TechFest Ethernet Technical Summary

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4.0 Ethernet Physical Layer Specifications

4.1 Physical Layer Summary

The following table provides a summary of the various physical layer specifications defined for Ethernet. The maximum cable segment lengths listed for half-duplex operation are valid for networks with only one repeater or repeating hub. Further analysis is required to determine the maximum cable segment lengths for multi-segment networks with more than one repeater. The maximum segment lengths listed for full-duplex operation are valid regardless of the size of the network.