AT Command Manual for Sierra MC87XX Module

MC87xx Extended AT Command Reference
14 2130616
ThepasswordassignedtoAT!ENTERCNDisuniquetoeach
carrierandisconfiguredontothe modemduringmanufacture.
Ifyoudonotknowyourpassword,contactyourSierra
WirelessAccountManager.
Command timing
Somecommandsrequiretimetoprocessbeforeadditional
commandsareentered.Forexample,themodemwillreturn
“OK”whenitreceivesAT!DAFTMACT.IfAT!DASBANDis
receivedtoosoonafterthis,themodemwillreturnanerror.
Whenbuildingautomatedtestscripts,ensurethatsufficient
delaysareembeddedwherenecessarytoavoidtheseerrors.
Result codes
Resultcodesarenotshowninthecommandtablesunless
specialconditionsapply.Generallytheresultcode
OKis
returnedwhenthecommandhasbeenexecuted.
ERRORmay
bereturnedifparametersareoutofrange,andwillbe
returnedifthecommandisnotrecognizedorisnotpermitted 
inthecurrentstateorconditionofthemodem.
References
ThisguidecoversthecommandsetsusedbyOEMs,designers
andtestersoftheSierraWirelessMC87xxEmbeddedModem.
Itdoesnotdealwithoperationalusecommands.Fornormal
operationsofthemodem,consulttheUMTSModemsSupported
ATCommandReference(documentnumber2130617).
Youmayalsowanttoconsulttheotherdocumentsavailablein
theMC87xxDevelopmentKitoronourInternetsiteat
www.sierrawireless.com
Terminology and acronyms
Thisdocumentmakeswideuseofacronymsthatarein
commonuseindatacommunicationsandcellulartechnology.
OurInternetsiteprovidesaGlossaryofTermsandAcronyms
(documentnumber2130891)thatmaybehelpfulinunder‐
standingsomeacronymsandterminologyusedinthisguide.