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Power input: 2.5-mm sub-miniature phone jack Indicators — (1) Red LED for power Power — AC056A-R3, AC057A-R3: 115 VAC, 60 Hz, using power supply; Power supply output ±5 VDC, 300 to 1000 mA; AC056AE-R2, AC057AE-R2: 230 VAC, 50 Hz, using power supply;...