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- content="Pinout and description for the SCSI External Centronics 50 (Differential) connector.">
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- content="HwB, pinout, hardware, connector, scsi, external, centronics, differential">
- <title>HwB: SCSI External Centronics 50 (Differential) Connector</title>
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- src="images/mini_Back.GIF" alt="GoTo Connector" border="0"
- width="64" height="48"></a><img src="images/menu_Connector.GIF"
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- <h1>SCSI External Centronics 50 (Differential)</h1>
-
- <p><img src="images/conn_cent50f.GIF"
- alt="50 PIN CENTRONICS FEMALE" width="294" height="73">(At the
- controller & devices)<br>
- <img src="images/conn_cent50m.GIF" alt="50 PIN CENTRONICS MALE"
- width="294" height="73">(At the cable)</p>
-
- <p>50 PIN CENTRONICS FEMALE at the controller & devices.<br>
- 50 PIN CENTRONICS MALE at the cable.</p>
-
- <table border="1">
- <tr>
- <th>Pin</th>
- <th>Name</th>
- <th>Dir</th>
- <th>Description</th>
- </tr>
- <tr>
- <td>01</td>
- <td>GND</td>
- <td><img src="images/arrow.GIF" alt="---" width="32"
- height="9"></td>
- <td>Ground</td>
- </tr>
- <tr>
- <td>02</td>
- <td>+DB0</td>
- <td><img src="images/arrowlr.GIF" alt="<->"
- width="32" height="9"></td>
- <td>+Data Bus 0</td>
- </tr>
- <tr>
- <td>03</td>
- <td>+DB1</td>
- <td><img src="images/arrowlr.GIF" alt="<->"
- width="32" height="9"></td>
- <td>+Data Bus 1</td>
- </tr>
- <tr>
- <td>04</td>
- <td>+DB2</td>
- <td><img src="images/arrowlr.GIF" alt="<->"
- width="32" height="9"></td>
- <td>+Data Bus 2</td>
- </tr>
- <tr>
- <td>05</td>
- <td>+DB3</td>
- <td><img src="images/arrowlr.GIF" alt="<->"
- width="32" height="9"></td>
- <td>+Data Bus 3</td>
- </tr>
- <tr>
- <td>06</td>
- <td>+DB4</td>
- <td><img src="images/arrowlr.GIF" alt="<->"
- width="32" height="9"></td>
- <td>+Data Bus 4</td>
- </tr>
- <tr>
- <td>07</td>
- <td>+DB5</td>
- <td><img src="images/arrowlr.GIF" alt="<->"
- width="32" height="9"></td>
- <td>+Data Bus 5</td>
- </tr>
- <tr>
- <td>08</td>
- <td>+DB6</td>
- <td><img src="images/arrowlr.GIF" alt="<->"
- width="32" height="9"></td>
- <td>+Data Bus 6</td>
- </tr>
- <tr>
- <td>09</td>
- <td>+DB7</td>
- <td><img src="images/arrowlr.GIF" alt="<->"
- width="32" height="9"></td>
- <td>+Data Bus 7</td>
- </tr>
- <tr>
- <td>10</td>
- <td>+DBP</td>
- <td><img src="images/arrowlr.GIF" alt="<->"
- width="32" height="9"></td>
- <td>+Data Bus Parity (odd Parity)</td>
- </tr>
- <tr>
- <td>11</td>
- <td>DIFFSENS</td>
- <td>?</td>
- <td>???</td>
- </tr>
- <tr>
- <td>12</td>
- <td>res</td>
- <td>-</td>
- <td>Reserved</td>
- </tr>
- <tr>
- <td>13</td>
- <td>TERMPWR</td>
- <td><img src="images/arrowlr.GIF" alt="<->"
- width="32" height="9"></td>
- <td>Termination Power</td>
- </tr>
- <tr>
- <td>14</td>
- <td>res</td>
- <td>-</td>
- <td>Reserved</td>
- </tr>
- <tr>
- <td>15</td>
- <td>+ATN</td>
- <td><img src="images/arrowl.GIF" alt="<--" width="32"
- height="9"></td>
- <td>+Attention</td>
- </tr>
- <tr>
- <td>16</td>
- <td>GND</td>
- <td><img src="images/arrow.GIF" alt="---" width="32"
- height="9"></td>
- <td>Ground</td>
- </tr>
- <tr>
- <td>17</td>
- <td>+BSY</td>
- <td><img src="images/arrowlr.GIF" alt="<->"
- width="32" height="9"></td>
- <td>+Bus is busy</td>
- </tr>
- <tr>
- <td>18</td>
- <td>+ACK</td>
- <td><img src="images/arrowl.GIF" alt="<--" width="32"
- height="9"></td>
- <td>+Acknowledge</td>
- </tr>
- <tr>
- <td>19</td>
- <td>+RST</td>
- <td><img src="images/arrowlr.GIF" alt="<->"
- width="32" height="9"></td>
- <td>+Reset</td>
- </tr>
- <tr>
- <td>20</td>
- <td>+MSG</td>
- <td><img src="images/arrowr.GIF" alt="-->" width="32"
- height="9"></td>
- <td>+Message</td>
- </tr>
- <tr>
- <td>21</td>
- <td>+SEL</td>
- <td><img src="images/arrowlr.GIF" alt="<->"
- width="32" height="9"></td>
- <td>+Select</td>
- </tr>
- <tr>
- <td>22</td>
- <td>+C/D</td>
- <td><img src="images/arrowr.GIF" alt="-->" width="32"
- height="9"></td>
- <td>+Control or Data</td>
- </tr>
- <tr>
- <td>23</td>
- <td>+REQ</td>
- <td><img src="images/arrowr.GIF" alt="-->" width="32"
- height="9"></td>
- <td>+Request</td>
- </tr>
- <tr>
- <td>24</td>
- <td>+I/O</td>
- <td><img src="images/arrowr.GIF" alt="-->" width="32"
- height="9"></td>
- <td>+In/Out</td>
- </tr>
- <tr>
- <td>25</td>
- <td>GND</td>
- <td><img src="images/arrow.GIF" alt="---" width="32"
- height="9"></td>
- <td>Ground</td>
- </tr>
- <tr>
- <td>26</td>
- <td>GND</td>
- <td><img src="images/arrow.GIF" alt="---" width="32"
- height="9"></td>
- <td>Ground</td>
- </tr>
- <tr>
- <td>27</td>
- <td>-DB0</td>
- <td><img src="images/arrowlr.GIF" alt="<->"
- width="32" height="9"></td>
- <td>-Data Bus 0</td>
- </tr>
- <tr>
- <td>28</td>
- <td>-DB1</td>
- <td><img src="images/arrowlr.GIF" alt="<->"
- width="32" height="9"></td>
- <td>-Data Bus 1</td>
- </tr>
- <tr>
- <td>29</td>
- <td>-DB2</td>
- <td><img src="images/arrowlr.GIF" alt="<->"
- width="32" height="9"></td>
- <td>-Data Bus 2</td>
- </tr>
- <tr>
- <td>30</td>
- <td>-DB3</td>
- <td><img src="images/arrowlr.GIF" alt="<->"
- width="32" height="9"></td>
- <td>-Data Bus 3</td>
- </tr>
- <tr>
- <td>31</td>
- <td>-DB4</td>
- <td><img src="images/arrowlr.GIF" alt="<->"
- width="32" height="9"></td>
- <td>-Data Bus 4</td>
- </tr>
- <tr>
- <td>32</td>
- <td>-DB5</td>
- <td><img src="images/arrowlr.GIF" alt="<->"
- width="32" height="9"></td>
- <td>-Data Bus 5</td>
- </tr>
- <tr>
- <td>33</td>
- <td>-DB6</td>
- <td><img src="images/arrowlr.GIF" alt="<->"
- width="32" height="9"></td>
- <td>-Data Bus 6</td>
- </tr>
- <tr>
- <td>34</td>
- <td>-DB7</td>
- <td><img src="images/arrowlr.GIF" alt="<->"
- width="32" height="9"></td>
- <td>-Data Bus Pariy7</td>
- </tr>
- <tr>
- <td>35</td>
- <td>-DBP</td>
- <td><img src="images/arrowlr.GIF" alt="<->"
- width="32" height="9"></td>
- <td>-Data Bus Pariy (odd Parity)</td>
- </tr>
- <tr>
- <td>36</td>
- <td>GND</td>
- <td><img src="images/arrow.GIF" alt="---" width="32"
- height="9"></td>
- <td>Ground</td>
- </tr>
- <tr>
- <td>37</td>
- <td>res</td>
- <td>-</td>
- <td>Reserved</td>
- </tr>
- <tr>
- <td>38</td>
- <td>TERMPWR</td>
- <td><img src="images/arrowlr.GIF" alt="<->"
- width="32" height="9"></td>
- <td>Termination Power</td>
- </tr>
- <tr>
- <td>39</td>
- <td>res</td>
- <td>-</td>
- <td>Reserved</td>
- </tr>
- <tr>
- <td>40</td>
- <td>-ATN</td>
- <td><img src="images/arrowl.GIF" alt="<--" width="32"
- height="9"></td>
- <td>-Attention</td>
- </tr>
- <tr>
- <td>41</td>
- <td>GND</td>
- <td><img src="images/arrow.GIF" alt="---" width="32"
- height="9"></td>
- <td>Ground</td>
- </tr>
- <tr>
- <td>42</td>
- <td>-BSY</td>
- <td><img src="images/arrowlr.GIF" alt="<->"
- width="32" height="9"></td>
- <td>-Bus is busy</td>
- </tr>
- <tr>
- <td>43</td>
- <td>-ACK</td>
- <td><img src="images/arrowl.GIF" alt="<--" width="32"
- height="9"></td>
- <td>-Acknowledge</td>
- </tr>
- <tr>
- <td>44</td>
- <td>-RST</td>
- <td><img src="images/arrowlr.GIF" alt="<->"
- width="32" height="9"></td>
- <td>-Reset</td>
- </tr>
- <tr>
- <td>45</td>
- <td>-MSG</td>
- <td><img src="images/arrowr.GIF" alt="-->" width="32"
- height="9"></td>
- <td>-Message</td>
- </tr>
- <tr>
- <td>46</td>
- <td>-SEL</td>
- <td><img src="images/arrowlr.GIF" alt="<->"
- width="32" height="9"></td>
- <td>-Select</td>
- </tr>
- <tr>
- <td>47</td>
- <td>-C/D</td>
- <td><img src="images/arrowr.GIF" alt="-->" width="32"
- height="9"></td>
- <td>-Control or Data</td>
- </tr>
- <tr>
- <td>48</td>
- <td>-REQ</td>
- <td><img src="images/arrowr.GIF" alt="-->" width="32"
- height="9"></td>
- <td>-Request</td>
- </tr>
- <tr>
- <td>49</td>
- <td>-I/O</td>
- <td><img src="images/arrowr.GIF" alt="-->" width="32"
- height="9"></td>
- <td>-In/Out</td>
- </tr>
- <tr>
- <td>50</td>
- <td>GND</td>
- <td><img src="images/arrow.GIF" alt="---" width="32"
- height="9"></td>
- <td>Ground</td>
- </tr>
- </table>
-
- <address>
- <em>Note: Direction is Device relative Bus (other Devices).</em>
- </address>
-
- <address>
- <font size="2">Contributor: </font><a
- href="mailto:qtech@mailhost.net"><font size="2">Joakim Ögren</font></a><font
- size="2">, </font><a href="mailto:Karsten.Wenke@t-online.de"><font
- size="2">Karsten Wenke</font></a>
- </address>
-
- <address>
- <font size="2">Source: ?</font>
- </address>
-
-
- <address>
- <font size="1">Please send any comments to </font><a
- href="mailto:qtech@mailhost.net"><font size="1">Joakim Ögren</font></a><font
- size="1">.</font>
- </address>
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