The R2D7IPtoSerial works in tandem with the ESI R2D7 Crestron Home Driver. It helps to manage the communication with the R2D7.  Each instance of the R2D7IPtoSerial will manage the communication on a single COM Port. Each instance should have a unique TCP port. The ESI R2D7 driver is part of the ESI R2D7 Crestron Home Driver package.