2-34 www. m oxa. com Introduction to IEC 61850-3 Ethernet Switches 2 Industry-Specific Ethernet Switches > Industry-Specific Ethernet Switches Introduction to Suitable for All Demanding Power Utility Applications IEC 61850-3 Ethernet Switches Fiber Optic Cable (1000BaseSX/LX/LHX/ZX or 100BaseFX) Twisted Pair Cable (10/100BaseT(X)) Serial