SBC comm SBC-770 manual Serial ports CN16, CN11, 100Base-Tx Ethernet connector CN17

Serial ports (CN16, CN11)

The SBC-770 offers two serial ports, one RS-232 (CN16) and one RS-232/422/485 (CN11). These ports allow you to connect them to serial devices (mouse, printers, etc.).

COM2 RS-232/422/485 serial ports (CN11)

COM2 RS-232/422/485 serial port (CN11)

PIN	SIGNAL	PIN	SIGNAL
COM2 1	DCDB	6	DSRB
	(422TXD-/485DATA-)
2	RXDB	7	RTSB
	(422TXD+/485DATA+)
3	TXDB	8	CTSB
	(422RXD+)
4	DTRB	9	RIB
	(422RXD-)
5	GND	10	N.C.

100Base-Tx Ethernet connector (CN17)

This 100Base-Tx Ethernet connector CN17 is a standard RJ-45 connector.

The onboard Realtek RTL8139B fast Ethernet controller supports 10Mb/s and 100 Mb/s N-way auto-negotiation operation.

Chapter 2 Installation 39