DB9 Female D-sub 9 Pin RS232 to RS485 Converter
Chipset:CH341
Pinout: A+,B-,GND
Supported OSWindows/Linux/Android/Mac, etc.
Note: Before the first time use the USB to TTL/RS485 adapter on your PC ,your must install VCP dirver,For the driver download and install ,please peference links:https://www.wch-ic.com/search?t=all&q=CH341
The CH341 Chip Features
1. Full speed USB device interface, USB 2.0 compatible.
2. Supports 5V and 3.3V power supply.
3. Optional: customize the vendor ID, product ID, serial number, etc. via an external low-cost serial EEPROM.
4. Low cost, convert the original serial port peripheral devices, the original print port printer, and theoriginal parallel port peripheral devices to USB directly.
5. RoHS compliant SOP-28, SSOP-20 and QFN28 lead-free package.
6. Only compatible with the applications, and cannot be absolutely the same.
7. Emulate standard UART interface, used to upgrade the original serial devices or expand additional UART via USB.
8. Original UART applications are totally compatible without any modification.
9. Hardware full duplex serial UART interface, integrated transmit-receive buffer, supports communicationbaudrates varies from 50bps to 2Mbps.
10. Supports 5, 6, 7 or 8 data bits and 1 or 2 stop bits, supports odd, even, none, mark, space parity.
11. Supports UART transmit enable, UART receive ready rate control signals and so on, and commonMODEM interface signals.
12. Provides further RS232, RS485, RS422 interface, etc. through external voltage conversion chip.
13. Supports access to the CH341 external serial EEPROM memory in UART communication.
