Cisco
Cisco NCS 520 20xGE + 4x10GE Carrier Ethernet Access Device N520-20G4Z-A
PO and Net 30 accepted for schools, government and healthcare.
Description
Description
Save significantly over new pricing on this refurbished Cisco NCS 520 (N520-20G4Z-A) — a next-generation Carrier Ethernet network demarcation device built for service providers. Backed by Reef Telecom's industry-leading 10-year warranty with free shipping on orders over $300.
Key Specifications
- Ports: 20x Gigabit Ethernet + 4x 10 Gigabit Ethernet (24 total ports)
- Layer Support: Layer 2 and Layer 3 capable
- Certification: MEF 3.0 Certified for Carrier Ethernet services
- Software: Cisco IOS XE Polaris
- Form Factor: 1RU rack-mountable, front-to-back airflow
- Power: AC power, commercial temperature rated, 110W max
- Provisioning: Zero-Touch Provisioning (ZTP) for rapid touchless deployment
- Licensing: Smart License and PAK license support
Carrier Ethernet Services
The Cisco NCS 520 supports MEF 3.0 service initiation including E-LINE, E-LAN, E-Tree, Access E-Line, and Transit E-Line with hierarchical Quality of Service (QoS), ingress traffic policing, and egress shaping to enforce SLAs.
Service Assurance & OAM
Built-in Operations, Administration, and Maintenance (OAM) capabilities include 802.1ag Connectivity Fault Management (CFM), Y.1731 performance monitoring, and Y.1564 service turn-up testing — reducing OpEx and eliminating costly truck rolls.
Why Buy Refurbished from Reef Telecom?
- 10-year warranty — the longest in the industry
- Free shipping on orders over $300
- Fully tested and inspected to OEM standards
- Significant savings vs. new list price
- Environmentally responsible — extend the equipment lifecycle
Ideal for service providers deploying Carrier Ethernet access, enterprise WAN demarcation, and managed Ethernet services at customer premises.
Specs & Details
Specs & Details
- Condition
- Certified Refurbished
- Warranty
- 10-Year Reef Telecom Warranty
- Manufacturer Part Number
- N520-20G4Z-A
- Reef SKU
- N520-20G4Z-A-R
- UPC
- 821456245599
- Brand
- Cisco
Shipping & Warranty
Shipping & Warranty
Free ground shipping on orders over $300 (contiguous US). Same-day dispatch on orders placed before 4 PM EST.
All products include our industry-leading 10 Year Warranty backed by Reef Telecom.
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With your purchase, you’ll join a community of proactive merchants and customers dedicated to a sustainable future. Together, we've removed emissions for over 87 million deliveries and removed over 60 thousand tonnes of carbon.
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