Standard DB9 COM port pinout: pc(host) with usb to RS232 terminal device(slave) 2- RXD(yellow), 3-TXD(orange),5-GND(GND), 7-RTS(green),8-CTS(brown), 1/4/6/9-NC USB to db9 male serial port cable allows you to connects a PC without serial port to a serial device because it adds a 9 pin DB9 port to laptop or desktop via USB port Portable USB-Powered design requires no bulky power adapter with superior performance, offering an easy connectivity for serial plug devices Built as FTDI serial cable for Windows 10, 8, 7, Mac OS etc USB male to serial male cable is designed with a high performance quality processor chip (FTDI Chipset) that makes this USB to RS232 converter one of the most reliable adapters on the market Integrated FTDI USB UART Chip Baud Rate up to 12Mbps 1.8meter USB 2.0 to RS232 DB9 serial cable (male to female) is long enough for your devices to reach to a place needed (standard pinout: pin 2- RXD, Pin 3- TXD, Pin 5 - GND) See more

Integrated FTDI USB UART Chip;Baud Rate up to 12Mbps, Please intall the FTDI driver before usage . FTDI website download: https://ftdichip.com/drivers/vcp-drivers/. Made by usangreen, Not FTDI Company. USB to Standard Com D-SUB Serial Port RS232 Serial Adapter, Support Win7/8/10/2000/XP/ANDROID/VISTA/WINCE/LINUX. USB to db9 male serial port cable allows you to connects a PC without serial port to a serial device because it adds a 9 pin DB9 port to laptop or desktop via USB port. This is DB9 Male Pinout , Please keep your attention special, the cable's TXD,it reflects to RXD of device, The cable's RXD,It reflects to TXD of device, CTS reflects RTS of device, RTS Reflects CTS of device. Standard DB9 COM port pinout: pc(host) with usb to RS232 terminal device(slave),2- RXD(yellow), 3-TXD(orange),5-GND(GND), 7-RTS(green),8-CTS(brown), 1/4/6/9-NC.