Practice question

What type of fiber optic cable is most commonly used for traffic signal interconnect communications?

Multi-mode OM1 62.5/125 fiber
Single-mode OS2 9/125 fiber
Multi-mode OM5 50/125 fiber
Plastic optical fiber (POF)

Answer: B — Single-mode OS2 9/125 fiber

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Practice more: IMSA Traffic Signal III Practice Questions - IMSA Traffic Signal Senior Field Technician Level III Certification Exam Exam →