Lenovo Notebook Computer User Guide
Note:
Be
careful
not
to
plug
the
telephone
line
into
the
slightly
larger
network
connector.
The
telephone
line
uses
higher
voltage
than
the
LAN
cable;
it
might
damage
your
computer.
1.1.4.2
Modem
jack
The
Modem
jack
allows
you
to
connect
your
notebook
to
a
telephone
line
with
a
standard
RJ
‐
11
connector.
Note:
Never
connect
the
Modem
jack
to
a
digital
line.
The
high
current
of
a
digital
line
might
damage
the
Modem.
1.1.5
USB
ports
x1
Use
Universal
Serial
Bus
(USB)
connectors
to
connect
USB
interface
‐
compatible
devices,
such
as
a
printer
or
digital
camera.
The
USB
ports
comply
with
USB2.0
standards,
which
enable
data
transfer
speeds
40
times
faster
than
the
USB
1.1
standards.
(The
ports
also
support
USB
1.1.)
Hint:
The
USB
device
supports
PnP
(Plug
and
Play)
technology.
That
means
you
can
install
and
remove
the
USB
device
when
your
computer
is
on.
Caution:
Do
not
install
or
remove
the
USB
device
while
the
compter
is
starting
or
shutting
down.
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