User guide
WA_DEV_FEX20_UGD_002 Rev 004 March 08, 2011 65
Fastrack Xtend User Guide
Expansion Card
The Sierra Wireless Software Suite controls the following:
Enables/disables the internal LDOs of the Expansion Card to power-up the GPS
Enables/disables the RF block of the GPS
Enables a trigger to reset the GPS module
GPS status indicator output which is connected to an LED driver
Enables/disable the GPS antenna bias voltage at 3.3V
Figure 35. IO+GPS Expansion Card
7.4.2.1. IO+GPS Expansion Card Installation
Figure 36. Installation of IO+GPS Expansion Card on the Fastrack Xtend