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Chapter 2 – At Command Features
Multi-Tech Systems, Inc. CDMA Wireless AT Commands - PN S000294C 14
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.