
WA_DEV_FEX20_UGD_002 Rev 004 March 08, 2011 64
Fastrack Xtend User Guide
7.4.1.5. Extra Current Consumption from the DC-IN Source
Depending on various DC-IN voltages of the Fastrack Xtend, the extra current consumption drawn by
the Ethernet Expansion Card will also vary.
Table 48. Extra Current Consumption from DC-IN Source (Typical)
Extra Current Consumption for Additional
Feature (mA)
7.4.2. IO+GPS
The IO+GPS Expansion Card is interfaced with the Fastrack Xtend motherboard through the 50-pin
connector. All DC supplies are applied through this connector so no external supply is necessary.
With the Sierra Wireless Software Suite running, the Fastrack Xtend motherboard communicates with
the IO+GPS Expansion Card on UART2. The GPS module communicates on UART2 using the
following configuration:
Baud rate: 57600 bps
Character framing: 8 Data bits
Parity: 1 Stop bit and Odd Parity
Flow Control: No Flow Control
Figure 34. IO+GPS Expansion Card Architecture
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