4-5
Connectivity Rules
4
1000 Mbps Gigabit Ethernet Collision Domain
100 Mbps Fast Ethernet Collision Domain
10 Mbps Ethernet Collision Domain
Table 4-1. Maximum 1000BASE-T Gigabit Ethernet Cable Length
Cable Type Maximum Cable Length Connector
Category 5, 5e, 6 100-ohm UTP or STP 100 m (328 ft) RJ-45
Table 4-2. Maximum 1000BASE-SX Gigabit Ethernet Cable Length
Fiber Size Fiber Bandwidth Maximum Cable Length Connector
62.5/125 micron
multimode fiber
160 MHz/km 2-220 m (7-722 ft) LC
200 MHz/km 2-275 m (7-902 ft) LC
50/125 micron multimode
fiber
400 MHz/km 2-500 m (7-1641 ft) LC
500 MHz/km 2-550 m (7-1805 ft) LC
Table 4-3. Maximum 1000BASE-LX Gigabit Ethernet Cable Length
Fiber Size Fiber Bandwidth Maximum Cable Length Connector
9/125 micron
single-mode fiber
N/A 2 m - 5 km (7 ft - 3.2 miles) LC
Table 4-4. Maximum 1000BASE-LH Gigabit Ethernet Cable Length
Fiber Size Fiber Bandwidth Maximum Cable Length Connector
9/125 micron
single-mode fiber
N/A 2 m - 70 km (7 ft - 43.5 miles) LC
Table 4-5. Maximum Fast Ethernet Cable Length
Type Cable Type Max. Cable Length Connector
100BASE-TX Category 5 or better 100-ohm UTP or STP 100 m (328 ft) RJ-45
Table 4-6. Maximum Ethernet Cable Length
Type Cable Type Max. Cable Length Connector
10BASE-T Twisted Pair, Categories 3, 4, 5 or better
100-ohm UTP
100 m (328 ft) RJ-45
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