ALEXANDRIA, Va., May 19 -- United States Patent no. 12,634,007, issued on May 19, was assigned to VIAVI SOLUTIONS INC. (Chandler, Ariz.).

"Optical network test instrument including testing for optical network unit and optical line terminal assignment" was invented by Niki Kirschenmann (Unterhausen, Germany), Joachim Lonne (Pliezhausen, Germany), Dominik Prause (Reutlingen, Germany) and Olivier Daire (Montigny-le-bretonneux, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A test instrument can be coupled to a test point in a passive optical network (PON) to perform an optical network unit (ONU) assignment determination test. The ONU assignment determination test determines a one-to-one assignment of an ...