USR-GPRS232-DTU USR MANUAL
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Jinan USR IOT Technology Limited
8. the test is completed, the parameter settings
If you strictly follow the above eight steps for the product tested, customers can send and receive normal data (as
shown in the screenshot Step 7).
Now product testing has been completed, users can follow their own needs to set parameters for the product and
use.
If you can not get the final result as shown in Step 7, check:
A.SIM card is delinquent / Invalid data traffic.
B.SIM card is inserted, reinsert the SIM card and test.
C.serial cable is properly connected, the computer serial port driver is installed OK.
D.power supply is normal.
E.antenna is connected.