This course provides training for technicians, engineers, FAA technical center personnel, and developmental technicians on the PREMNET 5000 fiber optic multiplexer. The course is 12 hours Academy Lecture and 28 hours Academy Laboratory. Lecture subjects include fiber optic applications in an airport loop, loop configuration overview and design, installation and system configuration, CMS 400 software, and system features and components. Laboratory subjects include PREMNET 5000 familiarization, PREMNET software, troubleshooting PREMNET 5000, CMS 400 software familiarization, and troubleshooting with CMS 400 software. For information on exams for this course, see the Special Instructions in FIST.