IEI Integration ROCKY-3786 v4.0 - Manual (Page 59)

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ROCKY-3786EV CPU Card
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PIN DESCRIPTION PIN DESCRIPTION
1 DATA CARRIER DETECT (DCD) 6 DATA SET READY (DSR)
2 RECEIVE DATA (RXD) 7 REQUEST TO SEND (RTS)
3 TRANSMIT DATA (TXD) 8 CLEAR TO SEND (CTS)
4 DATA TERMINAL READY (DTR) 9 RING INDICATOR (RI)
5 GND (GND) 10 NC
Table 3-20: Serial Port Connector Pinouts
Figure 3-18 Serial Port Connector Locations
3.2.18 Internal USB 1.1 Connector
CN Label: CN6
CN Type: 8-pin header (2x4 pins)
CN Location: See Figure 3-19
CN Pinouts: See Table 3-21
One 2x4 pin connectors provide connectivity to two USB 1.1 ports. The USB port is used
for I/O bus expansion.