The StarTech.com ICUSB232C2 2-port USB to DB9 RS232 serial adapter cable lets you connect up to two DB9 RS232 serial devices simultaneously to your Mac or PC laptop or desktop computer through a USB port, as though the computer offered an onboard DB9M connector.
USB to 2-port straight-through RS232 serial adapter
Easy plug-and-play installation
Bus powered, no external power adapter required
Fully compliant with USB 1.1 specifications
Simple installation and operation provides robust serial connectivity to legacy PCs
Drawing power from the USB bus saves the hassle of carrying an external power adapter for this add-on serial port
Extensive list of compatible operating systems makes this device perfect for almost any RS232 application
Applications
Perfect for IT administrators looking to add legacy functionality to newer notebooks, PCs and servers that lack an integrated RS232 port
Connect, monitor and control industrial/automotive sensors and equipment
Connect bar code scanners, receipt printers and other point of sale devices
Connect a satellite receiver, serial modem, or PDA with serial sync
Connect and program LED and Digital signage boards with serial communication ports