Key Features
The Cisco NCS 520 Series (N520-X-4G4Z-A) is a compact, industrial-temperature hardened access router designed for MEF 3.0 Certified Carrier Ethernet demarcation. It provides a mix of 1G SFP access ports and 10G SFP+ uplinks, supporting Layer 2/Layer 3 Carrier Ethernet services with features like advanced QoS, security (Secure Boot), and automation via ZTP and model-driven operations.