Exhibit 3 FORM OF STOCKHOLDER AGREEMENT STOCKHOLDER AGREEMENT, dated as of February 16, 1998 (this "Agreement") by the undersigned stockholder (the "Stockholder") of Coherent Communications Systems Corporation, a Delaware corporation (the "Company"),...Stockholder Agreement • February 26th, 1998 • Tellabs Inc • Telephone & telegraph apparatus • Delaware
1 Exhibit 2 SAFEGUARD STOCKHOLDER AGREEMENT STOCKHOLDER AGREEMENT, dated as of February 16, 1998 (this "Agreement") by the undersigned stockholder (the "Stockholder") of Coherent Communications Systems Corporation, a Delaware corporation (the...Safeguard Stockholder Agreement • February 26th, 1998 • Tellabs Inc • Telephone & telegraph apparatus • Delaware
