Terminal
Equipment
Technical
Requirements
documents.
The
Department
does
not
guarantee
the
equipment
will
operate
to
the
user’s
satisfaction.
Before
installing
this
equipment,
users
should
ensure
that
it
is
permissible
to
be
connected
to
the
facilities
of
the
local
telecommunications
company.
The
equipment
must
also
be
installed
using
an
acceptable
method
of
connection.
The
customer
should
be
aware
that
compliance
with
the
above
conditions
may
not
prevent
degradation
of
service
in
some
situations.
.*
Repairs
to
certified
equipment
should
be
coordinated
.*
by
a
representative
designated
by
.*
the
supplier.
Any
repairs
or
alterations
made
by
the
user
to
this
equipment,
or
equipment
malfunctions,
may
give
the
telecommunications
company
cause
to
request
the
user
to
disconnect
the
equipment.
Users
should
ensure
for
their
own
protection
that
the
electrical
ground
connections
of
the
power
utility,
telephone
lines,
and
internal
metallic
water
pipe
system,
if
present,
are
connected
together.
This
precaution
may
be
particularly
important
in
rural
areas.
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.
Informazioni
relative
ai
cavi
di
alimentazione
Per
la
sicurezza
dell’utente,
la
Lenovo
fornisce
un
cavo
di
alimentazione
con
spina
munita
di
terra
di
sicurezza
da
utilizzare
con
questo
prodotto.
Per
evitare
pericolose
scosse
elettriche,
utilizzare
sempre
il
cavo
di
alimentazione
e
la
spina
con
una
presa
di
corrente
munita
di
alveolo
correttamente
collegato
alla
terra
di
protezione.
I
cavi
di
alimentazione
forniti
dalla
Lenovo
utilizzati
negli
Stati
Uniti
e
in
Canada
sono
accettati
dai
laboratori
UL
(Underwriter’s
Laboratories)
e
certificati
dall’associazione
CSA
(Canadian
Standards
Association).
Per
unità
che
devono
funzionare
a
115
volt:
Utilizzare
cavi
di
alimentazione
approvati
dai
laboratori
UL
e
certificati
dalla
CSA,
con
AWG
18
(minimo),
di
tipo
SVT
o
SJT,
con
cavo
a
tre
conduttori,
di
lunghezza
massima
di
circa
4,5
metri
con
lama
a
tandem,
con
spina
dotata
di
messa
a
terra
da
15
Amp
e
125
volt.
29
0
Guida
di
riferimento
rapido
Summary of Contents for ThinkCentre E51
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Page 449: ...Part Number 41T3126 Printed in USA 1P P N 41T3126 ...