FCD-T1LC managed access unit is used as rate and interface converter for E1/T1 and Fractional E1/T1 services. This unit supports a wide range of data rates and interfaces, enabling simple connectivity to external devices such as routers. As an option, the FCD-T1LC can support 10/100BaseT Ethernet interface modules with a built-in bridge or IP router, allowing LAN-to -LAN connectivity. The FCD-T1LC access unit is used in a wide variety of applications in which voice and data traffic are integrated over E1/T1 or fractional E1/T1 services. When used in conjunction with RAD