The X-Laser EtherStop PatchThru 4I 8O is a robust optical signal splitter and isolator designed for demanding professional laser and lighting control applications. Featuring four RJ45 input ports and eight optically isolated RJ45 output ports, the unit ensures safe and reliable signal distribution while preventing data loss and protecting connected devices from surges, ground loops, and electrical faults. Built into a rugged metal enclosure, the EtherStop PatchThru 4I 8O supports Art-Net, sACN, and ILDA signal passthrough, making it compatible with a wide range of lighting and laser control systems. With flexible mounting options and plug-and-play operation, it offers installers and operators a dependable solution for complex networked control setups.