PlugLink 9650 Utility is a software program developed by Asoka USA.The low level ethernet communication carrier is superimposed on the AC wiring system of your house or business giving you access from wherever there is an AC outlet. They are an excellent method to obtain an in-house lan without having to rewire your house or office. I have (4) of the Asoka PlugLink 9650 Ethernet adapters installed.This may prevent the unit from working properly or degrade the network performance. PlugLink 9650 Ethernet Adapter PL9650-ETH of 26 Chapter 5 Installing the PlugLink 9650 Ethernet Adapter Note: Do not connect the PlugLink 9650 Ethernet Adapter into a power strip, extension cord, uninterruptible power supply (UPS), or surge protector.