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There were six control boxes and one distributor that formed the Rokal control system. These controls snapped onto the 0051 Speed regulator.
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01654
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On/Off control, with red handle
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01656
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Color Light Signal control, with green handle
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01658
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Reverse Loop control, with white handle
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01659
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Track Switch control, with blue handle
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01660
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Semaphore Signal control, with yellow handle
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01674
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Light control, with brown handle
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01663
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Power Distributor
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The backs of the controllers were color-coded for ease of connecting the various wires from the railroad.
Internal Schematics of the Switches
Late in production (in 1969), Rokal changed the controller design and reduced the number of controllers.
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501681
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Controller for track switches, with yellow handle
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501682
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Controller for signals, with red handle
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501683
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Controller, On / Off, with green handle
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The rear of the controller was also simplified, with screw terminals replacing the earlier plug system.
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