Reolink RLA-POECS1 | PoE Combiner and SplitterWhen you need to install two cameras but only have one cable, or having difficulty adding another cable, the PoE combiner & splitter comes to the rescue. Simply plug the two RJ45 male connectors (sender) into the PoE switch or NVR, and use a cable to connect the otherend of the combiner with the splitter. Then connect your cameras to the two RJ45 female connectors (receiver). Done! It's plug and play, cost effective, hassle free solving all your