Index: book.xml.withusb
===================================================================
--- book.xml.withusb
+++ book.xml.withusb
@@ -6328,6 +6328,47 @@
 	    always have a modem attached to the
 	    port.</para>
 
+	  <para>If you are using USB to UART converter cables, 
+	    then it will show up as a different device. An easy way to
+	    find out what it will show up in &man.dmesg.8; is to run 
+	    &man.dmesg.8; without having your device connected, then  
+	    running &man.dmesg.8; again to see what your device is
+	    listed as: </para>
+
+	  <screen>&prompt.user;<userinput> dmesg | tail -5</userinput>
+ums0: 3 buttons and [XYZ] coordinates ID=0
+ugen1.5: &lt;Logitech USB Keyboard&gt; at usbus1
+ukbd0 on uhub3
+ukbd0: &lt;USB Keyboard&gt; on usbus1
+kbd2 at ukbd0
+&prompt.user;<userinput>dmesg | tail -5</userinput>
+ukbd0: &lt;USB Keyboard&gt; on usbus1
+kbd2 at ukbd0
+ugen1.4: &lt;Silicon Labs CP2102 USB to UART Bridge Controller&gt;at usbus1
+uslcom0 on uhub3
+uslcom0: &lt;CP2102 USB to UART Bridge Controller&gt; on usbus1</screen>
+
+	  <para>In the commands above, the first &man.dmesg.8; 
+	    happened before the device was connected. Then we  
+	    connected the usb and the second &man.dmesg.8; was used
+	    to show the device detected. The <command> | tail -5 </command>
+	    pipe was used to do limit the output to 5 lines. This is
+	    only a way to ensure that our device is detected, but it 
+	    will not show up in <filename>/dev/</filename> as 
+	    <filename>uslcom0.</filename> USB to UART devices usually 
+	    show up as <filename>ttyUX</filename> where X is the 
+	    number of device.</para>
+
+	  <para>To establish a connection through USB to UART, use the
+	    <command>cu</command> command. For example if the 
+	    device is shown up in <filename>/dev/ttyU0</filename>:</para>
+
+	  <screen>&prompt.user;<userinput>cu -l /dev/ttyU0 -s [speed]</userinput></screen>
+
+	  <para>Where <command>speed</command> is the baud-rate of 
+	    your device which you can find on your device's website. 
+	    For BeagleBone Black, as an example, this is 115,200.</para>
+
 	  <para>The <filename>GENERIC</filename> kernel includes
 	    support for two serial ports using the same IRQ and port
 	    address settings in the above example.  If these settings