Multitech CDMA Guía de usuario descargar pdf (Pagina 21)

INTRODUCTION

21 AT Commands for EV-DO-EV3 Modems

 If command V1 is enabled (verbose responses codes) and all commands in a command line performed

successfully, result code <CR><LF>OK<CR><LF> is sent from the TA to the TE, if subparameter values of a

command are not accepted by the TA or command itself is invalid, or command cannot be performed for

some reason, result code <CR><LF>ERROR<CR><LF> is sent and no subsequent commands in the command

line are processed.

 If command V0 is enabled (numeric responses codes), and all commands in a command line performed

successfully, result code 0<CR> is sent from the TA to the TE. If sub-parameter values of a command are not

accepted by the TA or command itself is invalid, or command cannot be performed for some reason, result

code 4<CR> and no subsequent commands in the command line are processed.

In case of errors depending on ME operation, ERROR (or 4) response may be replaced by +CME ERROR: <err> or

+CMS ERROR: <err>.

Note: The command line buffer accepts a maximum of 80 characters. If this number is exceeded none of the

commands are executed and TA returns ERROR.

Information Responses And Result Codes

For the previous Example, if verbose response format is enabled the terminal adapter (TA) response might appear

as:

 Information response to +CMD1?

 Information response to +CMD1=?

 Final result code

Result codes according to ITU-T V.25ter

Two types of result codes include:

 Result codes that inform about progress of TA operation, for example connection establishment CONNECT.

 Result codes that indicate occurrence of an event not directly associated with issuance of a command from

TE (for example ring indication RING).

Numeric form Verbose form

0 OK

1 CONNECT or CONNECT <text>

where <text> can be”300”, “1200”, “2400”, “4800”, “9600”, “14400” or “1200/75”

2 RING

3 NO CARRIER

4 ERROR

6 NO DIALTONE

7 BUSY

8 NO ANSWER

1 2 ... 16 17 18 19 20 21 22 23 24 25 26 ... 248 249

Sin comentarios

Multitech CDMA Guía de usuario Pagina 21