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101

MC55 AT Command Set

4.7 AT+IPR

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MC55_ATC_V01.05 Page 96 of 469 2/10/04

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4.7 AT+IPR Set fixed local rate

The command AT+IPR can be used to set or query the DTE-DCE interface bitrate.

Syntax

Command Description

The test command returns the values of the supported automatically detectable bitrates and the values of the

supported fixed-bitrates.

The read command returns the current bitrate of the interface.

The write command specifies the bitrate to be used for the interface. When you set a fixed-rate, make sure that

both DTE (TE) and DCE (TA) are configured to the same rate. When you select autobauding, the DCE will auto-

matically recognize the bitrate currently used by the DTE.

A selected bitrate takes effect following the issue of any result code associated with this command (e.g. OK).

The setting is stored in the non-volatile memory and will be used whenever the engine is powered up again. How-

ever, in case of autobaud mode (

AT+IPR=0) the detected DCE bitrate will not saved and, therefore, will resyn-

Test Command

AT+IPR=?

Response(s)

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

Read Command

AT+IPR?

Response(s)

+IPR: <rate>

Write Command

AT+IPR=<rate>

Response(s)

ERROR

+CME ERROR

PIN ASC0 ASC1 MUX1 MUX2 MUX3

! % § § § §

Reference(s)

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Siemens MC55 Manuel d'utilisateur Page 96

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