This
connection
method
provides
the
server
with
two
different
and
independent
backup
power
sources:
one
Back-UPS
unit
for
power
supply
1
on
both
servers
and
another
Back-UPS
unit
for
power
supply
2
(redundant
power
supply)
on
both
servers.
Replacing
a
hot-swap
fan
assembly
The
following
information
describes
information
you
must
consider
when
installing
a
hot-swap
fan.
Attention:
To
ensure
proper
server
operation,
replace
a
failed
fan
as
soon
as
possible.
v
The
server
comes
with
a
maximum
of
seven
hot-swap
fans.
Note:
If
the
server
has
one
microprocessor
it
has
six
fans.
If
you
install
a
second
microprocessor,
then
an
additional
fan,
fan
4,
comes
with
the
second
microprocessor.
v
Figure
36
on
page
44
shows
the
locations
of
the
hot-swap
fans.
Power supply 1
Power supply 1
Power supply 2
Power supply 2
Server A
Server B
Y power cords
Backup
power supply
Backup
power supply
Figure
35.
Using
a
Y
power
cord
to
connect
two
servers
Chapter
3.
Customer
replaceable
units
43
Summary of Contents for 88371RU
Page 1: ...xSeries 336 Type 1879 and Type 8837 Hardware Maintenance Manual and Troubleshooting Guide...
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Page 149: ...Appendix B Safety information 139...
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