100 Mbps Fast Ethernet Collision Domain; Smc 3-2 Rule For Class Ii Repeaters; Smc 2-1 Rule For Class I Repeaters; Maximum Network Diameter Using Repeaters - SMC Networks 6900FSC Installation Manual

100 Mbps Fast Ethernet Collision Domain

SMC 3-2 Rule for Class II Repeaters

Between any two PCs or other stations in the same 100BASE-TX
collision domain, there may be:
• up to 3 link segments and
• up to 2 Class II repeaters (hubs)

SMC 2-1 Rule for Class I Repeaters

Between any two PCs or other stations in the same 100BASE-TX
collision domain, there may be:
• up to 2 link segments and
• up to 1 Class I repeater (hub)

Maximum Network Diameter Using Repeaters

Repeater Type
and Number
1 Class I
1 Class II
2 Class II

Maximum Fast Ethernet Cable Distance

Cable Type
Twisted Pair
Fiber
Twisted Pair
100BASE-TX
200 m (656 ft.)
200 m (656 ft.)
205 m (672.4 ft.)
Connecting
Any two devices
Switch to switch, server or PC
Half duplex
Full duplex
N P
ETWORK LANNING
Max. Distance
100 m (328 ft.)
412 m (1,351.4 ft.)
2 km (1.24 mi.)
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