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new hut cabling diagrams

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Philip Sargent 2023-03-26 18:53:57 +01:00 committed by Wookey
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handbook/computing/computer.html
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@ -93,7 +93,7 @@ Configuring the scanner to be used via WiFi is yet to be done, but the printer i
directly but we haven't got this configured properly yet.) Use a usb stick to transfer files for printing
if you can't get your own laptop or phone to work with the printer.
<h3>The Expo Laptops: Crowley's Friend: Aziraphale</h3>
<h3 id="network">The Expo Laptops: Crowley's Friend: Aziraphale</h3>
<p>The <i>expo laptop</i> is called "Crowley". Crowley was rather too ill to be useful during the 2022 expo (being left in the potato hut for 3 years was not a healthy experience) but is now feeling much better... apart from the WiFi which died in typical fashion just 10 minutes before a training session (a software driver update issue, but Crowley is connected to the ethernet cable so this is not vital).
<p>In 2023 we will have another general-use laptop (it was also on expo in 2019). This is not connected by any cabling and just uses WiFi. Like the <i>expo laptop</i> it is running Debian and has the same set of software installed
@ -115,10 +115,11 @@ is a dual antenna WiFi tiny black box on a small shelf high above the sink/stove
<div class="onright">
<figure>
<a href="potato-hut-network.jpg"><img src="potato-hut-network-small.jpg"></a>
<a href="../l/hut-cables.html"><img src="../t/hut-cables-small.jpg"></a>
<br><figcaption>Hut Network - click to enlarge</figcaption>
</figure>
</div>
potato-hut-network.jpg
<p>The potato hut WiFi is running DHCP and allocating IP addresses of the form 192.168.1.x where x is a number between 11 and 99 .
<p>The <em>Expo laptops</em> have a dynamic local address of this form, as does any other laptop connecting to this WiFi.

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<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>CUCC Expo Handbook: Wallet Process UML Diagrams</title>
<link rel="stylesheet" type="text/css" href="../../css/main2.css" />
</head>
<body>
<h2 id="tophead">CUCC Expo Handbook - Hut Network Cables</h2>
<h1>Hut Network Cables</h1>
<div class="centre">
<figure>
<img src="../i/hut-cables.jpg"></a>
<br><figcaption>Hut Network - Ethernet, USB and video</figcaption>
</figure>
</div>
<ul>
<li>RED - ethernet cable
<li>PURPLE - VGA video cable from laptop to free-standing LCD monitor
<li>GREEN - USB cables. NB the <a href="../i/alfa-awus036ach.jpg">ALFA Awus 036ACH</a> cable is a special one with extra power wires
</ul>
<p>There may <em>ALSO</em> be an ethernet cable between the printer and the Netgear ethernet/wifi device
<h3>Note there are FOUR (4) <em>different</em> power supply bricks</h3>
<ol>
<li>Powerbrick for Dell E4200 Crowley
<li>Powerbrick for Acer Aspire 1 tclaspire3
<li>Powerbrick for R61 Thinkpad Aziraphale
<li>Powerbrick for <a href="../i/wndr4000.jpg">Netgear WNDR4000</a> wifi/ethernet device
</ol>
<p>The Acer Aspire 1 (tclaspire3) and Dell E4200 (Crowley) each have internal, built-in wifi, but we do not use these and they are turned off (with a physical sliding-switch on the case) to reduce confusion.
<p>Aziraphale also has an ethernet socket and can be connected by ethernet cable to the network if convenient and if within-hut wifi is congested.
<p>The mains power plugs are illustrated with 2 pins for clarity, but they are all 3-pin UK-style pugs in reality.
<h2>Wiring the ethernet</h2>
<figure class="centre">
<img src="../i/wndr4000-back.jpg"></a>
<br><figcaption>The back of the Netgear WNDR4000</figcaption>
</figure>
</div>
<ul>
<li>The ethernet cable to the Asus Aspire 1 blue netbook (tclaspire3) goes into the yellow ethernet socket on its own.
<li>The cable to the expo laptop Crowley (and to Aziraphale and the printer if you want) go into any of the block of 4 ethernet sockets in a row together.
<li>We do not plug anything into the USB socket.
</ul>
<hr />
Go back to
<a href="/handbook/computing/computer.html#network">Basecamp computers</a>.
<hr></body>
</html>

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