10
1000 MBPS Gigabit Ethernet Collision Domain
Table 6 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 7 Maximum 1000BASE-SX Gigabit Fiber Cable Length
Fiber Size
Fiber Bandwidth
Maximum Cable Length
Connector
62.5/125 micron
multimode fiber
160 MHz/km
200 MHz/km
220 m (722 ft)
275 m (902 ft)
LC
LC
50/125 micron
multimode fiber
400 MHz/km
500 MHz/km
500 m (1641 ft)
550 m (1805 ft)
LC
LC
Table 8 Maximum 1000BASE-LX/LHX/XD/ZX Gigabit Fiber Cable Length
Fiber Size
Fiber Bandwidth
Maximum Cable Length
Connector
9/125 micron single-
mode fiber 1310nm
N/A
10km (6.2 miles)
LC
9/125 micron single-
mode fiber 1550nm
N/A
30km (18.64 miles)
50km (31.06 miles)
LC
LC
Table 9 Maximum 1000BASE-LX Single Fiber Gigabit Fiber Cable Length
Fiber Size
Fiber Bandwidth
Maximum Cable Length
Connector
Single-mode
TX-1310nm
RX-1550nm
N/A
20km (12.42miles)
BIDI
LC
Single-mode
TX-1550nm
RX-1310nm
N/A
20km (12.42miles)
BIDI
LC
