
to
the
power
supply,
indicates
that
ac
current
is
present
on
the
node.
Dc
LED
The
lower
LED
2
next
to
the
power
supply,
indicates
that
dc
current
is
present
on
the
node.
Ac
and
dc
LEDs
on
the
SAN
Volume
Controller
2145-8F4
and
the
SAN
Volume
Controller
2145-8F2:
The
ac
LED
and
dc
LED
are
located
on
the
rear
of
the
SAN
Volume
Controller
2145-8F4
and
the
SAN
Volume
Controller
2145-8F2.
shows
the
location
of
the
ac
and
dc
LEDs.
74
IBM
System
Storage
SAN
Volume
Controller:
Hardware
Installation
Guide
Summary of Contents for 2145UPS-1U
Page 2: ......
Page 8: ...vi IBM System Storage SAN Volume Controller Hardware Installation Guide...
Page 56: ...18 IBM System Storage SAN Volume Controller Hardware Installation Guide...
Page 72: ...34 IBM System Storage SAN Volume Controller Hardware Installation Guide...
Page 102: ...64 IBM System Storage SAN Volume Controller Hardware Installation Guide...
Page 138: ...100 IBM System Storage SAN Volume Controller Hardware Installation Guide...
Page 190: ...152 IBM System Storage SAN Volume Controller Hardware Installation Guide...
Page 192: ...154 IBM System Storage SAN Volume Controller Hardware Installation Guide...
Page 200: ...162 IBM System Storage SAN Volume Controller Hardware Installation Guide...
Page 228: ...190 IBM System Storage SAN Volume Controller Hardware Installation Guide...
Page 231: ......
Page 232: ...Part Number 31P1046 Printed in USA GC27 2132 01 1P P N 31P1046...