The Kramer Electronics OC-4 reduces or eliminates hum and herringbone interference resulting from a ground loop. This model offers four channels of video isolation. The inputs and outputs are BNC connections isolated from the power supply ground.
Kramer Electronics OC-4 Features
Optical Video Isolation: This unit offers opto-isolation, therefore offering a linear response and wide frequency range capability
Level Control: Input level, Output level and EQ controls offer the user optimum control of the video signal
Quad Channel: This device offers four separate channels of video line isolation with adjustment for each channel