Interface pinouts and interrupts
Serial interface
1
5
6
9
Pin
Signal
Meaning
1
DCD
Data Carrier Detect
2
RxD
Receive
Data
3
TxD
Transmit
Data
4
DTR
Data Terminal Ready
5
Signal
Ground
Ground
6
DSR
Data Set Ready
7
RTS
Request to Send
8
CTS
Clear to Send
9
Ri
Ring
Indicator
A26361-D842-Z120-6-7619
51
Interface pinouts and interrupts
PS/2 mouse port
1
4
2
3
5
6
Pin Signal
1 Mouse
data
2 not
used
3
0 V
4
+5 V
5 Mouse
clock
6 not
used
PS/2 keyboard port
The entries in parentheses are effective if the jumper X507 is inserted on 2-4 and
3-5.
1
4
2
3
5
6
Pin Meaning
1 Keyboard
data
2
not used (Mouse data)
3
0 V
4
+5 V
5 Keyboard
clock
6
not used or
power on switch
(Mouse
clock)
52
A26361-D842-Z120-6-7619