Unitek USB 2.0 To RS422/RS485 Converter Features: - With a DB-9 port, the Y-1082 is able to fit for both RS422 and RS485 devices - The Y-1082 has a 384 byte receive buffer with an adjustable timeout and a 128 byte transmit buffer with auto transmit control, to provide multi-point or multi-drop function - The Y-1082 makes it easier to add RS422/RS485 devices to your system with easy plug and play - Computer Interface: USB1.1 and 2.0 Plug and Play - Operational system virtual serial port driver Specifications: Package Contents - USB2.0 to RS422/RS485 Converter and Module:1 - Driver CD :1 Weight and Dimensions: - Weight: 8.0kg - Dimensions: 540x390x300 mm Please Note: This is the male version What's in the box 1x USB 2.0 To RS422/RS485 Converter