Medium attachment unit for use with twisted pair local area netw

Details Medium attachment unit for use with twisted pair local area netw Medium attachment unit for use with twisted pair local area netw

1990-02-15

1992-11-17

Chin, Stephen

Pulse or digital communications

Repeaters

Testing

375121, H04B 346

Patent

active

051649608

ABSTRACT:
An integrated media attachment unit (MAU) operative for interfacing Digital Terminal Equipment (DTE) on a Local Area Network (LAN) using twisted pair media. The twisted pair function as either a DTE MAU or a repeater MAU. A line driver for the twisted pair differential signal provides a ramped response with low jitter while an improved Attachment Unit Interface (AUI) driver uses CMOS technology and provides simplified End-of-Transmission Delimiter (EDT) control. The twisted pair MAU includes a combined override and status indication of link status and an additional feature to allow automatic polarity reversal of differential signal input lines and polarity status signalling.

REFERENCES:
patent: 3824548 (1974-07-01), Sullivan et al.
patent: 4380810 (1983-04-01), Canniff
patent: 4403320 (1983-09-01), Canniff
patent: 4859815 (1989-08-01), Irwin et al.

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