CISCO MODEM ADPT DB25M Cisco is the worldwide leader in networking for the Internet. Cisco provides the broadest line of solutions for transporting data, voice and video within buildings, across campuses, or around the world. Cisco solutions ensure that networks both public and private operate with maximum performance, security, and flexibility. This product is designed for Cisco 2500 series, including the access server series (Cisco 2509 through Cisco 2512).