Neo_M660 AT Command SetCopyright © Neoway Technology Co., Ltd 105A.8 Flowchart of AT Commands To Log In to the FTP ServerFigure A-6 Flowchart of AT commands to log in to the FTP serverStart the moduleStartup codeAT\rAT+CCID\rAT+CSQ\rAT+CREG?\rAT+CGDCONT=1, "IP", "CMNET" \rAT+XIIC=1\rAT+XIIC?\r3. Check whether AT commands areavailable.1. Power on the module.2. ...+EIND: 1 indicates that the moduleis ready.4. Read the ICCID of the SIM card.If the module returns ERROR, checkwhether the SIM card is inserted orthe card socket works properly.5. Query the signal quallity.6. Query the network registrationstatus.If the module returns +CREG: 0,1 or+CREG: 0,5, the SIM card registersthe network successfully.7. CMNET is the APN of ChinaMobile. APN varies with carriers.8. Set up a PPP link.9. Return value:+XIIC: 1,10.232.165.29 indicatesthe module sets up a PPP linksuccessfully.The module IP is 10.232.165.29.+XIIC: 0,0.0.0.0 indicates the PPPlink is not set up.OKERRORERRORCCIDThere is signalNo signalRegistered the networkNot registeredOKERROROKERRORValid IPFailed to obtain theIP addressThe PPP link isset upsuccessfully
