Cisco 72-Port FXS Double-Wide Service ModuleThe Cisco 72 Port FXS Double Wide Service Module is a high density, plug in solution engineered for demanding data networking environments where scalable voice signaling and rapid data transfer are essential. This 72 port FXS module is designed to deliver reliable performance across large campuses, data centers, and service provider deployments, offering a compact double wide form factor that maximizes port density without compromising manageability.