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Chapter 2 Installation 39
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.
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.