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+<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
+<html>
+
+<head>
+<meta http-equiv="Content-Type"
+content="text/html; charset=iso-8859-1">
+<meta name="Author" content>
+<meta name="GENERATOR" content="Microsoft FrontPage 2.0">
+<title>Serial Channel</title>
+</head>
+
+<body bgcolor="#C0C0C0" text="#000000" link="#0000EE"
+vlink="#551A8B" alink="#FF0000">
+
+<h3>Serial Channel</h3>
+
+<p><b>Usage</b></p>
+
+<p><tt>dp_connect serial -device </tt><em><tt>serDev</tt></em><tt>
+-block </tt><em><tt>bBlock</tt></em><tt> -readonly </tt><em><tt>bRead</tt></em></p>
+
+<p><b>Comments</b></p>
+
+<p><i>serDev</i> is the Tcl-DP&nbsp;name of the given serial
+port. In order to make Tcl-DP&nbsp;scripts as portable as
+possible, DP&nbsp;names the serial ports &quot;serial1&quot;,
+&quot;serial2&quot;, &quot;serial3&quot;, etc. The DP&nbsp;name
+is then translated internally to the OS&nbsp;specific name (COM1,
+/dev/ttyb, etc).</p>
+
+<ul>
+    <li><i>bBlock</i><b><i> </i></b>is a boolean that determines
+        whether the serial port will block while waiting for
+        input. The default is true.</li>
+    <li><i>bRead</i> is a boolean that determines whether the
+        serial port will be opened with readonly access. Often,
+        UNIX&nbsp;serial ports are writable only by the
+        superuser. If this is the case, using this flag will at
+        least allow one to possibly read from the serial port.
+        The default is false.</li>
+</ul>
+
+<p>Options like baudrate, parity and character size can be set
+using fconfigure after the channel is opened.</p>
+
+<p><b>Examples</b></p>
+
+<dl>
+    <dt><tt>dp_connect serial -device serial2</tt></dt>
+    <dt><tt>dp_connect serial -device serial1 -readonly true</tt></dt>
+</dl>
+</body>
+</html>
+