Cisco Digital Modem 0.5Mbit/s networking card

24 Port Digital Modem Network Module 56K The Cisco 3600, 3700, and 3800 Series comprise a product line of modular, multifunction access routers for medium and large-size offices and smaller Internet service providers (ISPs). With more than 70 modular interface options, the Cisco 3600, 3700, and 3800 Series provide solutions for voice and data integration, virtual-private-network (VPN) dial access, and multiprotocol data routing. Using Cisco voice and fax network modules, the Cisco 3600, 3700, and 3800 Series allow customers to consolidate voice, fax, and data traffic on a single network infrastructure. The high-performance, modular architecture of the Cisco 3600, 3700, and 3800 Series protects customers' investment in network technology and integrates the functions of several devices into a single, manageable solution.