Telit Wireless Solutions CE910-DC, Hardware User'S Manual, Page: 62 / 67

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 CE910 when CE910 is already mounted on a host system.
CASE I:
Users who use both of UART and USB interfaces to communicate with
CE910
-
Must implement a download method in a host system for upgrading CE910 when it’s mounted.
CASE II:
Users who use USB interface only to communicate with
CE910
- Must arrange UART port in a host system for debugging or upgrading CE910 when it’s mounted.
CASE III:
Users who use UART interface only to communicate with
CE910
-
Must arrange USB port in a host system for debugging or upgrading CE910 when it’s mounted.