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Sierra Wireless 20070914 Cell Phone User Manual

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Data Communication and Host Modes

Rev 3.0B Feb.08 52

IftheserialportoftheRavenisinanymodeotherthanATor

PassThru,theATcommandmodecanbere‐enteredby:

• DeactivatingDTR(if&D2orIgnoreDTR,S211,isnotset).

• Issuingthe+++escapesequence(ifDisableATEscape,

DAE,isnotset).

• ResettingorPowercyclingthemodem.

Note: DTR needs to be asserted (S211=1 or &D0) by the host before

PPP Mode, SLIP Mode, UDP PAD Mode, or TCP PAD Mode can be

entered.

AT Mode

Usingaterminalconnection,ATcommandsareusedto

configurethemodem,commandittodosomething,orquerya

setting.ForafulllistingoftheATcommands,refertothe

appendix.AceManagerisagraphicaluserinterfaceformost

ATCommands.

• ATcommandsmustalwaysbeterminatedby<CR>(ASCII

character0x0D),acarriagereturn(pressingenteronthe

keyboard).Somemayalsoincludeanewlineorlinefeed

<LF>.

• IfE=1(EchoOn),theATcommand(includingthetermi‐

nating<carriagereturn)willbedisplayed(output)before

anyresponses.

• TwosettingsaffecttheformatofATcommandoutput:V

(Verbose)andQ(Quiet).

• IfQ=1(QuietOn),noresultcodesareoutputwhatsoever,

sothereisnoresponsegeneratedbya(nonquery)

command.

• IfQ=0(QuietOff),resultcodesareoutput.Theformatof

thisoutputisthenaffectedbytheVerbosesetting.

IfQuietmodeisoff,theresultcodeisaffectedasfollows:

ForV=1(Verbosemode),thetextualresultcodeissur‐

roundedbyacarriagereturnandnewline.AnyAT

queryresponseisalsosurroundedbyacarriagereturn

andnewline.

ForV=0(Tersemode),anumericresultcodeisoutput

withasingletrailingcarriagereturn(nonewlineis

output),whileanyATqueryresponseisfollowedbya

carriagereturnandnewline(thereisnopreceding

output).

• Forexample,possibleoutputtotheATcommand“AT”

withcarriagereturn(assumingquietmodeisnoton)is:

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