Brand: Cisco · SKU: N520-4G4Z-A · MPN: N520-4G4Z-A · Category: Components
The Cisco Network Convergence System (NCS) 520 is a next-generation Layer 2 and Layer 3 capable, MEF 3.0 Certified, network demarcation device for service providers. It features 4x GE (Gigabit Ethernet) ports and 4x 10GE (10 Gigabit Ethernet) ports, acting as a 10 Gigabit Ethernet demarcation point between the customer LAN and a service provider's mobile and cloud applications. It supports standards-based demarcation defined by the Metro Ethernet Forum (MEF) for Carrier Ethernet services such as ELINE, ELAN, E-Tree, Access E-Line, and Transit E-Line, with Quality of Service (QoS) capabilities. The device runs on Cisco IOS XE Polaris software. Some sources also describe a variant (N520-X-4G4Z-A) with 4x 1G SFP access ports and 4x 10G SFP+ uplinks, hardened for industrial temperature and AC-powered. The base commercial model typically supports AC power at 120/230 V (50 - 60 Hz).
| Power | AC 120/230 V (50 - 60 Hz) (Commercial model) |
|---|---|
| Interfaces | 4 x GE (RJ-45 or SFP/SFP+ depending on exact sub-model), 4 x 10GE (SFP+) |
| Form Factor | Rack-mountable, 1U |
| Layer Support | Layer 2 and Layer 3 capable |
| Operating System | Cisco IOS XE Polaris |
| MEF Certification | MEF 3.0 Certified |
| Networking Protocol | Gigabit Ethernet, 10 Gigabit Ethernet |
| Warranty | 90 days (Manufacturer Warranty reported by one source) |
| Weight | 6.22 lbs (Commercial model) / 3.80 KGS (Other variant) |
| Dimensions | 12.2 in x 9 in x 1.8 in (WxDxH) (Commercial model) |
The Cisco NCS 520 (N520-4G4Z-A) is a compact, MEF 3.0 certified network demarcation device designed for service providers, offering a mix of 1GbE and 10GbE ports. It enables standards-based Carrier Ethernet services with advanced QoS, Layer 2/Layer 3 functionality, and supports Zero-Touch Provisioning (ZTP).
Yes, this Cisco NCS 520 4 x GE + 4 x 10GE COMMERCI (N520-4G4Z-A) (N520-4G4Z-A) is 100% genuine Cisco hardware. All our products are verified by certified technicians and come with clean serial numbers ready for service contract registration.
This Cisco NCS 520 4 x GE + 4 x 10GE COMMERCI (N520-4G4Z-A) includes our standard 3-Year Warranty covering all manufacturing defects. We also offer advanced replacement options for minimal downtime.
We offer free ground shipping which typically takes 3-5 business days. Expedited shipping options are available at checkout for faster delivery.
Yes, we have a 30-day return policy on all products. Restocking fees may apply for opened items. Please see our return policy for complete details.
Please check the specifications tab for detailed compatibility information. Our technical team is available to assist with compatibility questions for the N520-4G4Z-A.