Standard V.25Ter At Commands; A/ Repeat Previous Command Line; Switch From Data Mode To Command Mode - Siemens TC37 Module At Command Reference

AT Command Set

2 Standard V.25ter AT Commands

These AT Commands
Telecommunication sector) V.25ter document.
TC35, TC37 and
S0,S3,S4,S5,S6,S7,S8,S10,S18 by using the appropriate ATSn commands. All the other registers are
read-only and for internal usage only!

2.1 A/ Repeat previous command line

Execute command Response
A/ Repeats previous command line. Line does not need to end with terminating
character.
Parameter
Reference Note
· After beginning with the character "a" or „A", a second character "t" ,"T" or "/"
V.25ter
has to follow. In case of using a wrong second character, it is necessary to
start again with character "a" or "A".
· If autobauding is active (see +IPR, pg. 40) A/ (and a/) cannot be used.

2.2 +++ Switch from data mode to command mode

Execute command Response
This command is only available during data calls. The +++ character sequence
+++
causes the TA to cancel the data flow over the AT interface and switch to
command mode. This allows you to enter AT commands while maintaining the
data connection to the remote device.
OK
To prevent the +++ escape sequence from being misinterpreted as data, it must
be preceded and followed by a pause of at least 1000 ms. The +++ characters
must be entered in quick succession, all within 1000 ms.
Reference Note:
· To return from on-line command mode to on-line data mode: Enter ATO as
V.25ter
described in Chapter 2.17.
TC3X_ATC_01_V04.00
are related to ITU-T
TC35T support the
Page 15 of 204
(International Telecommunication
registers S0-S29.
Union,
You can change
29.05.2002