HC25 AT Command Set - Portech.com.tw
HC25 AT Command Set - Portech.com.tw
HC25 AT Command Set - Portech.com.tw
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<strong>HC25</strong> <strong>AT</strong> <strong>Command</strong> <strong>Set</strong><br />
1.3 Document Conventions<br />
s<br />
1.3 Document Conventions<br />
Throughout the document, the GSM engines are referred to as ME (Mobile Equipment), MS (Mobile Station), TA<br />
(Terminal Adapter), DCE (Data Communication Equipment) or facsimile DCE (FAX modem, FAX board).<br />
To control your GSM engine you can simply send <strong>AT</strong> <strong>Command</strong>s via its serial interface. The controlling device<br />
at the other end of the serial line is referred to as TE (Terminal Equipment), DTE (Data Terminal Equipment) or<br />
plainly 'the application' (probably running on an embedded system).<br />
All abbreviations and acronyms used throughout this document are based on the GSM specifications. For definitions<br />
please refer to TR 100 350 V7.0.0 (1999-08), (GSM 01.04, version 7.0.0 release 1998).<br />
1.3.1 Quick Reference Table<br />
Each <strong>AT</strong> <strong>com</strong>mand description includes a table similar to the example shown below. The table is intended as a<br />
quick reference to indicate the following functions:<br />
PIN:<br />
Is the <strong>AT</strong> <strong>com</strong>mand PIN protected<br />
+ Yes<br />
- No<br />
± Usage is dependent on conditions specified for the <strong>com</strong>mand, or not all <strong>com</strong>mand<br />
types are PIN protected (for example write <strong>com</strong>mand PIN protected, read <strong>com</strong>mand<br />
not).<br />
Note: The table provided in Section 19.3, Available <strong>AT</strong> <strong>Command</strong>s and Dependency<br />
on SIM PIN uses the same symbols.<br />
USB0-MDM: Is the <strong>AT</strong> <strong>com</strong>mand supported on the Modem interface<br />
+ Yes<br />
- No<br />
USB0-APP: Is the <strong>AT</strong> <strong>com</strong>mand supported on the Application interface<br />
+ Yes<br />
- No<br />
Last:<br />
If <strong>com</strong>mands are concatenated, this <strong>AT</strong> <strong>com</strong>mand must be the last one.<br />
+ Yes<br />
- No<br />
Note: See also Section 1.5, <strong>AT</strong> <strong>Command</strong> Syntax for details on concatenated <strong>AT</strong> <strong>com</strong>mands.<br />
Example:<br />
PIN USB0-MDM USB0-APP Last<br />
- + + -<br />
1.3.2 Superscript Notation for Parameters And Values<br />
Table 1.1:<br />
Parameter type<br />
(num)<br />
(str)<br />
Table 1.2:<br />
Parameter option<br />
(+CSCS)<br />
Symbols used to mark the type of parameters<br />
Meaning<br />
Parameter value must be numeric type<br />
Parameter value must be string type enclosed in quotation marks.<br />
Symbols used to indicate the correlations with other <strong>com</strong>mands<br />
Meaning<br />
Parameter value has to be (is) coded according to current setting of (see<br />
<strong>AT</strong>+CSCS for details)<br />
<strong>HC25</strong>_<strong>AT</strong>C_V01.200 Page 12 of 290 7/25/07<br />
Confidential / Released
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