93 lines
4.1 KiB
HTML
93 lines
4.1 KiB
HTML
<?xml version="1.0" encoding="utf-8"?>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
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"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml" lang="en-US" xml:lang="en-us">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<meta name="dc.language" scheme="rfc1766" content="en-us" />
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<!-- All rights reserved. Licensed Materials Property of IBM -->
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<!-- US Government Users Restricted Rights -->
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<!-- Use, duplication or disclosure restricted by -->
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<!-- GSA ADP Schedule Contract with IBM Corp. -->
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<meta name="dc.date" scheme="iso8601" content="2005-09-06" />
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<meta name="copyright" content="(C) Copyright IBM Corporation 1997, 2006" />
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<meta name="security" content="public" />
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<meta name="Robots" content="index,follow"/>
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<meta http-equiv="PICS-Label" content='(PICS-1.1 "http://www.icra.org/ratingsv02.html" l gen true r (cz 1 lz 1 nz 1 oz 1 vz 1) "http://www.rsac.org/ratingsv01.html" l gen true r (n 0 s 0 v 0 l 0) "http://www.classify.org/safesurf/" l gen true r (SS~~000 1))' />
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<meta name="owner" content="RCHCLERK@us.ibm.com" />
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<title>X</title>
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<link rel="stylesheet" type="text/css" href="ibmidwb.css" />
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<link rel="stylesheet" type="text/css" href="ic.css" />
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</head>
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<body>
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<a id="Top_Of_Page" name="Top_Of_Page"></a><!-- Java sync-link -->
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<script language = "Javascript" src = "../rzahg/synch.js" type="text/javascript"></script>
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<a name="x"></a>
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<h2 id="x">X</h2>
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<p>Return to <a href="as4glos.htm#as4glos">Glossary</a>.</p>
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<dl>
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<dt id="x2043423" class="bold">
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<a name="x2043423"></a>X.121</dt>
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<dd>A CCITT Recommendation that
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provides a method for the international numbering of X.25 packet-switching
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data networks.</dd>
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<dt id="x2043428" class="bold">
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<a name="x2043428"></a>X.21</dt>
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<dd>(1) See <a href="rzaatr.htm#x2036027">Recommendation
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X.21</a>.</dd>
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<dd>(2) See <a href="rzaats.htm#x2191216">specification X.21</a>.</dd>
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<dt id="x2043433" class="bold">
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<a name="x2043433"></a>X.21bis</dt>
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<dd>In data communications, an
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interim specification of the CCITT that defines the connection of data terminal
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equipment (DTE) to an X.21 (public data) network using V-series interchange
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circuits such as those defined by CCITT V.24 and CCITT V.35.</dd>
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<dt id="x2043438" class="bold">
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<a name="x2043438"></a>X.25</dt>
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<dd>A CCITT standard that defines
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an interface to packet switched communications services. A document, CCITT
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Recommendation X.25, outlines standards for the connection of processing equipment
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to a packet-switching data network. Also known as ISO 8208.</dd>
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<dt id="x2043443" class="bold">
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<a name="x2043443"></a>X.25 protocol</dt>
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<dd>The connection-mode
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network service that the CCITT specifies in Recommendation X.25.</dd>
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<dt id="x2043448" class="bold">
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<a name="x2043448"></a>X.25 protocol ID</dt>
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<dd>In OSI, a technique
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that OSI Communications Subsystem uses to pass an NSAP address when using
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the 1980 level of the X.25 protocol.</dd>
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<dt id="x2043453" class="bold">
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<a name="x2043453"></a>X.25 subnetwork</dt>
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<dd>In OSI, a subnetwork
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that conforms to the X.25 protocols.</dd>
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<dt id="x2043458" class="bold">
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<a name="x2043458"></a>X.400</dt>
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<dd>A CCITT Recommendation for
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international electronic mail (messages).</dd>
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<dt id="x2043463" class="bold">
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<a name="x2043463"></a>X.500</dt>
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<dd>The directory services standard
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of ITU, ISO, and IEC.</dd>
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<dt id="x2043468" class="bold">
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<a name="x2043468"></a>X.75</dt>
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<dd>In data communications, a specification
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that defines ways of connecting two X.25 networks.</dd>
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<dt id="x2009771" class="bold">
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<a name="x2009771"></a>XID</dt>
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<dd>See <a href="rzaate.htm#x2027196">exchange
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station ID</a>.</dd>
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<dt id="x2044054" class="bold">
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<a name="x2044054"></a>XML</dt>
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<dd>See <a href="rzaate.htm#x2027487">Extensible
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Markup Language</a>.</dd>
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<dt id="x2235611" class="bold">
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<a name="x2235611"></a>XSM</dt>
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<dd>See <a href="rzaatc.htm#x2235607">cross-site
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mirroring</a>.</dd></dl>
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<a id="Bot_Of_Page" name="Bot_Of_Page"></a>
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</body>
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</html>
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