Cabletron Systems switches User Manual
Networking Standards and Limitations
A-11
Charts and Tables
FDDI
FDDI Distance Limitations
General Rules
a. Category 5 UTP cabling only
b. IBM Type 1 STP cabling only
Table A-16. FDDI Distance Limitations
Media
PMD Standard
Max Link Distance
Fiber Optics (Multimode)
MMF-PMD
2 km
Fiber Optics (Single Mode)
SMF-PMD
60 km
Unshielded Twisted Pair
a
TP-PMD
100 m
Shielded Twisted Pair
b
100 m
Table A-17. FDDI General Rules
Max # Stations/Ring
500
Max Total Ring Length
100 km
Topologies
Logical Ring, Tree