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IoT module EVK hardware user guide
3.1.6. Connectors
USB (J1)
USB is used as power supply for the XB122 and the XM122 as well as for flashing and
communicating over UART. USB is connected to the FTDI chip FT230XS which converts the UART
interface from XM122 into USB data signals. The pinout of J1 is shown in Table 2.
Pin Number
1
2
3
4
5
30 pin board-to-board connector (J3)
The 30-pin board-to-board connector is intended to connect the XM122 to the XB122. The pinout is
found in Table 3.
© 2019 by Acconeer – All rights reserved
Table 2. The pinout of J1.
Signal
VBUS
D-
D+
ID (GND)
GND
Page 16 of 37
2020-06-12
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