Looking for a way to connect your serial devices to a USB port on your PC. The Keyspan "High Speed" USB Serial Adapter is a simple inexpensive and reliable way to make this connection. The Adapter is ideal for use with modems digital cameras ISDN terminal adapters graphics tablets PDAs bar code scanners label printers and other serial devices which require an RS-232 connection. This "High Speed" USB Serial Adapter supports data rates up to 230 Kbps - twice the speed of a standard PC serial port. It is 100% USB compliant and features simple "Plug and Play" installation no IRQs . Ideal for laptops it weighs just 2 oz. the Adapter draws its power from the USB connection so no power adapter is required.Primary InformationCabling Type : Serial Form Factor : External Networking Interface : USB Data Link Protocol : RS-232 Data Transfer Rate : 230 Kbps Connectivity Technology : Wired Networking Type : Serial adapter ExpansionInterfaces & Connections : 1 x serial - RS-232 - 9 pin D-Sub DB-9 UNSPSC CodeUNSPSC Code : 43201404