Fast Ethernet Switch Installation Guide

C ONNECTIVITY R ULES
4-7
1000 Mbps Gigabit Ethernet Cable Lengths
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 duplex fiber
N/A 2 m - 10 km
(7 ft - 6.2 miles)
LC
Table 4-4 Maximum 1000BASE-ZX Gigabit Ethernet Cable Length
Fiber Size Fiber Bandwidth Maximum Cable
Length
Connector
9/125 micron
single-mode fiber
N/A 70* - 100 km
(43.5 - 62.1 miles)
LC
* For link spans exceeding 70 km, you may need to use premium single mode fiber or
dispersion shifted single mode fiber