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SBC-659P
32 SBC-659P Installation GuideBC-599/596
COM 1 RS-232 (CN13)
Pin Signal Pin Signal
1 DCD1 2 RXD1
3 TXD1 4 DTR1
5 GND 6 DSR1
7 RTS1 8 CTS1
9 RI 10 N.C.
COM 1 (CN 13) & COM 2 (CN 11) Serial Ports
On board offer two serial ports for serial devices connection. Pin
definitions show as below.
COM 2 RS-232/422/485 (CN11)
Pin Signal Pin Signal
1 DCD2(422TXD-/485DATA-) 2 RXD2 (422RXD+)
3 TXD2(422TXD+/485DATA+) 4 DTR2 (422RXD-)
5 GND 6 DSR2
7 RTS2 8 CTS2
9 RI 10 N.C.