6
2.8 Where To Go From Here
Youshouldfamiliarizeyourselfwiththefunctions
available from the included software by reading its
manual. You will be accessing most, if not all, of the
modem'sfunctionsfromthis software.Youmayalsouse
anyothercommerciallyavailable communicationsoft-
ware with the modem. Read Section 3 only if you are
interested in accessing the modem manually, and not
throughtheincludedsoftware.Section4and5contain
reference material, and can be skipped. If you have
difficultiesgettingyourmodemtowork,readSection6
Troubleshooting,
to find answers to commonly asked
questionsandproblems.
Section Three - AT Command Set
3.1 ExecutingCommands
Commandsareacceptedbythemodemwhileitisin
CommandMode.YourmodemisautomaticallyinCommand
Mode until you dial a number and establish a connection.
CommandsmaybesenttoyourmodemfromaPCrunning
communicationsoftwareoranyotherterminaldevices.
Yourmodemiscapableofdatacommunicationatrates
of:300,1200,2400,4800,9600,14400,19200,28800,38400,
57600and115200bps.MakesureyourCOMportbaudrate
settingsinyourcommunicationssoftwareissettooneofthe
abovespeeds.
3.2 Command Structure
Allcommandssenttothemodemmustbeginwith
ATandendwithENTER.Allcommandsmaybetypedin
eitherupperorlowercase,butnotmixed.Tomakethe
commandlinemorereadable,spacesmaybeinserted
between commands. If you omit a parameter from a
command that requires one, it is just like specifying a
parameterof0.
Example:
ATH[ENTER]
Thiscommandcausesyourmodemtohangup.
