$400 - 4 port galvanic isolation system using fiber optic ports

For your consideration is a galvanic isolation system to reduce noise from electrical systems on your network. I used this to isolate Ethernet connections to my TV and music server. My previous house had various motors and pumps on the same circuit as my home theater, new house electrical is noise free. This setup will also work on a computer network to provide galvanic isolation for up to 4 computers. Included; 1 x small green computer linear power supply 5v 25W, including main power cord and umbilical power cord. 1 x Trendnet gigabit switch TEG-S51SFP. Has 1 SFP fiber port and 4 RJ45 Ethernet ports 1 x TP-Link 220L gigabit ethernet media converter. Has 1 SFP fiber port and 1 RJ45 port 1 x 80 inch fiber optic cable 2 x Finisar SFP modules. You supply the ethernet cable connection to your router, into the tp-link and up to 4 ethernet cables connecting devices to the Trendnet switch. Shipping at buyer’s expense is possible, although I do not have the original boxes. Cash or EMT. Thanks