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https://e2e.ti.com/support/interface-group/interface/f/interface-forum/842295/dp83849if-except-dp83849if-with-copper-to-fiber-100base-fx-feature-if-we-have-other-lower-cost-and-litter-size-with-this-feature
与具有此功能的 DP83849IF 相比、需要选择一个器件#：铜缆转光纤(100Base-FX)功能可实现更大的垃圾尺寸和更低的成本。
您好、Leo、
您需要找到支持铜缆到光纤介质转换的成本更低的 PHY 吗？
一种较低成本的选择是在 RMII 背靠背配置中使用两个 DP83822IF 器件。
