USB to RS485/RS232 Converter CH343G Industrial Serial Port Module Adapter UK
A+TXD: RS485 connected to A, RS232 connected to RXD. B-RXD: RS485 to B, RS232 to TXD. Transmission mode: point-to-point (up to 32 nodes, with a maximum of 16 nodes. Product type: Industrial grade USB to RS485/232 converter. ).