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44-chs independent control output, Signal Channel Consumption 800W, 1 Supports GPS Satellite Signal Real-time Timing, 1 100M Ethernet Interface, 2 RS-232; 2 RS-485; 1 USB, AC220V ± 44V, 50Hz ± 2Hz, -40 ℃ ~ +70 ℃, IP54 (Cabinet)