COM Port Number of MOBITEK E20 Modem Will Change If USB Port is Changed

Conclusion: COM Port number will change if MOBITEK E20 4G Modem connects to different USB port.

TEST OBJECTIVE TESTING METHODOLOGY TEST RESULT
To test if the COM port number of MOBITEK E20 4G Modem will change if USB port is changed.
  1. Connect MOBITEK E20 4G Modem to all 4 USB ports in Dell-E6410.
  2. For each USB port connected, check the Device Manager to see whether the COM port is change or not.
  1. USB port right bottom -> COM19
  2. USB port right top -> COM27
  3. USB port left bottom -> COM47
  4. USB port left top -> COM43