User's Manual

WWAN Configuration
DLT-V72 Series User Manual V2.74
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Test communication between DLT-V72 and WWAN Radio card
The open source software Tera Term, for example, can be used to test that the DLT-
V72 can communicate with the Radio card.
This software can be downloaded from the following URL, for example (website available
at time of writing this operating manual, dated May 2019):
https://www.heise.de/download/product/tera-term-51776
Perform the following steps:
1. Open the AT port via Tera Term.
2. Connect to the AT port.
3. In the AT port, enter the command AT.
If the response received is OK, communication is present.
Test that GNSS data can be received
The open source software Tera Term, for example, can be used to test that GNSS data
can be received. Availability of the software: see previous section.
Perform the following steps:
1. Open the NMEA port via Tera Term.
2. Test that NMEA data are received.
3. Enabled data flows are displayed.
Example:
Fig. 11.9: QUECTEL EC25 - Test NMEA data flows