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Token Ring |
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Distance Limitations |
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| Cable | Max # of Stations | Max Lobe Length | ||
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| Type | 4 Mbps | 16 Mbps | 4 Mbps | 16 Mbps | ||
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| STP | active | IBM Types 1, 2 | 250 | 250 | 300 m | 150 m |
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| IBM Types 6, 9a | 250 | 136 | 200 m | 100 m |
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| passive | IBM Types 1, 2 | 250 | 250 | 200 m | 100 m |
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| IBM Type 9 | 250 | 136 | 133 m | 66 m |
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| UTP | active | Category 5 | 150 | 150 | 250 m | 120 m |
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| Categories 3, 4 | 150 | 150 | 200 m | 100 m |
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| passive | Category 5 | 100 | 100 | 130 m | 85 m |
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| Categories 3, 4 | 100 | 100 | 100 m | 60 m |
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| Fiber Optics | active | Multimode | 250 | 250 | 2000 m | 2000 m |
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| Single Mode | 250 | 250 | 2000 m | 2000 m |
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a. IBM Type 6 cable is recommended for use as jumper cabling only, and should not be used for facility cabling installations.
Networking Standards and Limitations |
