I2C - Sierra Wireless AirPrime XS1110 User Manual

Interfaces
Figure 3-4: No Jumper on SYSTEM0 for UART Transmission
To set transmission selection to I2C, short SYSTEM0 with a jumper. SYSTEM0
pins will then enter pull low status. The Development Kit must then be re-powered
(by unplugging then replugging the power supply), after which the NRESET
button must be pressed to reboot the module to change transmission selection
from UART to I2C.
Figure 3-5: Jumper Across SYSTEM0 for I2C Transmission

I2C

Connectivity to peripheral devices are available through the I2C interface.
Figure 3-6: I2C Header
Rev 2.0 Apr.20 9 41113415