6.
If
you
are
replacing
the
lower
M12,
go
to
step
If
you
are
replacing
the
upper
M12,
go
to
step
7.
Install
the
bridge
tool
by
completing
the
following
steps:
a.
Remove
the
bridge
tool
from
its
box
and
adjust
the
two
supports
45°.
b.
Hold
the
bridge
tool
between
the
two
vertical
supports
near
EIA
unit
3.
c.
Move
the
two
supports
another
45°.
Make
sure
that
the
following
conditions
are
met:
v
The
two-pin
section
of
the
support
is
on
the
back
of
the
vertical
support.
v
The
one-pin
section
of
the
support
is
on
the
front
of
the
vertical
support.
d.
Align
the
two-pin
section
of
the
support
on
the
back
of
the
vertical
rail
with
the
bottom
and
middle
holes
in
EIA
unit
3.
e.
Align
the
one-pin
section
of
the
support
on
the
front
of
the
vertical
rail
with
the
middle
hole
in
EIA
unit
1.
Note:
You
might
want
to
tilt
the
bridge
tool
towards
the
back
of
the
cabinet
approximately
45°
to
make
it
easier
to
align
the
two-pin
and
one-pin
sections
with
the
vertical
support.
f.
Lock
the
shelf
into
position.
8.
For
the
upper
M12,
install
the
bridge
tool
by
completing
the
following
steps:
a.
Remove
the
bridge
tool
from
its
box
and
adjust
the
two
supports
45°.
b.
Hold
the
bridge
tool
between
the
two
vertical
supports
near
EIA
unit
20.
c.
Move
the
two
supports
another
45°.
Make
sure
that
the
following
conditions
are
met:
v
The
two-pin
section
of
the
support
is
on
the
back
of
the
vertical
support.
v
The
one-pin
section
of
the
support
is
on
the
front
of
the
vertical
support.
d.
Align
the
two-pin
section
of
the
support
on
the
back
of
the
vertical
rail
with
the
bottom
and
middle
holes
in
EIA
unit
20.
e.
Align
the
one-pin
section
of
the
support
on
the
front
of
the
vertical
rail
with
the
middle
hole
in
EIA
unit
18.
f.
Lock
the
shelf
into
position.
9.
Locate
the
anti-tip
bars
and
if
they
are
not
attached,
attach
them
to
the
lift
tool.
If
anti-tip
bars
were
previously
attached,
go
to
step
a.
Pull
up
on
the
leg-lock
pins
and
insert
the
anti-tip
bars
inside
the
legs.
b.
Pull
on
the
legs
and
anti-tip
bars
to
ensure
that
they
are
locked
into
position.
c.
Raise
the
platform
to
allow
enough
room
to
attach
the
anti-tip
bracket.
d.
Secure
the
anti-tip
bars
with
the
anti-tip
bracket
and
bolt.
10.
Move
the
lift
tool
to
a
position
near
the
rear
of
the
cabinet.
11.
Turn
the
winch
crank
clockwise
to
raise
the
switch.
Move
the
lift
tool
into
position
in
front
of
the
cabinet
while
you
align
the
24-inch
load
plate
with
the
line
on
the
bridge
tool.
12.
Turn
the
winch
crank
counterclockwise
1/4
turn
to
set
the
winch
brake.
54
IBM
TotalStorage
SAN
Switch:
2109
Model
M12
Installation
and
Service
Guide
Содержание TotalStorage 2109 M12
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