IEI Integration ROCKY-3786 v4.0 - Manual (Page 58)

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PIN NO. DESCRIPTION PIN NO. DESCRIPTION
1 GND 5 RX-
2 TX+ 6 RX+
3 TX- 7 GND
4 GND
Table 3-19: SATA Connector Pinouts
Figure 3-17: SATA Connector Locations
3.2.17 Serial Port Connectors
CN Label: CN2, CN8
CN Type: 10-pin headers (2x5 pins)
CN Location: See Figure 3-18
CN Pinouts: See Table 3-20
The CN2 and CN8 serial port connectors connect to RS-232 serial port devices.