Table of Contents
Advertisement
When carrier is asserted by your modem, the calling modem replies with its c::irrier.
The modems are now in an on-line status and telecommunications can begin
.
If the modem does not receive a valid tone from the other modem within 13 seconds
,
it
aborts the call with the statement ND TONE (no carrier tone)
.
The DC-2212 modem
then reverts back into the auto-answer mode and outputs AU T 0 ANSWER to your
computer.
When either modem breaks connection after a successful data exchange
,
the DC-2212
alerts you by sending the message DI SC 0 N NEC T and returns to the auto-answer mode
and monitors the lines
. As
long as the modem is in the auto-answer mode
,
it will
continue to monitor the telephone lines for an incoming call.
Regardless of the number of calls received and the number of calls that transferred
computer data to your system
,
the DC-2212 modem always returns to the call -waiting
state. You can turn off this call -waiting mode by pressing
0
(CJ
is not needed)
.
When the modem sees the
* (*
will not be echoed)
,
it will return to the command
receptive state
.
Note: The parameters are still not changed! If you want to return to the auto-answer
mode, send the X command
.
If you want to make an outside call, press
CQJ
(originate
mode) to take the modem out of the answer mode
.
Automatic Originate Mode
When you want to call another modem, but do not want to dial it
yourself,
you can
program the modem to dial it in the auto-originate mode.
1.
Press
0 0
to wake up the modem. When cold-started
,
the modem defaults to
automatic originate mode. Press
OJ
to check the modem
'
s current
parameters.
These commands echoe as
:
If your listing does not show MANUAL MODE: N and DR I G MODE:
Y, press
00
CQJ.
2.
Use the D command to program the di aler memory
,
-
that
is,
tell the modem
what number you want dialed
.
After typing in the phone number
,
press
00
to
force the modem out of the command receptive state and to begin dialing the
number. (See dialing instructions and codes under Programming Commands,
page 27.)
16
Advertisement
Table of Contents
