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C
HAPTER
3
| Making Network Connections
Connectivity Rules
– 36 –
Category 5 cabling for running 1000BASE-T is a simple test of the cable
installation to be sure that it complies with the IEEE 802.3ab standards.
1000 M
BPS
G
IGABIT
E
THERNET
C
OLLISION
D
OMAIN
Table 4: Maximum 1000BASE-T Gigabit Ethernet Cable Length
Cable Type
Maximum Cable Length
Connector
Category 5, 5e, or 6 100-ohm UTP or STP
100 m (328 ft)
RJ-45
Table 5: Maximum 1000BASE-SX Gigabit Ethernet Cable Lengths
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 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 - 6.2 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