The USB2-SERIALQUAD is a USB (Universal Serial Bus) to Serial RS-232 Cable provides 4 RS-232 Serial (DB-9 male) connectors via one standard USB (Universal Serial Bus) port. You can instantly enjoy connectivity with your Modem PDA POS or other serial devices on your PC or Mac without the hassle of opening your computer case. It provides a quick simple & cost-effective solution & is ideal for various communication & automation applications. Specification Compatible with USB (Universal Serial Bus)
Specification v 1.1 & v 2.0 (Full-Speed) Supports 2/4 port Serial ports at the same time. Supports all common RS-232 Serial Port. Automatic USB (Universal Serial Bus) Protocol handling. Supports remote wake-up & power management.USB bus powered no external power supply required. System Requirements: Available USB (Universal Serial Bus) port Windows 2000 Windows XP Windows Vista Windows 7 (32 & 64-bit) Mac 10.4/5