The Cisco NIM-4MFT-T1/E1 is a Network Interface Module designed for Cisco 4000 Series Integrated Services Routers. It provides four ports for T1/E1 connections, supporting both data and voice applications. This module offers flexibility by combining WAN interface, voice interface, and ISDN Primary Rate Interface (PRI) functionalities. It’s used to integrate T1/E1 connectivity into Cisco routers, enabling various communication services.
