Intercom Channel -Male & Female 3-pin XLR -Output Level 0 dBu ( 775 mV ) nominal -Terminating Impedance 200 ohms -Bridging Impedance >15k ohms -Pin 1 Common -Pin 2 30 VDC ( +12 VDC min ) 35 mA -Pin 3 Audio . . .

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Intercom Channel
-Male & Female 3-pin XLR
-Output Level 0 dBu ( 775 mV ) nominal
-Terminating Impedance 200 ohms
-Bridging Impedance >15k ohms
-Pin 1 Common
-Pin 2 30 VDC ( +12 VDC min ) 35 mA
-Pin 3 Audio

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