How can the submarine fiber optic relay relay power supply?
Domestic relay manufacturers, I really do not know, at least submarine fiber optic cable relay, I really do not knowI am Shanghai YOFC, I was the first brand of domestic cable
He put the power cord with the fiber cable in one cable, and the power needed for the relay was transmitted through the cable inside the cable
Submarine fiber optic cable is a hybrid fiber optic cable, belonging to a special type of cable
