2 select serial port rate - +fpr – Rainbow Electronics GM862-QUAD-PY User Manual

Page 237

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AT Commands Reference Guide

80000ST10025a Rev. 5 - 09/07/08

Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved

page 237 of 434

+FLO - Select Flow Control Specified By Type

SELINT 0 / 1 / 2

+FLO: 0

AT+FLO=?

Test command returns all supported values of the parameter <type>.

Note: test command result is without command echo.

Reference

ITU T.31 and TIA/EIA-578-A specifications

3.5.6.3.2 Select Serial Port Rate - +FPR

+FPR - Select Serial Port Rate

SELINT 0 / 1 / 2

AT+FPR=<rate>

Set command selects the the serial port speed in both directions, from DTE
to DTA and from DTA to DTE. When autobauding is selected, then the
speed is detected automatically.

Parameter:
<rate> - serial port speed selection
0 – autobauding

Note: it has no effect and is included only for backward compatibility with
landline modems

AT+FPR?

Read command returns the current value of parameter <rate>

AT+FPR=?

Test command returns all supported values of the parameters <rate>.

Note: test command result is without command echo.

Reference

ITU T.31 and TIA/EIA-578-A specifications

3.5.6.3.3 Double Escape Character Replacement Control - +FDD

+FDD - Double Escape Character Replacement Control

SELINT 0 / 1 / 2

AT+FDD=<mode>

Set command concerns the use of the <DLE><SUB> pair to encode
consecutive escape characters (<10h><10h>) in user data.

Parameter
<mode>
0 - currently the only available value. The DCE decode of <DLE><SUB> is

either <DLE><DLE> or discard. The DCE encode of <10h><10h> is
<DLE><DLE><DLE><DLE>

AT+FDD?

Read command returns the current value of parameter <mode>

AT+FDD=?

Test command returns all supported values of parameter <mode>.

Note: test command result is without command echo.

Reference

ITU T.31 and TIA/EIA-578-A specifications

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