products Arrester SURGEFREE CCTV protection SHD-RJ45-8(POE) SHD-RJ45-8(POE) The SHD-RJ45-8(POE) is an 8-pin RJ45 surge protection device for PoE network applications, designed to protect Ethernet equipment against transient overvoltages on power and data lines. Download Datasheet (PDF) Technical Support, Sales & Service Tel. +82-2-2616-0533