Chapter 2 – At Command Features

CHAPTER 2 - AT COMMAND FEATURES

Line Settings

A serial link handler is set with the following default values (factory settings): 115,200bps, 8 bits data, 1 stop bit, no parity, RTS/CTS flow control.

Please use the +IPR, +IFC and +ICF commands to change these settings.

Command Line

Commands always start with AT (which means ATtention) and finish with a <CR> character.

Information Responses and Result Codes

Responses start and end with <CR><LF>, except for the ATV0 (response format) and the ATQ1 (result code suppression) commands.

If command syntax is incorrect, an ERROR string is returned.

If extended error reports are enabled (+CMEE), the +CME ERROR: <Err> or +CMS ERROR: <SmsErr> strings are returned with different error codes. Refer to the appendix for a definition of error codes and their meanings.

If the command line has been performed successfully, an OK string is returned.

In the following examples <CR> and <CR><LF> are intentionally omitted.

Multi-Tech Systems, Inc. CDMA Wireless AT Commands - PN S000294C

14

Page 14
Image 14
Multi-Tech Systems CDMA Wireless Modem manual Line Settings, Command Line, Information Responses and Result Codes