Trouble Shooting; Fig. 11.12: Quectel Em05/Em06 - Quectel Em05/Em06 - Virtual Com-Ports - Advantech DLT-V73 Series User Manual

11.4.3. Trouble Shooting

Test virtual COM ports
In the device manager it is possible to test that the virtual COM ports are correctly set.
If they are not correctly set, they must be modified as appropriate.
The virtual COM ports must be set up as shown in the figure:

Fig. 11.12: QUECTEL EM05/EM06 - QUECTEL EM05/EM06 - virtual COM-Ports

Description
Quectel USB AT Port
Quectel USB DM Port
Quectel USB NMEA
Port
DLT-V73 Series User Manual V1.00
Used to set and read out the module configuration and
connection data using AT commands. Herewith e.g. the GNSS
function can be switched on or off for the transmission of
NMEA data
Special diagnostic port. This can be used, for example, to
update the module firmware with the aid of a Quectel Utilite.
Port for receiving GNSS position data (NMEA). Further notes
on reading out are described in more detail in the next
paragraph.
WWAN Configuration
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