Use legacy serial devices with USB PCs and laptops. Adds a COM port to your USB PC. USB 1.0, 1.1, and 2.0 compatible (12 Mbps) Full handshake support (TD, RD, RTS, CTS, DTR, DSR, DCD, RI, GND). DB9 male (DTE) . Baud rates up to 460 Kbps. DB9 female or terminal block. Supports TDA, TDB, RDA, RDB, GND. Baud rates up to 921 Kbps. Use on RS-485 2-wire or RS-485 4-wire networks. Supports Send Data Control (SDC) •Includes 1 meter USB cable.