Hello, I used your company products before. The lift access controller is installed through the Rs485 communication converter, and we have learned that your company can use TCP switching methods of communication. Please provide a more details and let me refer to how to connect, thank you!

Hello, thank you for purchasing our products and your attention to our company, here is the elevator access controller using TCP/IP communications wiring diagram, hope can help you. If there are any problems, welcome to have free call at: 400-688-6663.