8 X 24-Channel Programmable Station-Assignment Panel - Stores 14 presets - Expandable up to 15 X 72 (6 units) Rack mount (2RU) - Assigns 24 destination paths to one of eight partyline channels RCS-2700 is ideal for medium to large installations where channel assignments to remote stations frequently change. 8 master channel "sources" can be assigned to any 24 remote station "destinations", and additional RCS-2700 units can be connected for up to 15 sources and 72 destinations. It can store 14 presets.