User's Manual

CL865-DUAL Hardware User Guide
1vv0301104 Rev.1 – 2014-03-07
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Reserved. Page 65 of 70
Mod. 0805 2011-07 Rev.2
15. Application Design Guide
15.1. Download and Debug Port
One of the following options should be chosen in the design of host system in order to
download or upgrade the Telit’s software and debug CL865 when CL865 is already mounted
on a host system.
CASE I:
Users who use both of UART and USB interfaces to communicate with CL865
- Must implement a download method in a host system for upgrading CL865 when it’s
mounted.
CASE II:
Users who use USB interface only to communicate with CL865
- Must arrange UART port in a host system for debugging or upgrading CL865 when it’s
mounted.
CASE III:
Users who use UART interface only to communicate with CL865
- Must arrange USB port in a host system for debugging or upgrading CL865 when it’s
mounted.