The PSU22/1 is the UMD power supply unit. A single serial connection from a Controller provides UMD data and the signal is distributed along with power to up to 96 UMD via the RJ45 connections on the back.
“The flexibility of Tallyman is one of the keys to QVC’s new facility. Tallyman’s touch screen control panel provides what QVC wanted right from the beginning with the push of a single button.”
Andy Appleyard, Project Manager, TSL Systems