The Modem 4P - Radio Shack Modem 4P Operation Manual

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Programming
the
Modem
4P
The
Modem
4P
accepts data from
the
Model
4P
Computer,
converts
that
data
into
tones
and
then
sends
the
tones over
telephone
lines
to
another
modem.
II
also
accepts tones from
telephone
tines
and changes
those tones
into
data
that
your
computer
understands,
You can program
the
Modem
4P
to
Auto
Dial
or
Auto
Answer
and change
other
parameters simply by
using the
Programming
Commands
thai
let
you communicate
with
the
Modem.
The
following
criteria
must be met
before
computer-to-computer
communication can
occur.
Both computers
must have
ihe
same
communications
protocol;
x
Baud
Rate
(0
300)
x
Word
Length
x
Parity
x
Number
of
Stop
Bits
See
your
Computer owners manual
to find
out
how
to set
communication
protocol.
One
Modem
must be
in
the
ORIGinate
Mode
and
the other
must be
in
the
ANSwer
Mode.
Usually,
if
you
call
another
computer,
you should be
in
IlieORtGinat©
Mode,
If
you
receive
a
call,
you
should
be
in
Ihe
ANSwer
Mode.

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