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Table 16: DB9 Connector Pin Descriptions. Refer to Figure 10
Pin Wire Description
1 not connected
2 Yellow TxD (RS-232)
3 Blue RxD (RS-232)
4 not connected
5 Green GND
6 not connected
7 White CTS
8 not connected
9 not connected
Figure 10: DB9 Close-up
CommBoard
SPI Interface to Sensor Module
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