| 1. | The test installation eliminated wayside block signals, and trains relied solely on cab signals.
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| 2. | There are 5 cab signals, each corresponding to a speed.
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| 3. | These lamps correspond to the same cab signals in use by various northeastern railroads.
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| 4. | Cab signals are presented to the locomotive by means of a cab signal display unit.
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| 5. | There are no intermediate wayside signals between interlockings : operation is solely by cab signal.
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| 6. | Cab signals are presented to the locomotive by means of a cab signal display unit.
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| 7. | They do not convey information about traffic in the blocks ahead-the cab signal conveys block information.
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| 8. | The leading truck of the driving trailer has brackets for mounting the cab signal receiver coils.
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| 9. | Cab signals were subsequently adopted by several other U . S . railroads, especially on passenger lines.
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| 10. | Later this was amended to a simpler " stop release " button on the cab signal display.
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