TRENDnet’s 4-Port USB to Serial RS232 Hub, model TU-S4, allows users to conveniently connect up to four RS232 serial devices, such as a modem or printer, to a USB port on your desktop PC or laptop. The USB to serial adapter supports both Windows® and Mac® operating systems. Integrated cables provide setup flexibility and accommodates most installation scenarios.<br><br>USB<br>This hub uses the widely supported USB standard to connect RS232 serial devices to your computer.<br><br>RS232 Serial Connector<br>This hub has four RS232 serial connectors that allow you to connect multiple devices at the same time.<br><br>Cable<br>This hub comes with a flexible 1m (3 ft.) USB cable that provides setup flexibility and accommodates most installation scenarios.<br><br>Easy Setup<br>This hub is easy to install and use. You just need to plug it into your computer and your RS232 serial devices.<br><br>Operating Systems<br>This hub is compatible with Windows® and Mac® operating systems. You can use it with various applications and drivers that support RS232 serial communication.