Serge NOEL
129 lines
5.2 KiB
Plaintext
129 lines
5.2 KiB
Plaintext
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<title>B&O 1980 Signaling Definition</title>
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<h1>B&O 1980 Signaling Definition</h1>
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This directory contains signaling definitions corresponding to the Chessie System 1980 rule
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book for the B&O RR.
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<p>Chessie System's 1980 rule book listed separate signal rules sections for the three
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component road. Rules 281 through 292 applied to the C&O, B-281 through B-292 applied to
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the B&O, and W-281 through W-292 applied to the Western Maryland.</p>
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<p>The 1980 rules for the B&O lacked a slow clear indication. The slow clear indication
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had been present in the past and would be added back at some point in the following years.
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The former slow clear indication was renamed slow approach slow and allowed for maximum
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authorized speed if enough distance permitted it before approaching the next signal.</p>
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<p>There are 8 types of CPL signals included in this definition. Six mast sets and two
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dwarfs. The icons will display the necessary markers when needed eliminating the need to
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guess which ones are needed. One can create there route in the layout editor and see how the
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physical signals need to be configured before buying parts. Only the NJ International set has
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pre defined markers to match their pre-built #1214 signal.</p>
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<p>Four of the CPL masts have shortblock in their name and are to be used in locations of
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short braking distances. These signals are mapped to protect signals displaying Approach with
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Approach Medium.</p>
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<p>This signal system uses blocks and turnout speed settings for its logic irrespective of
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turnout position. For best results it is recommended you set up your layout in the layout
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editor and create the necessary blocks and assign speeds to them. Recognized speeds are
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Normal, Limited, Medium, Slow, and Restricted. The signal system will use these speeds to
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pick between the possible aspects.</p>
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<p>To use the CPL files you need to set up the signal as three heads. The top 3 markers are
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the first head, the main disk is the second head, then the lower three markers comprise the
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third head. The dwarf signal is set up the same way. The permissive CPLs need two signal
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heads. The top markers makeup the first head and the main disc make up the second head.
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Permissive CPLs will not have lower markers. The NJ International set needs two heads. The
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top center marker is green, the left upper marker is yellow, and the bottom center marker is
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red. The main disc makes up the second head.</p>
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<p>I am not an expert on the B&O semaphore signals. These definitions come straight from
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the rule books and may have been used in conjunction with CPLs. They lack a lot of the
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necessary aspects and indications to be a complete signal system on their own.</p>
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<p>See the <a href="aspects.xml">aspect page</a>.</p>
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<p>Signal Mast definitions:</p>
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<ul>
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<li>
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<a href="appearance-CPL-High.xml">Color Position Light Mast Signals</a>
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</li>
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<li>
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<a href="appearance-CPL-High-shortblock.xml">Color Position Light Mast Signals Short
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Block</a>
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</li>
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<li>
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<a href="appearance-CPL-Dwarf.xml">Color Position Light Dwarf Signals</a>
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</li>
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<li>
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<a href="appearance-CPL-Dwarf-shortblock.xml">Color Position Light Dwarf Signals Short
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Block</a>
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</li>
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<li>
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<a href="appearance-CPL-High-permissive.xml">Permissive Color Position Light Mast
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Signals</a>
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</li>
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<li>
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<a href="appearance-CPL-High-permissive-shortblock.xml">Permissive Color Position Light
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Mast Signals Short Block</a>
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</li>
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<li>
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<a href="appearance-CPL-High-NJInternational.xml">NJ International CPL Signal Item
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#1214</a>
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</li>
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<li>
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<a href="appearance-CPL-High-NJInternational-shortblock.xml">NJ International CPL Signal
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Item #1214 Short Block</a>
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</li>
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<li>
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<a href="appearance-Semaphore-3Arm.xml">Triple Arm Semaphore Mast Signals</a>
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</li>
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<li>
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<a href="appearance-Semaphore-2Arm.xml">Double Arm Semaphore Mast Signals</a>
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</li>
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<li>
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<a href="appearance-Semaphore-1Armwithmarker.xml">Single Arm Semaphore Mast Signals with
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Lower Marker</a>
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</li>
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<li>
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<a href="appearance-Semaphore-1Arm.xml">Single Arm Semaphore Mast Signals</a>
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</li>
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<li>
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<a href="appearance-Semaphore-1ArmDwarf.xml">Single Arm Semaphore Dwarf Signals</a>
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</li>
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</ul>
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