TRENDnet TU-S4, 4-Port USB to Serial RS232 Hub, Black

INTERFACE: Connect four RS232 serial devices, such as a modem, to a USB port on your computer NDAA COMPLIANT: With our NDAA compliant 4-Port USB to Serial RS232 Hub, you can plan and install networking solutions that Government customers demand today (U.S. and Canada Only) MANUFACTURER PROTECTION: We stand by the quality of our products.The TU-S4 4-Port USB to Serial RS232 Hub is backed and supported with 2 years of TRENDnet Manufacturer Protection. RELIABLE TECH SUPPORT: Our team of advisors, support and tech experts are English speaking, and available for all your needs during normal business hours. We take pride in being there for our customers. CABLE: Includes one flexible 1m (3 ft.) USB cable, accommodates most installation scenarios. OPERATING SYSTEMS: The USB to serial adapter is compatible with Windows and Mac operating systems USB:The USB to serial adapter supports USB 2.0 and it is compatible with USB 3.0 and USB 1.1 ports.