Question: A fiber optic link with a 1km cable has a loss of 3.4 dB. Patch panel (patch cord) connection loss at each end is 0.8

A fiber optic link with a 1km cable has a loss of 3.4 dB. Patch panel (patch cord) connection loss at each end is 0.8 dB. Pigtail loss is negligible. If a light source with optical power of -10 dBm is connected to one end of the fiber link, what will the received light power be at the other end?

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