| Niksar Australia carries out repairs and calibration procedures to the
End-of-Train Telemetry (EOT) Systems for Pacific National (Asciano) and AURIZON.
The End-of-Train Telemetry System consists of an instrumentation and telemetry
unit (SBU/EOT)
mounted on the rear coupler and is connected to the air braking system of the last
train car. It communicates via built-in UHF radio modems with a Communications Display Unit (CDU)
or Locomotive Cab Unit (LCU) mounted in the Cabin.
The SBU/EOT, when operating in conjunction with the CDU/LCU, provides the locomotive
driver with information about the conditions at the rear of the train that are
important to the operation of the train, as:
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Brake pressure
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Status of the data link
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Car motion
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Communications link tests
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Emergency activation of the braking system, and
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Battery status of the SBU/EOT
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SYSTEM DESIGN AND INTEGRATION 
