DMX Optical Isolator Demonstrated Non optical buffers & isolators offer some protection depending on the isolation type
ELM Video Technology's line of In-Line Isolators and buffer / drivers are available in an XLR barrel through (thru) connector with 3 or 5 pin styles or are available as in PCB's for single installations or can be installed in most of our enclosures and custom build items to offer optical and non optical buffering between any inputs and/or outputs.