LAN interface device

Details LAN interface device LAN interface device

1999-03-30

2000-09-26

Felber, Joseph L.

Multiplex communications

Channel assignment techniques

Details of circuit or interface for connecting user to the...

H04L 1266

Patent

active

061251216

ABSTRACT:
A network interface device includes lines having functions for transmitting and receiving a signal to and from a station via a connection port. A line reversal circuit reverses the functions of the lines. A controller directs the line reversal circuit to switch the functions of the lines on non-reception of a predetermined signal which is tested for at predetermined intervals. The predetermined signal includes a connection confirmation signal, which is a Normal Link Pulse defined in the IEEE 802.3 Standard.

REFERENCES:
patent: 5247540 (1993-09-01), Hoge
patent: 5701296 (1997-12-01), Yamauchi

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