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This device is said to constitute a fail-safe condition. The DPS ETD reduced labor costs, as well as the costs of the purchase and upkeep of cabooses. The Brotherhood of Conductors and Brotherhood of Railroad Brakemen were also greatly affected by ETD, as this electronic unit replaced two crewmen per train. The widespread use of ETDs has made ...
Automatic equipment identification (AEI) is an electronic recognition system in use with the North American railroad industry. Consisting of passive tags mounted on each side of rolling stock and active trackside readers, AEI uses RF technology to identify railroad equipment while en route.
On the left, the main IR sensor (100 km range), on the right a TV/IR identification sensor with laser rangefinder (40 km range) An electro-optical targeting system (EOTS), is a system employed to track and locate targets in aerial warfare. [1] It can use charge-coupled device TV cameras, laser rangefinders and laser designators.
Railroads proposed the end-of-train device (EOT or ETD), commonly called a FRED (flashing rear-end device), as an alternative. [12] An ETD could be attached to the rear of the train to detect the train's air brake pressure and report any problems to the locomotive by telemetry. [12]
Juridical Recording (orange) Blackbox as part of an ETCS equipment Indusi I60 ER24 control device with the DSK recorder inside. A train event recorder – also called On-Train Monitoring Recorder (OTMR), On-Train Data Recorder (OTDR), Event Recorder System (ERS), Event Recorder Unit (ERU), or Juridical Recording Unit (JRU) – is a device that records data about the operation of train controls ...
The Signal ID is WFP (Whisky Foxtrot Papa) 34 R with a Triangle (Delta) Plate to show that it is not a stop signal. This is only to show what a Fixed distant board looks like. Points at the entrance to a crossing loop are spring-loaded for the correct track for facing movements, and are pushed across by the wheels for trailing movements; they ...
A defect detector is a device used on railroads to detect axle and signal problems in passing trains. The detectors are normally integrated into the tracks and often include sensors to detect several different kinds of problems that could occur.
This sends an electrical signal to the EOT placed in the engine room whose pointer acquires a position according to the signal given from the bridge. An audible alarm sounds at both ends. Accordingly, the watch-keeping engineer acknowledges the order by moving the handle of the engine room EOT to the required position and takes necessary action.