US ROBOTICS 56K U SERIAL CTLRMODEM EXT SERIAL

56kbetA 56 kbits is a dital connection capable of carrying 56 kilobits per second (kbits), or 56,000 bits, the data rate of a classical single channel dital telephone in North America. Since the wide deployment of faster, cheaper technologies, 56 kbits s are gerally considered to be an obsolete technology.Package Contents: 5686G DataFax Modem; AC Power Supply Unit; RJ-11 Telephone Cable (7 ft) Quick Install Guide; CD-ROM; System Requirements: Available Serial Port