C
HAPTER
4
| Making Network Connections
Connectivity Rules
– 50 –
100 MBPS FAST ETHERNET COLLISION DOMAIN
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 6: 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 - 10 km (7 ft - 6.4 miles) LC
Table 7: 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 8: Maximum 100BASE-FX Cable Length
Type Cable Type Max. Cable Length Connector
100BASE-FX 9/125 micron single-mode
fiber
2 m - 20 km
(7ft - 12.43 miles)
LC
62.5/125 or 50/125
multimode fiber
up to 2 km (1.24 miles) LC
Table 9: Maximum Fast Ethernet Cable Lengths
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 5: Maximum 1000BASE-SX Gigabit Ethernet Cable Lengths (Continued)
Fiber Size Fiber Bandwidth Maximum Cable Length Connector
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