NETWORK PLANNING

100 Mbps Fast Ethernet Collision Domain

Maximum 100BASE-FX Fiber Optic Cable Distance

100BASE-FX

50/125 or 62.5/125 micron core multimode fiber (MMF)

 

 

 

 

 

Full duplex

2 km (1.24 miles)

SC or ST

 

 

 

 

100BASE-FX

9/125 9 micron core single-mode fiber (SMF)

 

 

 

 

 

Full duplex

10 km (6.21 miles)

SC or ST

 

 

 

 

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

Twisted Pair

 

and Number

100BASE-TX

 

 

 

1

Class I

200 m (656 ft.)

 

 

 

1

Class II

200 m (656 ft.)

 

 

 

2

Class II

205 m (672.4 ft.)

 

 

 

2-7

Page 35
Image 35
SMC Networks manual Mbps Fast Ethernet Collision Domain, Maximum 100BASE-FX Fiber Optic Cable Distance