Rope M558 - Call Response Troubleshooting; SMS Command Response Troubleshooting

ROPE INNOVATION CO., LTD. CONFIDENTIAL NO.：ROPE-15121802
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1) Call the device to see what happens.
It rings: go to the next step.
It not rings:
a) check whether the SIM card installed correctly or not. Check whether the connection of power-line is
correction or not . (Details: If the users are testing the device in office or at home, M558 has to connect with
12V DC external power supply. If it is tested in the car, make sure the installer connect all the cable
correctly.)
b) Check the LEDs’ status. In normal working status, the LED on the main board will light up.
c) Check whether the vehicle is in no GSM area, such as basement;
2) Check whether the device reply after sending SMS command.
It replied:
a) Check whether the APN is correct or not,
b) Whether the port is correct or not,
c) check whether the SIM card support GPRS.
It not replied: check the SMS command format, make ensure it is correction.