Specifications

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Chapter 4 – Serial Interface Control Commands

Multi-Tech Systems, Inc. AT Commands for EDGE Modems (S000371B) 54

Parameter Descriptions:

<value>

0 Disables reporting of local port rate

1 Enables reporting of local port rate

<rate>

Port rate setting upon connection setup (bps)

0 Autobauding (see Section 4.9.1, Autobauding).

300

600

1200

2400

4800

9600

14400

19200

28800

38400

57600

115200

230400

460800

4.9 AT+IPR Set Fixed Local Rate

Description: The command AT+IPR can be used to set or query the TE-TA interface bit rate.

The test command returns the values of the supported automatically detectable bit rates and the

values of the supported fixed bit rates.

The read command returns the current bit rate of the interface.

The write command specifies the bit rate to be used for the interface. When you set a fixed-rate,

make sure that both TE (DTE) and TA (DCE) are configured to the same rate. When you select

autobauding, the TA will automatically recognize the bit rate currently used by the TE.

The setting is stored in the non-volatile memory and will be used whenever the engine is

powered up again. However, in case of autobaud mode (AT+IPR=0) the detected TA bit rate will

not be saved and, therefore, needs to be resynchronized after restarting the GSM engine (see

Section 4.91, Autobauding).

Test Command Syntax: AT+IPR=?

Response: +IPR: (list of supported auto-detectable <rate>s) , (list of supported fixed-only <rate>s)

Read Command Syntax: AT+IPR?

Response: +IPR: <rate>

Write Command Syntax: AT+IPR=<rate>

Response: OK

ERROR

+CME ERROR

Parameter DescriptionsD