This applies to the previous driver. This does not apply to the updated driver found in Drivers > Platform > Somfy > URTSI.
The SomfyIPtoSerial works in tandem with the Somfy URTSI II Crestron Home Driver. It helps to manage the communication with the URTSI II. Each instance of the SomfyIPtoSerial will manage the communication on a single COM Port. Each instance should have a unique TCP port. The SomfyIPtoSerial Driver is part of the Somfy URTSI II Crestron Home Driver package.