Attention:
Do
not
connect
two
nodes
to
the
same
pair
of
2145
UPSs.
Both
nodes
are
lost
in
the
event
that
a
power
failure
occurs
on
both
of
those
2145
UPSs.
Note:
You
must
install
2145
UPSs
in
pairs.
There
must
be
at
least
two
2145
UPSs
per
cluster.
A
cluster
can
contain
no
more
than
eight
SAN
Volume
Controller
2145-4F2s.
Also,
ensure
that
each
2145
UPS
of
a
pair
is
connected
to
a
separate
electrical
input
power
source
(if
possible)
to
reduce
the
chance
of
input
power
failure
at
both
2145
UPSs.
Before
you
begin
this
task,
refer
to
the
user’s
cable
connection
table,
which
you
downloaded
from
http://www.ibm.com/storage/support/2145,
to
identify
the
2145
UPS
that
you
want
this
SAN
Volume
Controller
2145-4F2
to
connect
to.
Perform
the
following
steps
to
connect
the
SAN
Volume
Controller
2145-4F2
to
the
2145
UPS:
1.
At
the
back
of
the
SAN
Volume
Controller
2145-4F2,
plug
a
power
cable
into
the
power
connector
1
.
See
1
Power
connector
2
Serial
connector
3
Output
connector
4
Signal
cable
connector
2.
Plug
the
signal
cable
of
the
power
cable
assembly
into
the
serial
connector
2
.
DANGER
You
have
already
switched
on
the
2145
UPS.
The
output
sockets
of
the
2145
UPS
are
live.
3.
Place
the
other
end
of
the
SAN
Volume
Controller
2145-4F2
power
cable
into
any
vacant
output
connector
3
on
the
2145
UPS.
2
1
3
4
Figure
98.
Connecting
the
SAN
Volume
Controller
2145-4F2
power
cable
to
the
2145
UPS
Appendix
B.
SAN
Volume
Controller
2145-4F2
135
Summary of Contents for 2145UPS-1U
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