12.1 100-Mbps T4 Media System

The 100BASE-T4 interface is shown connected directly to a 100BASE-T4 hub port. Outboard transceivers attached to a 40-pin MII connector on the interface or the hub could also be used to make this connection.

FIGURE 12.1 Connecting a computer to 100BASE-T4 Ethernet

The 100BASE-T4 system operates over four pairs of wires, with a signalling system that makes it possible to provide Fast Ethernet signals over standard voice-grade Category 3 unshielded twisted-pair cable.

Quick Reference Guide to 100BASE-T4 - 09 SEP 95

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