Cisco 48 X T1/E1 CEM Interface ModuleCisco 48 X T1 E1 CEM Interface Module The Cisco 48 X T1 E1 CEM Interface Module is engineered to elevate your network infrastructure with dense, flexible, and reliable connectivity. Built for demanding enterprise and service provider environments, this module delivers high density T1 E1 interfaces that integrate seamlessly with the Cisco NCS 4200 Series. Designed to support circuit emulation and complex interconnectivity, it enables scalable traffic