Owner's manual

0-59

ROCKY-3786EV CPU Card

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.