77 lines
4.6 KiB
HTML
77 lines
4.6 KiB
HTML
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<meta name="DC.Title" content="ISDN terminal adapter restrictions" />
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<meta name="abstract" content="The terminal adapters in this topic have been evaluated. They are suggested only for the origination of ISDN remote connections from the iSeries server." />
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<title>ISDN terminal adapter restrictions</title>
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<!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script>
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<h1 class="topictitle1">ISDN terminal adapter restrictions</h1>
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<div><p>The terminal adapters in this topic have been evaluated. They are
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suggested only for the origination of ISDN remote connections from the iSeries™ server.</p>
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<div class="section"><h4 class="sectiontitle">3Com Impact IQ ISDN:</h4><p>This terminal adapter is not
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suggested for iSeries server
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for the following reasons: </p>
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<ul><li>The terminal adapter does not support V.34 analog modem connections. However,
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it may support V.34 analog modem connections by using the external RJ-11 connection.</li>
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<li>The terminal adapter does not currently support V.90 connections.</li>
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<li>The terminal adapter may not connect to iSeries server at speeds greater than
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115 200 bps.</li>
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<li>The terminal adapter does not automatically support Challenge Handshake
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Authentication Protocol (CHAP). However, setting S84=0 allows the iSeries server
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CHAP authentication to be performed.</li>
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<li>The iSeries server
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is unable to determine when the connection ends when monitoring the Data Set
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Ready signal from the terminal adapter. This results in a potential system
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security exposure.</li>
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</ul>
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</div>
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<div class="section"><h4 class="sectiontitle">Motorola BitSurfr Pro ISDN:</h4><p>This terminal adapter
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is not suggested for iSeries server for the following reasons: </p>
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<ul><li>The terminal adapter does not support V.34 analog modem connections. However,
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it may support V.34 analog modem connections by using the external RJ-11 connection.</li>
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<li>The terminal adapter does not currently support V.90 connections.</li>
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<li>The terminal adapter may not connect to iSeries server at speeds greater than
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115 200 bps.</li>
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<li>The terminal adapter does not automatically support CHAP authentication.
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However, setting @M2=C allows iSeries server CHAP authentication to
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be performed.</li>
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<li>The terminal adapter does not automatically permit answering both single-link
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and Multilink PPP calls. The remote origination terminal adapter must be set
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to the same protocol (single-link or Multilink) as the answering terminal
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adapter.</li>
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<li>The iSeries server
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hardware flow control mechanism does not work well with this terminal adapter.
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This results in degraded performance when the iSeries server is sending data on a Multilink
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PPP connection.</li>
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</ul>
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</div>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="rzaiyadapters.htm" title="ISDN provides you with a digital connection that allows you to communicate by using any combination of voice, data, and video, among other multimedia applications.">ISDN terminal adapters</a></div>
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