Exhibit 11 General DataComm Industries, Inc. and Subsidiaries Calculation of Earnings per Share (In thousands except per share data) Three months ended December 31, 1994 1993 Primary earnings per share: Weighted average number of common shares outstanding 18,198 15,978 Assumed exercise of certain stock options - - 18,198 15,978 Loss before cumulative effect of accounting changes ($805) ($1,876) Cumulative effect of changes in accounting for post-retirement and post-employment benefits - (433) Net loss ($805) ($2,309) Loss per share: Loss before cumulative effect of accounting changes ($0.04) ($0.11) Cumulative effect of changes in accounting for post-retirement and post-employment benefits - (0.03) Loss per share ($0.04) ($0.14) ====== ====== Fully diluted earnings per share: Weighted average number of common shares outstanding 18,198 15,978 Assumed exercise of certain stock options - - 18,198 15,978 Loss before cumulative effect of accounting changes ($805) ($1,876) Cumulative effect of changes in accounting for post-retirement and post-employment benefits - (433) Net loss ($805) ($2,309) Loss per share: Loss before cumulative effect of accounting changes($0.04) ($0.11) Cumulative effect of changes in accounting for post-retirement and post-employment benefits - (0.03) Loss per share ($0.04) ($0.14) ====== ====== -15-