Cable Length Limits
    Data Cables
        Ethernet – 100m (328ft)
        USB – 15 ft (passive); 95ft (passive + Active Extensions); 200ft (ethernet extension)
        Firewire – 72m (236ft)
        Serial Cables – 15m (49ft); 60m (197ft with signal degradation)
        Single-Mode Fiber Optic – no practical limit
        OM1 Multimode Fiber Optic – 300m
        OM2 Multimode Fiber Optic – 600m
        OM3 Multimode Fiber Optic – 300m
        OM4 Multimode Fiber Optic – 550m
        (source: Cable Distance Limits – Data)

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