Cabletron Systems MT8-MIM Spezifikationen Seite 112

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Token Ring Network Requirements
10-8 IEEE 802.5j (Multimode Fiber Optics)
Category 5
The tested requirements for Category 5 UTP trunk cables are the same as those
required for UTP lobe cables using Category 5 cabling. The maximum link length
of a Category 5 trunk cable at 4 Mbps is 250 m (820 ft). A 16 Mbps Token Ring
network would allow a maximum Category 5 UTP trunk link length of 120 m
(393 ft).
IEEE 802.5j (Multimode Fiber Optics)
Cable Type
IEEE 802.5j multimode fiber optic products for Token Ring networks require
specific types of cabling. Token Ring multimode fiber optic devices manufactured
by Cabletron Systems are able to support connections to and from the following
construction sizes of multimode fiber optics:
50/125 µm
62.5/125 µm
100/140 µm
The use of other types of multimode fiber optic cabling may result in poor
network performance or inability to establish links.
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