The
input
connector
is
a
12-position
connector
at
the
lower-right
side
of
the
power
supply.
The
following
illustration
shows
the
pin-number
assignments
as
viewed
from
the
wiring
side.
Pin 6
Pin 12
Pin 1
Pin 7
The
pin
assignments
are
shown
in
the
following
table.
For
cable
connection
instructions,
see
“Connecting
the
power
supply
to
a
power-distribution
unit.”
Table
4.
Input
connector
pin
assignments
Pin
Assignment
Pin
Assignment
1
Frame
ground
7
Frame
ground
2
Not
used
8
Not
used
3
-48
V
return
(0
V)
9
-48
V
return
(0
V)
4
-48
V
return
(0
V)
10
-48
V
return
(0
V)
5
-48
V
in
11
-48
V
in
6
-48
V
in
12
-48
V
in
Connecting
the
power
supply
to
a
power-distribution
unit
The
following
instructions
are
an
overview
of
the
procedure
for
connecting
the
power
supply
to
a
power-distribution
unit.
For
specific
information
about
connecting
the
power
cable
to
a
power-distribution
unit,
see
the
installation
instructions
that
come
with
the
power-distribution
unit.
Complete
the
following
steps
to
connect
the
power
supply
to
a
power-distribution
unit:
1.
Review
the
safety
information
beginning
on
page
37.
2.
Connect
the
dc
cable
to
the
input
connector
on
the
power
supply.
Make
sure
that
the
dc
cable
is
fully
seated
in
the
connector
and
locks
into
place.
0 1
2
3
45
6
7
8
9
DC cable
3.
Open
the
terminal-block
cover
on
the
power-distribution
unit.
4.
Connect
the
wires
on
the
dc
cable
to
the
power-distribution
unit.
20
IBM
EXP400
Storage
Expansion
Unit
Type
1733:
Hardware
Maintenance
Manual
and
Troubleshooting
Guide
Содержание EXP400 Type 1733
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