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-NCUSB 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 portPortable USB-Powered design requires no bulky power adapter with superior performance, offering an easy connectivity for serial plug devicesBuilt as FT232RL serial cable for Windows 10, 8, 7, Mac OS etcUSB male to serial male cable is designed with a high performance quality processor chip (FT232RL Chipset) that makes this USB to RS232 converter one of the most reliable adapters on the marketIntegrated FT232RL USB UART ChipBaud Rate up to 12Mbps 1.8 meter 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)