Air Brakes and Train Handling Rules - Alaska Railroad
Air Brakes and Train Handling Rules - Alaska Railroad
Air Brakes and Train Handling Rules - Alaska Railroad
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
68.3.3 LCU Code Selection/Input68 EOT Telemetry DevicesThe EOT telemetry device operates effectively if the EOT <strong>and</strong> LCUare communicating. To achieve a communication link, set the correctID codes.A. Controlling LocomotiveTo make sure the LCU communicates with the correct EOT, set theLCU ID code thumbwheel switches to match the ID code of theselected EOT. As a result:• The LCU will accept messages only from the selected EOT.• When the LCU transmits messages to the EOT, only the selectedEOT will respond.To ensure that the ID code thumbwheel switches are functioning,press the DISPLAY TEST <strong>and</strong> DISTANCE COUNTER buttons atthe same time. Verify:1. The current settings of the thumbwheel switches appear in thedistance counter <strong>and</strong> pressure display windows as follows:a. The first two digits appear on the distance counter display.b. The last three digits appear on the pressure display.2. At the same time, THW CODE appears in the message displaywindow.If the displayed ID code matches the settings of the ID codethumbwheel switches, the ID code thumbwheel switches are working.B. Trailing LocomotiveWhen a locomotive is used in trailing service, set its LCU ID codethumbwheel switches to 00000. As a result, the LCU will not be ableto transmit or receive radio signals. Only the odometer function willoperate.June 1, 1996 ARRC <strong>Air</strong> <strong>Brakes</strong> <strong>and</strong> <strong>Train</strong> H<strong>and</strong>ling Manual 68-11
Change language