ATEN 4-Port USB-to-Serial RS-232 Hub

OverviewThe ATEN USB-to-Serial RS-232 Hub provides an external plug-and-play RS-232 serial connection for computers, notebooks, laptops, and handheld computing devices that support the USB specification. It provides a quick, simple, and cost-effective solution and is ideal for various communication and automation applications.ATEN provides 4 models in this series: 2/4-Port USB-to-Serial RS-232 Hub; 2/4-Port USB-to-Serial RS-422/485 Hub.Package Contents1x USB-to-Serial Hub1x USB Cable1x Installation Disk1x User InstructionsFeaturesEasy way to add 4 RS-232 serial portsFully compliant with USB 1.1; USB 2.0 compatibleSupports RS-232 serial interfaceSupports automatic handshake modeUp to 115.2 Kbps data transfer rate for each serial portDual data buffers for each upstream and downstream data transferNo IRQ, DMA, I/O address resources requiredSupports hot-swapping and plug-and-playBuilt-in 16KV ESD protectionSupports both bus power and external powerWorks with cellular phones, PDAs, digital