Connect Tech Xtreme/SBC PCIe/104 Single Board Computer and PCIe/104 Qseven Carrier Board - User Manual
Revision 0.02
18
Function
RS232 x2
Locations
P9
Type
2x10 2mm header
Pinout
Pin
Signal
Pin
Signal
1
DCD1
2
DSR1
3
RXD1
4
RTS1
5
TXD1
6
CTS1
7
DTR1
8
RI1
9
GND
10
N/C
11
DCD2
12
DSR2
13
RXD2
14
RTS2
15
TXD2
16
CTS2
17
DTR2
18
RI2
19
GND
20
N/C
Function
RS485 x2
Locations
P11
Type
2x10 2mm header
Pinout
Pin
Signal
Pin
Signal
1
RXD0+
2
N/C
3
TXD0+
4
N/C
5
TXD0-
6
N/C
7
RXD0-
8
N/C
9
GND
10
N/C
11
RXD1+
12
N/C
13
TXD1+
14
N/C
15
TXD1-
16
N/C
17
TXD1-
18
N/C
19
GND
20
N/C