Audio Input: 8CH BNC Audio Output:1 channel ,BNC Video Input: 32CH BNC Video Output: ... ensure the equipment never be hang up. With the unique black box technology, can monitor the whole run process of the equipment ... .0Vp-p,75Ω,1 VGA outputLoop outSupport Audio Input8 channel ,BNC,200-2800mV,30KΩ Audio Output1 channel ,BNC, 200-3000mV,5KΩ Alarm ...