page_title: End-of-train device
hierarchical_section_title: End-of-train device
caption_attribution_description: English: A FRED on an eastbound container train passing through Rochelle Railroad Park, Rochelle, on May 29, 2005. Photo by Sean Lamb (User:Slambo) This is a cropped version of :Image:FRED on a stack train.jpg = [1]
context_page_description: The end of train device, sometimes referred to as an EOT, flashing rear-end device or sense and braking unit is an electronic device mounted on the end of freight trains in lieu of a caboose. They are divided into three categories: "dumb" units, which only provide a visible indication of the rear of the train with a flashing red taillight; "average intelligence" units with a brake pipe pressure gauge; and "smart" units, which send back data to the crew in the locomotive via radio-based telemetry. They originated in North America, and are also used elsewhere in the world, where they may include complete End of Train Air System or Sense and Brake Unit devices.
context_section_description: The end of train device (ETD), sometimes referred to as an EOT, flashing rear-end device (FRED) or sense and braking unit (SBU) is an electronic device mounted on the end of freight trains in lieu of a caboose. They are divided into three categories: "dumb" units, which only provide a visible indication of the rear of the train with a flashing red taillight; "average intelligence" units with a brake pipe pressure gauge; and "smart" units, which send back data to the crew in the locomotive via radio-based telemetry. They originated in North America, and are also used elsewhere in the world, where they may include complete End of Train Air System (ETAS) or Sense and Brake Unit (SBU) devices.
caption: An ETD on a container train in 2005
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