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

Introduction
Congratulations
on
your
purchase
of
the
Modem
4R
This
modem
has
no
swilclws
ut
liyl
its
arid
is
entirely controlled
by
Model
4P
Compiler
keyboard
entries.
A
card
edge
connector
at
one end
of
the
card connects the
modem
to the
computers power
circuitry
The
other
end
of the
card
has two
telephone connectors which
let
you
attach
a
telephone
in parallel with existing
telephone
circuitry.
Also, at
trie
back
of
the card
is
an
RS-232C
cable,
which
connects
to
the
RS-232C
output
of
your computer.
The
Modem
flP is fully
controllod
by
Iho
RS
232C
port
and
aerial
data
ia
passed from
the
computer
to
the
modem
Commands
are
used
to
program
the
Modem
4P
via
the keyboard.
You can program
the
Modem
for
Manual/Originate
or
Manual;
Answer
modes
which
means
that
if
you
are contacting
a remote
computer
in
Manual
Originate
mode, you
will
manually
dial
the
telephone number, and
when
you are
in
Manual/Answer mode,
you
will
manually answer
an
incoming
call.
Or,
you can program
the
Modem
for
Auto/Originate or Auto/Answer which
means
that
whftn
in
Autn/Orkjirwte
mode,
ihe
Modem
will
automatically
dial
the telephone
number
of
a remote computer, and
when
in
Auto/
Answer mode,
the
Modem
will
automatically
answer an
incoming
call.
ii!