1-41
ROCKY-4786EVG CPU Card
41
3.2.3 COM Ports
CN Label: COM1, COM2
CN Type: 2x5 pin headers
CN Location: See
CN Pinouts: See Table-3-6
The ROCKY-4786EVG offers two high speed NS16C550 compatible UART’s with 16-byte
Read/Receive FIFO serial ports.
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 GND (GND)
Table-3-6: Internal COM Port Connector Pinouts
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