Cisco Systems is the worldwide leader in networking for the Internet. Cisco's Internet Protocol-based (IP) networking solutions are the foundation of the Internet and most corporate, education, and government networks around the world. Cisco provides the broadest line of solutions for transporting data, voice and video within buildings, across campuses, or around the world.This cable is specific to the dual-serial port WAN interface cards and features Cisco's compact, high-density Smart Serial connector to support a wide variety of electrical interfaces when used with the appropriate transition cable.