The IBM 9793-9405 BASE PCI 2-LINE WAN with Modem is designed to provide secure, reliable wide-area network (WAN) connectivity for IBM servers and workstations. This adapter features a PCI interface for easy installation and two integrated lines for WAN connectivity, offering redundancy and improved bandwidth for distributed networks. The built-in modem functionality ensures that even in environments lacking broadband infrastructure, remote connectivity is still possible via traditional telephone lines, making it an ideal solution for businesses with branch offices in remote locations. This dual-purpose adapter combines the functionality of a WAN interface card and a modem, reducing the need for separate devices and simplifying the network setup. It supports various WAN protocols and services, ensuring compatibility with a wide range of network configurations and providing a versatile solution for secure data transmission across long distances.