Air Brakes and Train Handling Rules - Alaska Railroad

68 EOT Telemetry Devices3. If the EOT does not respond to this request, the LCU sends afinal transmission 15 seconds later.4. If the EOT does not respond to this final transmission, an FRNOCOM alarm message appears in the message display windowaccompanied by an audio warning alarm.68.4 TRAINLINK II Rear Car EmergencyBrakingRear car emergency braking is a key feature of the EOT telemetrydevice. Arming the LCU activates the emergency braking functionfor a specific EOT.68.4.1 Arming the LCUTwo people are needed to arm the LCU:• One is needed at the LCU on the controlling locomotive of thetrain.• One is needed at the EOT on the last car of the train.To arm the LCU:1. Set the LCU ID code thumbwheel switches to the ID code of theEOT on the last car.2. Press the TEST button on the EOT, which will display the ARMNOW message on the message display window of the LCU.3. Immediately press the COMMUNICATIONS TEST/ARMbutton on the LCU, which will display the ARMD message onthe message display window of the LCU and light the EMERGENABLED status LED at the same time.NOTE: If NOT ARMD appears on the LCU message display,the system did not accept the arming sequence. Repeat steps1 through 3 above.The system is now armed. If the emergency switch is operated, theEOT will open its emergency valve triggering an emergency applicationof the train brakes.June 1, 1996 ARRC Air Brakes and Train Handling Manual 68-13