The input/output controller shares the system memory functions and the environmental monitoring functions with the network processing engine or network services engine in the Cisco 7200 series routers and Cisco uBR7200 series routers such as Cisco uBR7200 series universal broadband routers, consisting of the six-slot Cisco uBR7246VXR and Cisco uBR7246 (two port adapter slots and four cable modem card slots) and the three-slot Cisco uBR7223 (one port adapter slot and two cable modem card slots).