Wide range equalizer with line length detection

Details Wide range equalizer with line length detection Wide range equalizer with line length detection

1995-05-30

1998-01-13

Zele, Krista M.

Telephonic communications

Repeater

Having line length compensation or equalization

379347, 379394, 379400, 375229, 333 18, H04M 700

Patent

active

057087032

ABSTRACT:
An automatic line equalizer for use with a T1 or an E1 repeater in a telecommunications system is disclosed. The equalizer includes a first equalizing means for equalizing an input line having a line length falling within a first range and a second equalizing means for equalizing an input line having a line length falling within a second range. The equalizer includes a line condition/length detector. The equalizer includes switch means for selectively coupling one of the first and second equalizers to the selected input line as a function of a line condition indication. The switching means prevents hunting between said first and said second equalizers.

REFERENCES:
patent: 4378535 (1983-03-01), Chiu et al.
patent: 4686686 (1987-08-01), Nakayama et al.
patent: 4797898 (1989-01-01), Martinez
patent: 4887278 (1989-12-01), Gupta
patent: 5048055 (1991-09-01), Creigh et al.
patent: 5388123 (1995-02-01), Uesugi et al.

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