As a world leader in the high speed access and optical transport market, Alcatel is a major player in the area of telecommunications and the Internet. With its expertise in communications systems, its line of products and services as well as its strong global presence, the company can anticipate its customers' needs, from operators and Internet services providers to businesses and consumers. Alcatel builds next generation networks, delivering integrated end-to-end voice and data networking solutions to established and new carriers, as well as enterprises and consumers worldwide.??This 5052 Base Unit redundancy package includes: Base unit 5052 chassis, EMM with one unpopulated GBIC port, ARL4 256K entries for Forwarding Database Table, Switch Fabric, 2 DC Power Supplies, Secondary EMM, Redundant Power Supply, System Memory and software.