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+A
Auto answer Channel Select
Commands: +AA, +AB
The originating modem normally uses the A-channel. The
default setting is to use the B channel in auto answer. This
command allows for the reversed use of the channels.
AT+ABE
" 1
Selects channel B.
+8A
Auto answer control modification
Commands:
+&A0, +&A'1
».|ct108, DTR, is off in the following
* | configurations:
« |
Asynchronous dialling (+E1, +ED1)
Synchronous modes (&M1, &M2,
&M3) DTR Disconnect (&D2)
T+&A0
Le
a
. a oe
Disable autoanswer when V.24
ATER
4 el
aS :
:
[Enable autoanswer even when
ATHEAS
a
eno.
1V.24 ct108, DTR, is off in the
above mentioned configurations.
Some DTE' s does not give commands to the modem and it will
only be used as an answering unit. The modem
link termination
is controlled by DTR, consequently the &D2 is activated. Very
often the DTR is controlled by «Data carrier detect» signa! (109).
This signal will not turn on before data mode is reached and
+8&A1 should be entered enabling auto answer.
Selection of Bell or ITU-T standard
Commands:
BO, B1
This command
is used to select BELL/ITU-f recommendation.
The modem can be used in the USA and other countries
employing the Bell communication standard.
Note that if you ring at a transmission rate of 300 bps then the
other modem must also be operating at the same rate.
If you use ITU-T communication standards and the other modem
uses Bell standard, then it will be impossible to obtain the
CONNECT message.
ATB1
el
-
a
Selects Bell standard.
3-6
LZTR104006 R1.00
Zat 14.4/14.4-7 and Zat 19.2/19.2-7
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