Appendix B: Connector Pin Assignment
PS/2 Keyboard / Mouse Pin Header Connector
(ENDAT-5701: CN4; ENDAT-5901: CN6)
Pin No. PS/2 Keyboard Description
Pin No PS/2 Mouse Description
1
K/B_Data
2
Mouse_Data
3
N.C
4
N.C
5
Grounded
6
Grounded
7
+5V DC
8
Mouse_VCC
9
K/B_Clock
10
Mouse_Clock
COM1 or COM3, COM2 or COM4 for standard RS232 defined
Pin No. Description
Pin No. Description
1
DCD
6
DSR
2
RXD
7
RTS
3
TXD
8
CTS
4
DTR
9
RI
5
GND
Printer (LPT) Port
Pin No. Description
Pin No. Description
1
STB#
10
ACK#
2
PD0
11
BUSY
3
PD1
12
PE
4
PD2
13
SLCT
5
PD3
14
AFD#
6
PD4
15
ERR#
7
PD5
16
INIT#
8
PD6
17
SLIN#
9
PD7
18-25
GND