Hello, I purchased a consumption machine, time attendance access controller, access control board from your company, the devices all use Rs485 communication mode, in the case of this device, how is the 485 line arranged? Please provide the connection diagram ,Thank you

Hello, thank you for purchasing our company's access control products, you can refer to the following pictures for 485 line layout

If you encounter something that you don’t understand when connecting, please add my QQ, and I will give you guidance: QQ 2880150932