150 lines
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HTML
150 lines
8.1 KiB
HTML
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<title>Establish a physical connection to your network</title>
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<body id="rzajyestablishingaphyscontonet"><a name="rzajyestablishingaphyscontonet"><!-- --></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">Establish a physical connection to your network</h1>
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<div><p>Ensure you configure the correct line speed and duplex mode for
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your connection.</p>
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<div class="section"><p>The first step to using Ethernet for the <span class="keyword">iSeries™</span> is
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establishing a physical connection to your network. Having the correct settings
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and configurations for your server will help ensure a successful connection.
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The physical link includes using the correct cabling and configuring the correct
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line speed and duplex mode to match the capabilities of the link partner you
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are connecting to.</p>
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</div>
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<div class="section"><h4 class="sectiontitle">UTP cable specifications</h4><div class="p">The cabling
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that you use to connect to your link partner must be wired to the TIA/EIA
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568–B standard (straight through, no cross-over). There are different categories
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of UTP cables and each one supports different speeds. <ul><li>Category 3: supports 10 Mbps</li>
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<li>Category 5: supports 10/100/1000 Mbps</li>
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<li>Category 5e: supports 10/100/1000 Mbps</li>
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<li>Category 6 or higher: supports 10/100/1000 Mbps</li>
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</ul>
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<div class="note"><span class="notetitle">Note:</span> <img src="./delta.gif" alt="Start of change" /> Category 5e or higher is recommended if you are
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running Gigabit Ethernet. These cable types have tighter specifications that
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will help you achieve better quality connections.<img src="./deltaend.gif" alt="End of change" /></div>
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</div>
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</div>
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<div class="section"><p>Connecting your cables can be tedious work. The table below lists
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the pairs of wires inside the UTP cable and shows what order they are wired
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in the RJ-45 connector. It is crucial that the connector pins be in this order,
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or you will not be able to connect to your link partner. You will notice that
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the wires are different colors; some are solid colors and some are half solid
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and half white. Each half solid and half white wire is paired with the corresponding
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solid color wire, even though they might not sit adjacent to one another in
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the connector. </p>
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</div>
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<div class="section"><div class="p">The pairs of wires are: <ul><li>White/green, solid green</li>
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<li>White/orange, solid orange</li>
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<li>White/blue, solid blue</li>
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<li>White/brown, solid brown</li>
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</ul>
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</div>
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</div>
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<div class="section"><p>The pins are numbered from left to right. (Hold the connector
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latch down and point the contacts away from you, so that pin 1 (White/Green)
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is on the left.) The table below shows how the wires appear in the connector
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and what pins they are set into.</p>
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</div>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" class="singleborder" width="100%" frame="border" border="1" rules="all"><thead align="left"><tr class="tablemainheaderbar"><th valign="top" id="d0e69">Connector pin</th>
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<th valign="top" id="d0e71">Wire color</th>
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</tr>
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</thead>
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<tbody><tr><td valign="top" headers="d0e69 "><p>1<br />
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2</p>
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</td>
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<td valign="top" headers="d0e71 "><p>White/Green<br />
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Green</p>
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</td>
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</tr>
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<tr><td valign="top" headers="d0e69 "><p>3<br />
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4</p>
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</td>
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<td valign="top" headers="d0e71 "><p>White/Orange<br />
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Blue</p>
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</td>
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</tr>
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<tr><td valign="top" headers="d0e69 "><p>5<br />
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6</p>
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</td>
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<td valign="top" headers="d0e71 "><p>White/Blue<br />
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Orange</p>
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</td>
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</tr>
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<tr><td valign="top" headers="d0e69 "><p>7<br />
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8</p>
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</td>
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<td valign="top" headers="d0e71 "><p>White/Brown<br />
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Brown</p>
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</td>
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</tr>
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</tbody>
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</table>
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</div>
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<div class="section"><h4 class="sectiontitle">Line speed and duplex mode configuration</h4></div>
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<div class="section"><p> If your link partner is capable of auto-negotiation, you can
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use *AUTO for both line speed and duplex mode, to auto-negotiate. If you are
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unsure of your link partner's capabilities, find out what line speed and duplex
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mode it is set to, so you can configure your server to match. </p>
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</div>
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<div class="section"><p>For example, the hub or switch port is set to 100 Mbps and half
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duplex (not capable of auto-negotiation). In CRTLINETH, set your <span class="keyword">iSeries</span> parameters to LINESPEED = 100M,
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DUPLEX = *HALF. Do not use *AUTO for either of these parameters, in this case. </p>
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</div>
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<div class="section"><div class="p">Do not use any of the following line speed and duplex mode configurations: <ul><li>10/*AUTO</li>
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<li>100/*AUTO</li>
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<li>*AUTO/Half</li>
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<li>*AUTO/Full</li>
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</ul>
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These configurations might work, but you will have frequently unsuccessful
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and incorrect connections.</div>
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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="rzajyunderstandingethernetsupport.htm" title="Understand and use Ethernet frames, connections, and functions.">Ethernet support</a></div>
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</div>
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<div class="relconcepts"><strong>Related concepts</strong><br />
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<div><a href="rzajygigabitethernet.htm" title="The iSeries server supports Gigabit and 10 Gbps Ethernet, which requires the use of a 1 Gbps or 10 Gbps input/output adapter (IOA).">Gigabit and 10 Gigabit Ethernet</a></div>
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<div><a href="rzajylinespeeddef.htm" title="The speed of data transfer is limited by the connection type, cabling, and maximum speeds that your server and link partner support.">Line speed</a></div>
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</div>
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<div class="relref"><strong>Related reference</strong><br />
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<div><a href="rzajyestablishingaphyscontonet.htm" title="Ensure you configure the correct line speed and duplex mode for your connection.">Establish a physical connection to your network</a></div>
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<div><a href="rzajyethernetioas.htm" title="Find out what IOAs are supported and what capabilities each one has.">Hardware requirements for Ethernet</a></div>
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</div>
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</div>
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