AT&T Microelectronics, Berkeley Heights, New Jersey, claims the first complete family of devices complying with the latest version of emerging industry standards for designing and implementing twisted-pair Ethernet local-area networks that use ordinary phone wire rather than co-axial cable: the company claims that the device family is all that is needed to design a complete twisted-pair IEEE 802.3 Ethernet, with compliance to draft D/11 of the IEEE’s proposed standard for 10BaseT integrated circuits; the three chips are the T7220 twisted-pair medium attachment unit, the T7240 twisted-pair port receiver and the T7201 multi-port repeater; no prices provided.
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