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U471 mic input / spk output / relay control output, U465 sensor input (dry contact), 4) relay output : output port with embedded relay – ARM Electronics IP540_620MDVANVP User Manual

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U471 mic input / spk output / relay control output, U465 sensor input (dry contact), 4) relay output : output port with embedded relay | ARM Electronics IP540_620MDVANVP User Manual | Page 10 / 67 U471 mic input / spk output / relay control output, U465 sensor input (dry contact), 4) relay output : output port with embedded relay | ARM Electronics IP540_620MDVANVP User Manual | Page 10 / 67