Toshiba PSM30C-7101U User Manual - Page 183
Appendix C AT Commands
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APPENDIX C Appendix C AT Commands In most cases, you will not need to type AT commands manually. However, there might be some occasions when you will need to do so. This chapter describes AT commands for data mode. Fax and voice commands are taken care of by application software. The format for entering AT commands is: ATXn where X is the AT command, and n is the specific value for that command. After you type in the command press Enter. Any command issued is acknowledged with a response in either text or numeric values known as result codes. All commands and command-values accepted by the modem are described in this section; any entry other than those listed results in an error. +++ Escape sequence The escape sequence allows the modem to exit data mode and enter online command mode. While in online command mode, you can communicate directly to your modem using AT commands. Once you finish, you can return to data mode using the ATO command. A pause, the length of which is set by Escape Guard Time (S12), must be completed after an escape sequence is entered, This pause prevents the modem from interpreting the escape sequence as data. The value of the escape sequence character may be changed using register S2. A/ Repeat last command This command repeats the last command string entered. Do not precede this command with an AT prefix or conclude it by pressing Enter. C-1