April 7, 1998 EXHIBIT 8.1 Tellabs, Inc. 4951 Indiana Avenue Lisle, Illinois 60532 Ladies and Gentlemen: We refer to the Agreement and Plan of Merger dated as of February 16, 1998 (the "Agreement") among Tellabs, Inc., a Delaware corporation...Tellabs Inc • April 7th, 1998 • Telephone & telegraph apparatus
