StarTech 4 Port USB to RS232 Serial DB9 Adapter Hub

This 4 Port USB to RS232 Serial Hub lets you connect up to four RS232 serial devices to your Mac or PC laptop or desktop computer through a single USB port, as though the computer offered built-on DB9M serial connectors. The RS232 Serial Hub is compactly designed to preserve valuable workspace and is bus-powered to eliminate the need for an external power adapter. A cost-effective solution that bridges the compatibility gap between modern USB-capable computers and legacy RS232 serial peripherals, this dependable USB/RS232 Serial Adapter hub is backed by StarTech's Lifetime Warranty.• Bus powered, no external power adapter required • Easy Plug-and-Play installation • Fully compliant with USB 1.1 specifications and compatible with USB 2.0 • Provides you with four additional Straight-Through RS232 serial ports Advantage • Add four additional RS-232 serial ports to any computer with a free USB port • Provides serial connectivity to legacy free systems lacking RS-232 serial ports • Supports wakeup and power management modes Applications • Connect modems, digitizer tablets, mice, bar code scanners, GPS receivers, ISDN terminal adapters, mobile phones, scanners, UPSes and POS equipment to your system • Connect and program LED and Digital signage boards with serial communication ports