The RS-120 Series is 1RU Rack Mount system which houses swappable AV over IP extender, HDBaseT extender and computer modules and was designed for ever changing Pro-AV event applications. There are three models available in the series - RS-121, RS-122 and RS-123. Seven swappable AV Over IP extender, HDBaseT extender and computer modules are available to configure a variety of configurations. RS-120 series was developed to minimize installation time and effort while also providing a significant maintenance advantage by way of its ability to swap the transmitter, receiver, or computer modules in seconds.