58 lines
3.7 KiB
HTML
58 lines
3.7 KiB
HTML
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<meta name="DC.Type" content="concept" />
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<meta name="DC.Title" content="Dial mode (SNA)" />
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<meta name="abstract" content="You use dial mode (that is used by Systems Network Architecture (SNA) controller descriptions) to send a connection request to a remote device." />
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<title>Dial mode (SNA)</title>
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<body id="dial_mode"><a name="dial_mode"><!-- --></a>
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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">Dial mode (SNA)</h1>
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<div><p>You use dial mode (that is used by Systems Network Architecture
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(SNA) controller descriptions) to send a connection request to a remote device.</p>
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<p>Dial mode starts when you vary on the controller
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description. During the dialing process, the system polls the remote device
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to determine if the device is ready to transmit. If the remote device is ready,
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the connection process continues. Successful connection is still possible
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even if the local and remote devices dial each other simultaneously.</p>
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<p>These controller description fields control the frequency and duration
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of the polling:</p>
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<ul><li>LAN connection retry (<a href="rzajylancnntmrandlancnnrty.htm#lancnntmr_and_lancnnrty">LANCNNRTY</a>)
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determines the number of times your system polls the remote device.</li>
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<li>LAN connection timer (<a href="rzajylancnntmrandlancnnrty.htm#lancnntmr_and_lancnnrty">LANCNNTMR</a>)
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determines the length of time between each poll.</li>
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</ul>
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<p>If the remote device answers the poll within the time that these parameters
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specify, your system proceeds with establishing the connection. If not, your
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system sends an inquiry message (CPA58E0 or CPA57EF) to the system operator
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message queue. This message indicates that a connection attempt failed and
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that the controller description is now in <a href="rzajuanswermode.htm#answer_mode">answer
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mode</a>.</p>
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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="rzajuunderstandingwhentoconnect.htm" title="In a Systems Network Architecture (SNA) environment you can determine who initiates the connection request and who waits for an incoming connection request.">Which LAN device initiates the connection</a></div>
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