Cabletron Systems MICROMMAC-22T, User Manual

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CABLING
4-5
Table 4-2 lists the maximum recommended lengths allowed for UTP, STP,
and multimode fiber optic trunk cable supporting 4 Mbps and 16 Mbps
data-transmission rates.
Table 4-1 Maximum Lobe Cable Lengths
Cable Type 4 Mbps 16 Mbps
STP (IBM Types 1 & 2)
300 meters
(984 feet) 150 meters
(493 feet)
STP (IBM Types 6 & 9)
For station to wall jack
or patch panels only
30 meters
(99 feet) 30 meters
(99 feet)
UTP (Category 3 & 4)
200 meters
(656 feet) 100 meters
(328 feet)
UTP (Category 5)
250 meters
(820 feet) 120 meters
(394 feet)
Table 4-2 Maximum Trunk Cable Lengths
Cable Length 4 Mbps 16 Mbps
STP (IBM Types 1 & 2)
770 meters
(2525 feet) 346 meters
(1138 feet)
Fiber (Multimode)
2000 meters
(6562 feet) 2000 meters
(6562 feet)
UTP (Categories 3 & 4)
200 meters
(656 feet) 100 meters
(328 feet)
UTP (Category 5)
250 meters
(820 feet) 120 meters
(394 feet)