SMC Networks 8612T2 FICHE, Installation Manual

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N
ETWORK
P
LANNING
2-6
Connectivity Rules
When adding hubs (repeaters) to your network, please follow the
connectivity rules listed below for these products. However, note that
because switches break up the path for connected devices into separate
collision domains, you should not include the switch or connected cabling
in your calculations for cascade length involving other devices.
1000 Mbps Gigabit Ethernet Collision Domain
Maximum Fiber Optic Cable Distance for 1000BASE-SX
Fiber Size Fiber Bandwidth Maximum Cable Length
62.5/125 micron 160 MHz/km 2-220 m (7-722 ft)
200 MHz/km 2-275 m (7-902 ft)
50/125 micron 400 MHz/km 2-500 m (7-1641 ft)
500 MHz/km 2-550 m (7-1805 ft)
Maximum Fiber Optic Cable Distance for 1000BASE-LX
Fiber Size Fiber Bandwidth Maximum Cable Length
9/125 micron N/A 2 m - 10 km (7 - 32808 ft)
Maximum Cable Distance for 1000BASE-T
Type Connector Maximum Cable Length
Cat. 5, 5e, or 6
100-ohm UTP
RJ-45 100 m (328 ft)
Maximum 1000BASE-ZX Fiber Optic Cable Distance
Fiber Diameter Fiber Bandwidth Cable Length Range
9/125 micron single-mode
fiber (SMF)
N/A 70* - 100 km (43.5 - 62.1 miles)
* For link spans exceeding 70 km, you may need to use premium single mode fiber
or dispersion shifted single mode fiber.