
Chapter 2
System Information
14
Mini-DIN Connector Pinouts for the Mouse and Keyboard
Pin Number
Signal Description
1
Data signal
2
Not used
3
Ground
4
Power (+5 V dc)
5
Clock signal
6
Not used
Serial Port Connector
5
4
3
2
1
9
8
7
6
Serial Port Connector (male) Pinouts
Pin Number
Signal Description
1
Data carrier detect
2
Receive data
3
Transmit data
4
Data term ready
5
Signal ground
6
Data set ready
7
Request to send
8
Clear to send
9
Ring indicator
Parallel Port Connector
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25