The NCS 4200 48X T1/E1 CEM Line Card is designed for high-performance networking applications. With integrated support for T1/E1 connections, this line card enhances the capabilities of your networking infrastructure. Please note that a patch panel is required for proper installation and optimal performance.
Cisco NCS4200-48T1E1-CE= NCS 4200 48X T1/E1 Line Card