FTTH, indoor, outdoor glass optical fiber cable 1.FTTH,FTTB,FTTO-Fibre to The Home,Building,Office. ... KILOMETER FTTH, indoor, outdoor glass optical fiber/fiber optic cable1. Product Characteristics (Overall) 1) singlemode fiber size parameters ¦ Fiber Type ¦ ITU –T G.657A ... temperature range ¦ –40 ~ +60 °C FTTH, indoor, outdoor glass optical fiber/ fiber optic cable