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Caution:
Users
should
not
attempt
to
make
such
connections
themselves,
but
should
contact
the
appropriate
electric
inspection
authority,
or
electrician,
as
appropriate.
NOTICE:
The
Ringer
Equivalence
Number
(REN)
assigned
to
each
terminal
device
provides
an
indication
of
the
maximum
number
of
terminals
allowed
to
be
connected
to
a
telephone
interface.
The
termination
on
an
interface
may
consist
of
any
combination
of
devices
subject
only
to
the
requirement
that
the
sum
of
the
Ringer
Equivalence
Numbers
of
all
the
devices
does
not
exceed
5.
Power
cord
notice
For
your
safety,
IBM
provides
a
power
cord
with
a
grounded
attachment
plug
to
use
with
this
IBM
product.
To
avoid
electrical
shock,
always
use
the
power
cord
and
plug
with
a
properly
grounded
outlet.
IBM
power
cords
used
in
the
United
States
and
Canada
are
listed
by
Underwriter
’
s
Laboratories
(UL)
and
certified
by
the
Canadian
Standards
Association
(CSA).
For
units
intended
to
be
operated
at
115
volts:
Use
a
UL-listed
and
CSA-certified
cord
set
consisting
of
a
minimum
18
AWG,
Type
SVT
or
SJT,
three-conductor
cord,
a
maximum
of
15
feet
in
length
and
a
parallel
blade,
grounding-type
attachment
plug
rated
15
amperes,
125
volts.
For
units
intended
to
be
operated
at
230
volts
(U.S.
use):
Use
a
UL-listed
and
CSA-certified
cord
set
consisting
of
a
minimum
18
AWG,
Type
SVT
or
SJT,
three-conductor
cord,
a
maximum
of
15
feet
in
length
and
a
tandem
blade,
grounding-type
attachment
plug
rated
15
amperes,
250
volts.
For
units
intended
to
be
operated
at
230
volts
(outside
the
U.S.):
Use
a
cord
set
with
a
grounding-type
attachment
plug.
The
cord
set
should
have
the
appropriate
safety
approvals
for
the
country
in
which
the
equipment
will
be
installed.
IBM
power
cords
for
a
specific
country
or
region
are
usually
available
only
in
that
country
or
region.
For
units
intended
to
be
operated
in
Denmark:
Use
a
cord
set
with
a
grounding-type
attachment
plug
.
The
cord
set
should
have
the
appropriate
safety
approvals
for
the
country
in
which
the
equipment
will
be
installed.
For
units
intended
to
be
operated
in
Norway,
Sweden,
Finland:
Use
a
cord
set
with
a
two-prong
attachment
plug.
The
cord
set
should
have
the
appropriate
safety
approvals
for
the
country
in
which
the
equipment
will
be
installed.
68
Quick
Reference
Summary of Contents for ThinkCentre A51
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