Serge NOEL
86 lines
3.9 KiB
Plaintext
86 lines
3.9 KiB
Plaintext
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<title>JMRI Hardware Support - Multiple Computers to LocoNet® via LbServer</title>
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<meta name="author" content="Bob Jacobsen">
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"Digitrax Chief DCS Command Station LocoNet Server LocoBuffer java model railroad JMRI install windows">
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<h1>Hardware Support: Connecting Multiple Computers to LocoNet® via LbServer</h1>
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<p>This page describes how to configure multiple JMRI nodes to connect as clients to a single
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<a href="https://loconetovertcp.sourceforge.net/">LocoNetOverTCP LbServer</a>, which in turn is
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connected to the layout.</p>
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<p>This connection, called LocoNetOverTCP, uses a separate non-Java server process, LbServer,
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that communicates using plain ASCII String messages over TCP/IP sockets, allowing non-Java
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nodes to also share the one LocoBuffer.</p>
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<h2>Setup for JMRI LocoNetOverTCP</h2>
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One computer runs the LbServer program that connects to the LocoBuffer and acts as a Server
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to all the JMRI Client computers. Configure the JMRI Client computers to connect to the
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LbServer as follows:
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<ul>
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<li>Make sure the LbServer is configured and running. See LbServer documentations for
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details.</li>
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<li>Open the JMRI program on the Client</li>
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<li>Open the preferences from the Edit menu</li>
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<li>For layout connection, select "LocoNetOverTCP LbServer"</li>
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<li>In the "Server hostname" box that appears, type the Internet name or address of the
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computer that's running the LbServer. An internet address is something like 127.0.1.12; a
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name is something like jmri.org</li>
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<li>In the "TCP Port Number" box enter the port number that LbServer is using, which by
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default is 1234.</li>
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<li>Save the preferences and restart the program.</li>
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</ul>
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<h2>Notes:</h2>
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<ul>
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<li>It's strongly recommended that you connect the master computer to the LocoNet® with a
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LocoBuffer or LocoBuffer-II. Although a MS-100 will basically work for this application,
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correction of the resulting occasional LocoNet errors may cause noticeable delays in
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updating the remote computers.</li>
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<li>If the computers are all close to the LocoNet, e.g. acting as local control panels, you
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don't really need LocoNet Server to do this. You can instead connect each of the computers
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to the LocoNet via their own LocoBuffer or LocoBuffer-II (or MS-100, though this is not
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recommended) and have them individually take part in the LocoNet communications. This
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doesn't cause any additional communications load. It does cost a little more for the extra
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adapters, and doesn't permit you to put a computer remote from the layout.</li>
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<li>The computer running LbServer can also run JMRI software, in this case the Client and
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Server just happen to be on the same node.</li>
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<li>Some firewall software will detect LbServer's use of port 1234 as a trojan and will
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want to block access to the port. To get around this you will either have to enable access
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in your firewall software or change the port to another number like 9999 say. The new port
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number will also need to be passed into LbServer as a command line option.</li>
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</ul>
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<p>LocoNet® is a registered trademark of <a href="https://www.digitrax.com/">Digitrax,
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Inc.</a></p>
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