AC
grounding
DANGER
An
electrical
outlet
that
is
not
correctly
wired
could
place
hazardous
voltage
on
metal
parts
of
the
system
or
the
devices
that
attach
to
the
system.
It
is
the
responsibility
of
the
customer
to
ensure
that
the
outlet
is
correctly
wired
and
grounded
to
prevent
an
electrical
shock.
(D004)
Check
the
voltage
label
on
the
bottom
of
the
device
to
ensure
that
it
matches
the
voltage
at
the
power
source.
1.
Check
the
voltage
level
at
the
power
source.
2.
Check
for
proper
grounding.
Attention:
Always
use
an
analog
meter,
never
a
digital
meter,
to
perform
the
ground
check
of
the
power
outlet.
A
digital
meter
can
give
the
wrong
reading
if
ground
current
is
present.
3.
With
the
power
cable
connected
to
the
switch,
verify
that
there
is
0.1
ohm
or
less
resistance
between
the
ground
lug
on
the
power
cable
plug
and
the
metal
frame.
4.
If
the
switch
passes
the
test
in
steps
to
connect
the
power
cable
to
the
power
source.
Inspecting
the
bridge
tool
Note:
The
bridge
tool
(PN
18P5855)
is
only
shipped
with
a
replacement
2109
Model
M12
and
is
not
part
of
the
normal
ship
group.
Inspect
the
bridge
tool
and
ensure
that
the
two
adjustable
supports
are
securely
fastened
and
are
rotated
90°
from
the
base
plate.
Perform
the
following
safety
label
checks
for
the
bridge
tool:
1.
Verify
that
the
bridge
tool
alignment
label
shown
in
is
installed
on
the
load
plate.
xviii
IBM
TotalStorage
SAN
Switch:
2109
Model
M12
Installation
and
Service
Guide
Содержание TotalStorage 2109 M12
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