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.
“MPA1-MIX-NET’s design is informed by end-users in conjunction with global production experts NEP. One example is the “V”-shaped layout of the front panel controls which provide intuitive navigation that’s especially valuable fast paced environments like live production in an OB truck or PCR. The built-in ST 2022-7 network capability is another step forward. Additionally, NEP and TSL integration allows for remote configuration via our broadcast control system.”
Joseph Signorino, Vice President, Systems Integration & Design, NEP Broadcast Services