new hut cabling diagrams

handbook/computing/computer.html

@@ -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.