Fibre Optic 타입 = Glass Electrical Connection = Cable Fibre optics for 18 series cells. Reflection and simple barrage fibre optics in a metal sleeve. Use with the FZAM 18P 1150 S14 cell. Fibres have a cross-section of 2 x 3 mm ;sup>2 ;/sup> (FUF) and 2 x 2 mm ;sup>2 ;/sup> (FSF).