Advantech ARK-1388V User Manual page 90

5. Set the COM6 properties as below.
6. Execute the commands below in hyper terminal to check the status.
! AT: (connect testing)
! OK: (auto answer)
! AT+CPIN=0000 (Key in SIM card PIN code, ex 0000)
! OK (auto answer, if any wrong, it will show "ERRIR)
ARK-1388V User Manual 80