SILENT KNIGHT 6820EVS SF 09/12 Communication takes place over the

Communication takes place over the power (+ and –) lines

Power Consumption (Holding) 0

operating in airflow speeds of 100 to 4

The Silent Knight EVS-125W is an intelligent 125-watt amplifier for use with the 5820XLEVS or 6820EVS

SILENT KNIGHT 6820EVS SF 09/12 Communication takes place over theThe 6820EVS is an intelligent addressable Fire Alarm Control Panel combined with an Emergency Voice System (EVS) and are direct replacements for the 5820XL EVS FACP. When the EVS features are enabled, they are integrated with the fire alarm and voice evacuation functions of the control panel. The emergency voice system operations include an onboard supervised microphone. All call and non active call buttons can quickly select all active or non active