130 Configuring a modem for TM 3.0 applications553-3001-230 Standard 10.01 September 2007Troubleshooting modem connectionsThe following procedures are solutions to the most common troubles.Modem does not dialProcedure 23Verifying that the modem is properly configuredVerify that the modem is configured on the correct COM port:1 From the Start menu, select Settings > Control Panel.2 Open the Modems file and click Properties.End of ProcedureProcedure 24Testing the COM portTest the COM port to which the modem is connected by launching HyperTerminal:1 From the Start menu, select Programs > Accessories > HyperTerminal.HyperTerminal prompts for a connection name and presents the telephone numberdialog box.2 In the Connect Using drop-down list box, select Direct to COM X, where X is theCOM port to which the modem is connected.3 When in the terminal, type the command AT.The modem responds with OK.If the modem does not respond, the wrong COM port may be being used.End of ProcedureTo verify that the correct COM port is being used:Procedure 25Verifying the COM port1 In the File/Properties menu, select Direct to COM Y, where Y is a different COMport.2 When the correct COM port has been located, go back to TM 3.0 Navigator and bringup the properties for the system to which you are trying to connect.3 Click Communication tab, and then choose PPP or Serial from the communicationprofile list.