What does FOTS stand for?

Fiber Optics Transmission System - Transmission system (TELEC)

Fiber-Optic Terminal System (SAUS)

Fiber Optic Transmission System - Consists of modulated light signals sent through glass fibers and demodulated by photo-diodes - Data transmission

fibre optics transmission system (SAUS)

Fibre-Optic Transmission System (SAUS)