The RP-66 is a rack-mount HDMI and Intercom I/O Distribution Rear Panel that can be installed into the OBV-2800+CCU-100OB VAN Studio System to provide up to four 5-PIN XLR Intercom connectors and three HDMI input ports.
The power is supplied from the RP-65 and the main power connector of the RP-66 is in turn divided into three internal sub power connections. Please refer to the system diagram for details on the physical connection.