Optical Electronics make up about 50% of Capital Expeditures for a carrier or cableco. Half of the optical's cost is the transceivers. By purchasing third party transceivers carriers can save up to 65% on the optical portion of the box price. This translates into about a 15% overall reduction in Capex for a typical carrier.
Clipping is a handy way to collect important slides you want to go back to later.