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INTRODUCTION

23 AT Commands for EV-DO-EV3 Modems

Command Estimated maximum time to get response (Seconds)

#SEMAIL 210 ( context activation + DNS resolution )

#QDNS 170

#FTPOPEN 500 (timeout set with AT#FTPTO, in case no response is received from server)

#FTPCLOSE 500 (timeout set with AT#FTPTO, in case no response is received from server)

#FTPTYPE 500 (timeout set with AT#FTPTO, in case no response is received from server)

#FTPDELE 500 (timeout set with AT#FTPTO, in case no response is received from server)

#FTPPWD 500 (timeout set with AT#FTPTO, in case no response is received from server)

#FTPCWD 500 (timeout set with AT#FTPTO, in case no response is received from server)

#FTPLIST 500 (timeout set with AT#FTPTO, in case no response is received from server) +

time to get listing

#FTPPUT 500 (timeout set with AT#FTPTO, in case no response is received from server)

#SGACT 150

#SH 10

#SD 140 (DNS resolution + connection timeout set with AT#SCFG)

Command Issuing Timing

The chain Command -> Response is always respected. You may not issue a new command until the module

finishes sending all of its response result codes.

This applies especially to applications that “sense” the OK text and therefore may send the next command before

the complete code <CR><LF>OK<CR><LF> is sent by the module.

It is recommended to wait for at least 20ms between the end of the reception of the response and the issue of the

next AT command.

If the response codes are disabled, and as such, the module does not report responses to the command, then the

20ms pause time is respected.

Storing Values Set by Commands Overview

Factory Profile And User Profiles

The wireless module stores the values set by several commands in the internal, non-volatile memory (NVM),

allowing this setting to remain even after power off. In the NVM, these values are set either as factory profile or as

user profiles.

There are two customizable user profiles and one factory profile in the NVM of the device: By default the device

starts with user profile 0 equal to factory profile.

For backward compatibility each profile is divided into two sections:

 base section which was historically the one that was saved and restored in early releases of code, and

 extended section which includes all the remaining values.

The &W command is used to save the actual values of both sections of profiles into the non-volatile memory user

profile.

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Multitech CDMA Guía de usuario Pagina 23