
Removing
the
I/O
modules
To
remove
the
I/O
modules:
1.
Follow
the
instructions
in
“Removing
the
covers”
on
page
29
to
remove
the
front
bezel
and
top
cover.
2.
Follow
the
instructions
in
“Removing
the
top
plate”
on
page
32
to
remove
the
top
plate.
3.
If
required
for
your
model,
follow
the
instructions
in
“Removing
the
air
duct
(Models
722,
74x,
78x,
and
C4x)”
on
page
44
4.
If
required
for
your
model,
follow
the
instructions
in
“Removing
the
processor
fan
(Models
742,
782
only)”
on
page
45.
5.
Remove
any
cable
attachments
from
the
I/O
modules.
6.
See
Figure
30.
Locate
the
I/O
modules
latch,
(
A
in
Figure
30).
Open
the
latch
by
grasping
and
turning
it
in
a
clockwise
direction.
7.
Press
tab
(
B
)
and
slide
the
I/O
module
out
of
the
slot.
8.
To
replace
an
I/O
module,
reverse
these
procedures.
Note:
Before
installing
a
new
RS-485
module,
ensure
that
the
jumpers
on
the
new
module
match
the
removed,
old
module.
A
B
Figure
30.
Opened
I/O
latch
Updated
July
14,
2008
42
SurePOS
700
Series:
SurePOS
700-721/741/781,
722/742/782
Hardware
Service
Guide
Summary of Contents for 4800-741
Page 2: ......
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Page 119: ...IBM IBM GA27 4004 GA27 4004 Updated July 14 2008 Appendix B Safety information 101...
Page 135: ...USB DASD optional 16 USB support 16 V video function 15 Updated July 14 2008 Index 117...
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