1. Consider a passive optical network, PON: Explain why the number of customers one OLT unit can serve is limited. Sketch the block diagram to support your explanation. Can you increase the number of these customers? Give your reasoning. a. b. Show transcribed image text 1. Consider a passive optical network, PON: Explain why the number of customers one OLT unit can serve is limited. Sketch the block diagram to support your explanation. Can