ADTRAN Inc. revised earnings guidance for the third quarter ending September 30, 2012. For the quarter, the company expects revenue to be approximately $162 million. GAAP earnings per share for the quarter, assuming dilution, are expected to range from $0.14 to $0.15.

Non-GAAP earnings per share for the quarter are expected to range from $0.18 to $0.19. Non-GAAP earnings per share exclude the effect of acquisition related expenses, amortizations and adjustments, and stock compensation expense.