Com1(Cn13), Com2(Cn11) Serial Ports - Aaeon SBC-659P User Manual

SBC-659P
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 1 RS-232 (CN13)
Pin
1
3
5
7
9
COM 2 RS-232/422/485 (CN11)
Pin
1 DCD2(422TXD-/485DATA-) 2
3 TXD2(422TXD+/485DATA+) 4
5
7
9
3 2 SBC-659P Installation Guide
Signal
DCD1
TXD1
GND
RTS1
RI
Signal
GND
RTS2
RI
Pin Signal
2 RXD1
4 DTR1
6 DSR1
8 CTS1
10 N.C.
Pin
RXD2 (422RXD+)
DTR2 (422RXD-)
6 DSR2
8 CTS2
10 N.C.
BC-599/596
Signal