本站为您提供的外置SCSI接口引脚定义(单端信号方式)，外置SCSI接口引脚定义(单端信号方式)
SCSI 是 Small Computer System Interface 的缩写，外置式 50 针接口的外观为母插座：
外置SCSI接口引脚界说(单端信号方法)
SCSI 是 Small Computer System Interface 的缩写，外置式 50 针接口的外观为母插座：
衔接电缆插头为 50 针公插头：
Pin |
Name |
Dir |
DescripTIon |
|
1-25 |
GND |
|
Ground |
|
26 |
DB0 |
![<->” src=”mhtml:http://www.pp51.com/za/300/data/SCSI(danc).mht!http://www.hj-tech.com/file/sup/io/pcnio/gif/arrowlr.gif” width=32 border=0></font></P></td>
<td bgColor=#c8c8ff>
<P><font color=blue>Data Bus 0</font></P></td>
</tr>
<tr>
<td bgColor=#c8c8ff>
<P><font color=blue>27</font></P></td>
<td bgColor=#c8c8ff>
<P><font color=blue>DB1</font></P></td>
<td bgColor=#c8c8ff>
<P><font color=blue><img height=9 alt=]() ” src=”mhtml:http://www.pp51.com/za/300/data/SCSI(danc).mht!http://www.hj-tech.com/file/sup/io/pcnio/gif/arrowlr.gif” width=32 border=0>
|
Data Bus 1 |
|
28 |
DB2 |
![<->” src=”mhtml:http://www.pp51.com/za/300/data/SCSI(danc).mht!http://www.hj-tech.com/file/sup/io/pcnio/gif/arrowlr.gif” width=32 border=0></font></P></td>
<td bgColor=#c8c8ff>
<P><font color=blue>Data Bus 2</font></P></td>
</tr>
<tr>
<td bgColor=#c8c8ff>
<P><font color=blue>29</font></P></td>
<td bgColor=#c8c8ff>
<P><font color=blue>DB3</font></P></td>
<td bgColor=#c8c8ff>
<P><font color=blue><img height=9 alt=]() ” src=”mhtml:http://www.pp51.com/za/300/data/SCSI(danc).mht!http://www.hj-tech.com/file/sup/io/pcnio/gif/arrowlr.gif” width=32 border=0>
|
Data Bus 3 |
|
30 |
DB4 |
![<->” src=”mhtml:http://www.pp51.com/za/300/data/SCSI(danc).mht!http://www.hj-tech.com/file/sup/io/pcnio/gif/arrowlr.gif” width=32 border=0></font></P></td>
<td bgColor=#c8c8ff>
<P><font color=blue>Data Bus 4</font></P></td>
</tr>
<tr>
<td bgColor=#c8c8ff>
<P><font color=blue>31</font></P></td>
<td bgColor=#c8c8ff>
<P><font color=blue>DB5</font></P></td>
<td bgColor=#c8c8ff>
<P><font color=blue><img height=9 alt=]() ” src=”mhtml:http://www.pp51.com/za/300/data/SCSI(danc).mht!http://www.hj-tech.com/file/sup/io/pcnio/gif/arrowlr.gif” width=32 border=0>
|
Data Bus 5 |
|
32 |
DB6 |
![<->” src=”mhtml:http://www.pp51.com/za/300/data/SCSI(danc).mht!http://www.hj-tech.com/file/sup/io/pcnio/gif/arrowlr.gif” width=32 border=0></font></P></td>
<td bgColor=#c8c8ff>
<P><font color=blue>Data Bus 6</font></P></td>
</tr>
<tr>
<td bgColor=#c8c8ff>
<P><font color=blue>33</font></P></td>
<td bgColor=#c8c8ff>
<P><font color=blue>DB7</font></P></td>
<td bgColor=#c8c8ff>
<P><font color=blue><img height=9 alt=]() ” src=”mhtml:http://www.pp51.com/za/300/data/SCSI(danc).mht!http://www.hj-tech.com/file/sup/io/pcnio/gif/arrowlr.gif” width=32 border=0>
|
Data Bus 7 |
|
34 |
PARITY |
|
Ground |
|
36 |
GND |
|
Ground |
|
37 |
GND |
|
Ground |
|
38 |
TMPWR |
|
Ground |
|
40 |
GND |
|
Ground |
|
41 |
/ATN |
|
AttenTIon |
|
42 |
n/c |
– |
Not connected |
|
43 |
/BSY |
|
Acknowledge |
|
45 |
/RST |
![<->” src=”mhtml:http://www.pp51.com/za/300/data/SCSI(danc).mht!http://www.hj-tech.com/file/sup/io/pcnio/gif/arrowlr.gif” width=32 border=0></font></P></td>
<td bgColor=#c8c8ff>
<P><font color=blue>Reset</font></P></td>
</tr>
<tr>
<td bgColor=#c8c8ff>
<P><font color=blue>46</font></P></td>
<td bgColor=#c8c8ff>
<P><font color=blue>/MSG</font></P></td>
<td bgColor=#c8c8ff>
<P><font color=blue><img height=9 alt=]() ” src=”mhtml:http://www.pp51.com/za/300/data/SCSI(danc).mht!http://www.hj-tech.com/file/sup/io/pcnio/gif/arrowr.gif” width=32 border=0>
|
Message |
|
47 |
/SEL |
![<->” src=”mhtml:http://www.pp51.com/za/300/data/SCSI(danc).mht!http://www.hj-tech.com/file/sup/io/pcnio/gif/arrowlr.gif” width=32 border=0></font></P></td>
<td bgColor=#c8c8ff>
<P><font color=blue>Select</font></P></td>
</tr>
<tr>
<td bgColor=#c8c8ff>
<P><font color=blue>48</font></P></td>
<td bgColor=#c8c8ff>
<P><font color=blue>/C/D</font></P></td>
<td bgColor=#c8c8ff>
<P><font color=blue><img height=9 alt=]() ” src=”mhtml:http://www.pp51.com/za/300/data/SCSI(danc).mht!http://www.hj-tech.com/file/sup/io/pcnio/gif/arrowr.gif” width=32 border=0>
|
Control/Data |
|
49 |
/REQ |
![-->” src=”mhtml:http://www.pp51.com/za/300/data/SCSI(danc).mht!http://www.hj-tech.com/file/sup/io/pcnio/gif/arrowr.gif” width=32 border=0></font></P></td>
<td bgColor=#c8c8ff>
<P><font color=blue>Request</font></P></td>
</tr>
<tr>
<td bgColor=#c8c8ff>
<P><font color=blue>50</font></P></td>
<td bgColor=#c8c8ff>
<P><font color=blue>/I/O</font></P></td>
<td bgColor=#c8c8ff>
<P><font color=blue><img height=9 alt=]() ” src=”mhtml:http://www.pp51.com/za/300/data/SCSI(danc).mht!http://www.hj-tech.com/file/sup/io/pcnio/gif/arrowr.gif” width=32 border=0>
|
Input/Output |
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