The D-SEP/TR is designed for additional protection in CCTV installations, securing the cameras and other devices from voltage differences and strokes between devices in the installation.
The device is equipped with built-in video transformer (balun) and can be used to eliminate ground loop interferences in asymmetrical (75 ohms) video installations and symmetrical (100 ohms) video installations - simply disconnect the cable with BNC socket from the terminals and connect to them twisted-pair cable.