Coupling discriminator and interface adaptor

Details Coupling discriminator and interface adaptor Coupling discriminator and interface adaptor

1985-12-20

1987-03-03

Yusko, Donald J.

Communications: electrical

Continuously variable indicating

With meter reading

34082506, 375 36, 178 69R, 370 79, H04Q 100, H04L 2300

Patent

active

046479120

ABSTRACT:
A coupling discriminator for Ethernet standard local area network interface equipment monitors the electrical characteristics of an incoming differential signal pair, discriminates between a signal pair that is direct coupled and a pair that is transformer coupled, and configures the interface equipment for operation with the type of coupling detected.

REFERENCES:
patent: 4479228 (1984-10-01), Crane
patent: 4512025 (1985-04-01), Frankel et al.
patent: 4534038 (1985-08-01), Dodds et al.
patent: 4573168 (1986-02-01), Henze et al.

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