Onpath Technologies Inc.

Richard Alan Eddy

Larry Cantwell

A network switch includes first and second clock-and-data-recovery (CDR) circuits, a cross-bar switch electrically coupling the first and second CDR circuits, and a test pattern generation circuit electrically coupled to the first CDR circuit. The test pattern generation circuit is configured to generate a test pattern and transmit the test pattern from the first CDR circuit to the second CDR circuit via the cross-bar switch. The network switch also includes a test pattern checking circuit electrically coupled to the second CDR circuit and configured to verify the test pattern received at the second CDR circuit.

Methods and systems for calibrating a network switch

A network switch includes first and second clock-and-data-recovery (CDR) circuits, a cross-bar switch to couple the first and second CDR circuits, and a first test pattern generation circuit electrically coupled with the first CDR circuit. The first test pattern generation circuit is configured to generate a test pattern and transmit the test pattern from the first CDR circuit to the second CDR circuit via the cross-bar switch. The network switch also includes a first test pattern checking circuit, electrically coupled with the second CDR circuit, to verify the test pattern received at the second CDR circuit.

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Marlton, NJ, United States of America

Richard Alan Eddy