Table 4: AT+ (Plus) Commands

Command

Option

Description

 

 

 

 

+FLO=1

XON/XOFF

 

 

 

 

+FLO=2

RTS/CTS

 

 

 

+FMI?

 

Report Manufacturer ID

 

 

 

+FMM?

 

Report Modem ID

 

 

 

+FMR?

 

Report Revision Level

 

 

 

+FRH

 

Receive High-Level Data Link Control (HDLC)

 

 

Mode Sets mode and transmit/receive rate for

 

 

faxes

 

+FRH=3

V.21 at 300 bps

 

 

 

 

+FRH=24

V.27ter at 2.4 Kbps

 

 

 

 

+FRH=48

V.27ter at 4.8 Kbps

 

 

 

 

+FRH=72

V.27ter at 7.2 Kbps

 

 

 

 

+FRH=73

V.27ter at 7.2 Kbps with long train time

 

 

 

 

+FRH=74

V.27ter at 7.2 Kbps with short train time

 

 

 

 

+FRH=96

V.29 at 9.6 Kbps

 

 

 

 

+FRH=97

V.17 at 9.6 Kbps with long train time

 

 

 

 

+FRH=98

V.17 at 9.6 Kbps with short train time

 

 

 

 

+FRH=121

V.17 at 12.0 Kbps with long train time

 

 

 

 

+FRH=122

V.17 at 12.0 Kbps with short train time

 

 

 

 

+FRH=145

V.17 at 14.4 Kbps with long train time

 

 

 

 

+FRH=146

V.17 at 14.4 Kbps with short train time

 

 

 

+FRM

 

Receive Mode Sets the modulation mode for

 

 

receiving faxes

 

+FRMm

Use mode m; see mode options for +FRH, above.

 

 

 

+FRS

 

Wait for Silence

 

 

 

 

+FRSn

Wait (n*10) ms; n=0 to 255

 

 

 

+FTH

 

Transmit High-Level Data Link Control (HDLC)

 

 

Mode

 

+FTHmode

Use mode mode; see options for +FRH, above.

 

 

 

+FTM

 

Transmit Mode Sets the modulation mode for trans-

 

 

mitting faxes

 

 

 

 

+FTMmode

Use mode mode; see options for +FRH, above.

 

 

 

+FTS

 

Pause Transmission

 

 

 

 

+FTSn

Pause transmission for (n*10) ms; n=0 to 255

 

 

 

+GCAP

 

Report Capabilities

 

 

 

 

+GCAP

Display modem capabilities

 

 

 

+GCI

 

Country of Installation

 

 

 

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Motorola SM56 manual +Fmi?, +Fmm?, +Fmr?, +Frh, +Frm, +Frs, +Fth, +Ftm, +Fts, +Gcap, +Gci