15
Appendix
Pin Assignments
Board Side Pin Assignments
Wire to Board Connector (CN15)
Pin Description
Pin
Description
1
DCD_1
2
DCD_2
3
DSR_1
4
DSR_2
5
RXD_1
6
RXD_2
7
RTS_1
8
RTS_2
9
TXD_1
10
TXD_2
11
CTS_1
12
CTS_2
13
DTR_1
14
DTR_2
15
RI_1
16
RI_2
17
N/C
18
N/C
19
GND
20
GND
Wire to Board Connector (CN13)
Pin Description
Pin
Description
1
DCD_3
2
DCD_4
3
DSR_3
4
DSR_4
5
RXD_3
6
RXD_4
7
RTS_3
8
RTS_4
9
TXD_3
10
TXD_4
11
CTS_3
12
CTS_4
13
DTR_3
14
DTR_4
15
RI_3
16
RI_4
17
N/C
18
N/C
19
GND
20
GND
