FTTB Fiber to The Building 光纤到楼 FTTC Fiber to The Curb 光纤到路边 FTTH Fiber to The Home 光纤到家 FTTO Fiber to The Office 光纤到办公室 FSA Fiber to the Serving Area 光纤到服务区
FTTB FTTC FTTH FTTO FSA
原文：http://www.cnblogs.com/zengkefu/p/6905770.html
