EDI SSMLE-FYAc Series Advanced Signal Monitors
Enhanced NEMA Signal Monitor Units For Protected/Permissive Signal Displays Utilizing Flashing Yellow Arrows
The SSMLE-FYAc series signal monitors provide the highest level of fault monitoring for agencies utilizing the four section FYA movement outlined by the NCHRP Research Project 3-54 on Protective/Permissive signal displays with Flashing Yellow Arrows.
The FYAc approach provides 4 thru phases, 4 FYA approaches, and 4 pedestrian phases in a twelve position back panel. (Also see the SSMLE-FYA model).
The SSMLE-FYAc series signal monitor includes both six channel (SSM6LE-FYAc) and twelve channel (SSM12LE-FYAc) configurations.