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AT Commands Reference Manual - wireless netcontrol GmbH

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Chapter 3: <strong>AT</strong> <strong>Commands</strong> <strong>Reference</strong><br />

Command<br />

Type<br />

Syntax Response/Action Remarks<br />

Read <strong>AT</strong>+CBST? +CBST:<br />

,,<br />

OK<br />

Test <strong>AT</strong>+CBST=? +CBST: (list of<br />

supported<br />

s),(list of<br />

supported<br />

s),(list of<br />

supported s)<br />

OK<br />

The Test command returns values<br />

supported by the MA as compound<br />

values.<br />

The following table shows the +CBST parameters.<br />

Table 3-16: +CBST Parameters<br />

<br />

Description<br />

<br />

Data rate value<br />

Note: When <strong>AT</strong>+CBST=0 and <strong>AT</strong>X>0, data rate is not returned after 'CONNECT'<br />

unless it's an MT call in GSM. The data rate returned in MT side is the network's<br />

and not the ME's.<br />

<br />

<br />

0 - Data circuit asynchronous (default)<br />

1 - Data circuit synchronous<br />

0 - Transparent<br />

1 - Non-transparent (default)<br />

H24 supports the following settings in GSM mode:<br />

Table 3-17: +CBST Settings in GSM Mode<br />

+CBST<br />

Command<br />

Protocol<br />

* WAIUR<br />

Air bit rate<br />

[Kbps]<br />

** FNUR<br />

Air bit rate<br />

[Kbps]<br />

Attributes<br />

Comments<br />

<strong>AT</strong>+CBST=0,0,1 9.6 Undef Nontransparent<br />

asynchronous<br />

Auto-bauding (automatic<br />

selection of the speed; this<br />

setting is possible in case of<br />

3.1 kHz modem and<br />

non-transparent service).<br />

<strong>AT</strong>+CBST=7,0,1 V.32 Undef Undef Nontransparent<br />

asynchronous<br />

<strong>AT</strong>+CBST=12,0,1 V.34 9.6 9.6 Nontransparent<br />

asynchronous<br />

<strong>AT</strong>+CBST=14,0,1 V.34 14.4 14.4 Nontransparent<br />

asynchronous<br />

Default setting.<br />

April 15, 2010 H24 - <strong>AT</strong> <strong>Commands</strong> <strong>Reference</strong> <strong>Manual</strong> 3-37

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