USB to RS232 Serial Converter 9 Pin Adapter for Win7/8/10 is a module which interface serial DB9 connector to USB port. It is usually use to connect computer with DB9 port to transmit the data.
Features:
- Support remote wake-up and power management, and support RS232 serial interface( Db9)
- It allows you to use bridge or connectivity between the USB and serial port interface.
- Comes without cable
Compatible:
- for Windows 98/for SE/for ME/2000/for XP/for Vista/7/8/10
Specifications:
- Plug Type: USB 2.0 to 9 Pin Male RS232
- Color: Blue
- Interface: RS232
- Chipset: CH340
- Size (LxWxH): 67 x 37 x 17 mm
Package Includes:
- 1 x USB 2.0 to RS232 Chipset CH340 Serial Converter 9 Pin Adapter for Win7/8

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Maahesh Rautt –
seems to be good. let me try this first