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No. 1974	Re: CSE-H22N2 peer-to-peer connection	2025-03-04

Dear Marius Kleinbach, Thank you for the inquiry. It seems that you are planning to set up a serial tunneling application: https://www.eztcp.com/en/applications/serial-tunneling The CSE-H55N2 does not require specific addresses for sending or receiving serial messages, and transmits RS485 data 1:1 over Ethernet. This ensures that the RS485 signal input to the first converter is identically reproduced at the output of the second converter, regardless of the data format. For general use cases, the CSE-H55N2 should work well for your photovoltaic inverter application. However, if your application uses a time-sensitive protocol like Modbus RTU, you may consider our Modbus Gateway, SMG-5420, instead: SMG-5420 Product Page: https://www.eztcp.com/en/products/smg-5420 Modbus RTU depends on precise timing between messages. The SMG-5420, designed specifically as a Modbus gateway, maintains the protocol's timing requirements, making it more reliable for such applications. We hope the above is helpful to you. Please feel free to let us know if you have any questions. Thank you very much. Best Regards > Marius Kleinbach wrote: > ------------------------------------ > Dear Sollae Support Team, we plan on using two CSE-H55N2 RS485 to Ethernet converters to transmit a specific RS485 signal for a photovoltaic inverter via ethernet. We wanted to make sure that the CSE-H22N2 does not require specific addresses for sending and receiving serial messages. Are the data packages transformed and sent 1:1? Meaning, is the message output by the second converter identical to the recieved RS485 signal of the first converter, regardless of the format? Thank you in advance. Marius Kleinbach Planning Engineer PV Energiegewinner Technik

Writer	Sollae Systems	Company