VAC6840N is an analog changeover. The changeover is performed by the relays on VAC6840N rear panel. Selected signal at the output is maintained when power failure. The input can be selected automatically or manually. Automatic signal selection is based on video signal presence and video level detection.An optional remote control panel can be chosen for manual control.
Analog video input
Input number 2
Standard NTSC, PAL-B
Connector BNC（ IEC 169-8）
Signal coupling DC
Impedance 75 ohm
Analog video output
Output number 1
Connector BNC（IEC 169-8）
Impedance 75 ohm
Analog audio input
Input number 4
Signal Balanced analog audio
Connector 3-pin connector
Analog audio output Balanced analog audio
Connector 3-pin connector
Power consumption
Power 2.4W
Positve rail 350 mA
Negative rail 20 mA
▶ Support NTSC/PAL inputs
▶ Relay switching can maintain selected input on power loss
▶ Automatic mode based on video signal presence and video level detection
Analog video input
Input number 2
Standard NTSC, PAL-B
Connector BNC（ IEC 169-8）
Signal coupling DC
Impedance 75 ohm
Analog video output
Output number 1
Connector BNC（IEC 169-8）
Impedance 75 ohm
Analog audio input
Input number 4
Signal Balanced analog audio
Connector 3-pin connector
Analog audio output Balanced analog audio
Connector 3-pin connector
Power consumption
Power 2.4W
Positve rail 350 mA
Negative rail 20 mA
▶ Support NTSC/PAL inputs
▶ Relay switching can maintain selected input on power loss
▶ Automatic mode based on video signal presence and video level detection