Synaccess-networks NP-0801DTM Manuel d'utilisateur télécharger pdf (Page 34)

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HAYESCOMPLIANTATCOMMANDS

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HSPA+ATCommandsReferenceGuide 34

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ParametersandValues

<n> 

0 DeviceignoresDTRtransitions.Default:0.

1

DCDfollowsthecarrierdetectstatus:ifcarrierisdetectedDCDishigh,otherwise

DCDislow.

2

Whenthemoduleisconnected,thehightolowtransitionofDTRpinsetsthe

deviceincommandmode,thecurrentconnectionisnotclosed.

3 DeviceignoresDTRtransitions.

4 C108/1o

perationisdisabled.

5 C108/1operationisenabled.Samebehaviorasfor<n>=2.

Notes

 Ifaconnectionissetupissuing#SKTD,thenAT&D1hasthesameeffectasAT&D2.Ifaconnectionissetup

issuingAT#SDthenAT&D1andAT&D2havedifferenteffect,asdescribedabove.

 IfAT&D2isissuedandtheDTRistiedLo w, autoansweringisinhibitedanditispossibletoansweronlyissuing

commandATA.

 Ifparameterisomitted,thecommandhasthesamebehaviorasAT&D0.

 Reference:V.25ter.

DataSetReady(DSR)Control&S

SetcommandcontrolstheRS232DSRpinbehavior.

Syntax

Command Commandtype

AT&S[<n>] Set

ParametersandValues

<n> 

0 Alwayshigh.

1 FollowstheGSMtrafficchannelindication.

2 Highwhenconnected.

3 Highwhendeviceisreadytoreceivecommands.Default:3

Notes

 Ifoption1isselectedthenDSRistiedhighwhenthedevicereceivesfromthenetworktheGSMtrafficchannel

indication.

 InpowersavingmodetheDSRpinisalwaystiedlow.

 Ifparameterisomitted,thecommandhasthesamebehaviorasAT&S0.

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Synaccess-networks NP-0801DTM Manuel d'utilisateur Page 34