{"product_id":"cisco-ncs-520-20xge-4x10ge-carrier-ethernet-access-device-n520-20g4z-a-refurbished","title":"Cisco NCS 520 20xGE + 4x10GE Carrier Ethernet Access Device N520-20G4Z-A - Refurbished","description":"\u003cp\u003eSave 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.\u003c\/p\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePorts:\u003c\/strong\u003e 20x Gigabit Ethernet + 4x 10 Gigabit Ethernet (24 total ports)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLayer Support:\u003c\/strong\u003e Layer 2 and Layer 3 capable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertification:\u003c\/strong\u003e MEF 3.0 Certified for Carrier Ethernet services\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoftware:\u003c\/strong\u003e Cisco IOS XE Polaris\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm Factor:\u003c\/strong\u003e 1RU rack-mountable, front-to-back airflow\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e AC power, commercial temperature rated, 110W max\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProvisioning:\u003c\/strong\u003e Zero-Touch Provisioning (ZTP) for rapid touchless deployment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLicensing:\u003c\/strong\u003e Smart License and PAK license support\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCarrier Ethernet Services\u003c\/h3\u003e\u003cp\u003eThe 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.\u003c\/p\u003e\u003ch3\u003eService Assurance \u0026amp; OAM\u003c\/h3\u003e\u003cp\u003eBuilt-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.\u003c\/p\u003e\u003ch3\u003eWhy Buy Refurbished from Reef Telecom?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e10-year warranty — the longest in the industry\u003c\/li\u003e\n\u003cli\u003eFree shipping on orders over $300\u003c\/li\u003e\n\u003cli\u003eFully tested and inspected to OEM standards\u003c\/li\u003e\n\u003cli\u003eSignificant savings vs. new list price\u003c\/li\u003e\n\u003cli\u003eEnvironmentally responsible — extend the equipment lifecycle\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIdeal for service providers deploying Carrier Ethernet access, enterprise WAN demarcation, and managed Ethernet services at customer premises.\u003c\/p\u003e","brand":"Cisco","offers":[{"title":"Default Title","offer_id":49033695035648,"sku":"N520-20G4Z-A-R","price":3722.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/cisco-ncs-520-20xge-4x10ge-commercial-temp-ac-power-n520-20g4z-a-refurbished-n520-20g4z-a-r-reef-telecom-83601.webp?v=1784563070","url":"https:\/\/alotechparts.com\/products\/cisco-ncs-520-20xge-4x10ge-carrier-ethernet-access-device-n520-20g4z-a-refurbished","provider":"Alo Tech Solutions","version":"1.0","type":"link"}