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COM: Serial Port Connector
The motherboard has a serial port header for connecting RS-232 Port.
PRINT: Printer Port Connector
This header allows you to connector printer on the PC.
14 | Chapter 2: Hardware installation
Pin
Assignment
1
Carrier detect
2
Received data
3
Transmitted data
4
Data terminal ready
5
Signal ground
6
Data set ready
7
Request to send
8
Clear to send
9
Ring indicator
10
Key
Pin
Assignment
Pin Assignment
1
-Strobe
14 Ground
2
-ALF
15 Data 6
3
Data 0
16 Ground
4
-Error
17 Data 7
5
Data 1
18 Ground
6
-Init
19 -ACK
7
Data 2
20 Ground
8
-Scltin
21 Busy
9
Data 3
22 Ground
10
Ground
23 PE
11
Data 4
24 Ground
12
Ground
25 SCLT
13
Data 5
26 Key
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