SCSI 是 Small Computer System Interface 的缩写，外置式 25 针接口为扫描仪等低速设备使用，接口外观为母插座：
连接电缆插头为 25 针公插头：
引脚定义
PIN
Name
Dir
Description
1
GND
Ground
2
DB1
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Data Bus 1
3
DB3
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Data Bus 3
4
DB5
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Data Bus 5
5
DB7
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Data Bus 7
6
GND
Ground
7
/SEL
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Select
8
GND
Ground
9
TMPWR
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Termination Power
10
/RST
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Reset
11
C/D
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Control/Data
12
I/O
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Input/Output
13
GND
Ground
14
DB0
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Data Bus 0
15
DB2
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Data Bus 2
16
DB4
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Data Bus 4
17
DB6
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Data Bus 6
18
PARITY
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Data Parity
19
GND
Ground
20
/ATN
Attention
21
/MSG
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本文关键字：接口 各类接口资料，电子知识资料 - 各类接口资料
