SCALANCE X ACCESSORIES; MEDIA MODULE MM991-4; 4 X 100MBIT/S BFOC-PORTS, OPTICAL; MULTIMODE GLASS UP TO MAX. 5 KM
6GK5991-4AB00-8AA0 Industrial communication SIEMENS
SCALANCE X ACCESSORIES; MEDIA MODULE MM991-4; 4 X 100MBIT/S BFOC-PORTS, OPTICAL; MULTIMODE GLASS UP TO MAX. 5 KM