Appendix B: Connector Pin Assignment - Unicorn Electronics ENDAT-3201M User Manual

Appendix B: Connector Pin Assignment

PS/2 Keyboard / Mouse Pin Header Connector (CN7)
Pin No. Signal (KB) Pin No.
1 KB Data
3 KEY
5 GND
7 +5V(DC)
9 KB_CLK
D-SUB Type Connector for COM port (RS232)
Pin No. Description Pin No.
1 DCD
2 RXD
3 TXD
4 DTR
5 GND
Box Header Type Connector for COM port (RS232)
Pin No. Description Pin No.
1 DCD
2 RXD
3 TXD
4 DTR
5 GND
D-SUB Type Connector for COM2 port (RS-422/485)
Pin No. Description Pin No.
1 –TXD
2 +RXD
3 +TXD
4 NA
5 NA
Signal(MS)
2 MS Data
4 KEY
6 GND
8 +5V(DC)
10 MS_CLK
Description
6 DSR
7 RTS
8 CTS
9 RI
Description
6 DSR
7 RTS
8 CTS
9 RI
10 N.C
Description
6 NA
7 NA
8 NA
9 –RXD