Astffi^W.
aunt.
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12:00 midnight, for
example, you'll
save time and be
able to take
advantage of lower
telephone
rates. When
programming, be sure to use
the
following protocol:
Modem II
Programming
Protocol
8 Data Bits
No
Parity
300 Baud
1
Stop Bit
Uppercase only
Table
1
A Brief
Overview of
Modem II
Commands
When programming your modem,
enter only one
character at a time. Do not
attempt to type
(or
send) the "next"
character until the "current"
character is echoed. Your
Modem will either
echo the
character
you send
(display it on the
Screen if you're using
Videotex) or send an
error
symbol
(?
or N),
indicating that you sent an
invalid command.
Occasionally your Modem
will
neither echo the
character you sent nor send an
error message (a question
mark). When
this
happens,
just send the character again (this
usually occurs only
when sending an
*).
Remember! Type in all
commands as capital
letters. The Modem II
doesn't recognize
lowercase
letters. These commands
are explained in more
detail in Appendix B.
Modem II
Programming
Commands
Command
Function
*
Opens
modem for
programming.
C Clears
(resets) modem
memory.
D Clears
current telephone
number from
memory.
Must
precede any
new
telephone
number.
F
Fast rotary dialing
(20
pps).
T
Transmits
(displays) current contents
of modem
memory to the
computer (terminal).
P Inserts a
two-second pause in
dialing
sequence.
Q
Puts
modem into
LOCal Test Mode.
R Rotary dialing
(default value).
S Slow rotary
dialing f 1 pps)
(default
value)
T Tone dialing (10
digits per
second).
X Executes current
program (dials
phone
number in
memory).
Table
2
Before programming, be sure to use the correct
protocol (see
Table
1)
and be sure
that the
Computer
you intend to communicate
with
is
using the
same protocol.
16
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