The TJ1400 series of Aggregation and Core Service Routers are Telecom Grade systems that deliver carrier-class Ethernet, MPLS and IP capabilities to realize converged, multi-service Packet Networks. High availability is critical at Aggregation and Core layers and the modular construction with redundancy and hot-swap ability of various functional modules (Controllers, Fabrics, Line Cards, Power Modules, Fan), full front access, half-depth for back-to-back mounting in 19” racks are key benefits. With a choice of Gigabit, 10G and 40/100G interfaces large amounts of Mobile Backhaul, Broadband, IPTV and Enterprise VPN services can be supported. Synchronization via Sync-E and 1588v2 allow these to be used in Mobile Backhaul and will be useful in upcoming 5G rollouts. Legacy interfaces like E1/DS1, E3/DS3, SDH/SONET are also supported as clients for transport and service interface.