Get on Amazon.com : http://www.amazon.com/gp/product/B006V38CJQ?tag=clothingattes-20<br /><br />StarTech ICUSB23216F 16 Port Rackmount FTDI USB to Serial COM Adapter Hub - RS232 Multiplexer<br /><br />Extended hardened operating temperature range allows the device to remain operational in harsh conditions <br />Adding 16 ports using a single USB port delivers maximum control of several RS232 serial devices without having to purchase multiple IO cards <br />Rack-mountable all-metal chassis for durability in industrial environments <br />16 RS232 interfaces through a single USB port <br />9216 Kbps baud per port <br />256-byte transmit 128-byte receive FIFO