What is the maximum length of an ethernet cable (AKA segment) ?
COPPER (UTP & COAXIAL) LENGTHS: Gigabit Ethernet (over copper), 1000baseT Length: 100 Meters Cable: UTP (Cat5 and up ONLY) Fast Ethernet, 100BaseTX Length: 100 Meters Cable: UTP (Cat5 and up ONLY) Twisted Pair Ethernet, 10BaseT Length: 100 Meters Cable: UTP (Cat 3 and up) Thin Ethernet, 10Base2 Length: 185 Meters Cable: RG-58 type coax Thick Ethernet, 10Base5 Length: 500 Meters Cable: RG-58 type coax FIBRE OPTIC LENGTHS: 10BaseFL (Multimode fibre) Length: 2000m or 2km 100BaseFX Half-duplex (Multimode fibre) Length: 412m 100BaseFX Full-duplex (Multimode fibre) Length: 2000m or 2km 100BaseFX Full-Duplex ONLY (Singlemode fibre) Length: 2-40,000m or 2-40km *(see note) 1000Base-LX Length: 550m (62.5 or 50 multimode fibre) 3000m (10 singlemode fibre) 1000Base-SX Length: 250m (62.5 multimode fibre) 550m (50 multimode fibre) 1000Base-CX Length: 25m (requires new type of shielded cable) *NOTE: These lengths can vary by equipment vendor. Some products enable 100Mbps Full Duplex over 100km now (o