Provide fully functional gateway system kits that communicate with existing I/O modules and other parts installed in a swing frame-rack and hardwired as required to minimize replacement work time and resources. A swing frame-rack would be installed by LUMA on the existing RTU cabinet door. Vendor shall provide adapter/termination boards and Interposer Relay Modules to be installed by LUMA in cabinet walls for existing RTU field wiring connections. Adapter/termination boards and Interposer Relay Modules (in cabinet walls) shall be connected to I/O modules (in swing frame-rack) through ribbon cables.
