SKU: 79941392949

Extreme Networks 9920 DC Power Supply 1600W Front-Back

Sale price$2958.94 Regular price$3287.71
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Description

Extreme Networks 9920 DC Power Supply 1600W Front-BackExtreme Networks 9920 DC Power Supply 1600W Front Back The Extreme Networks 9920 DC Power Supply 1600W Front Back is a premium, rack ready power solution engineered to keep Extreme Networks 9920 switches operating at peak performance in demanding data center environments. This 1600W DC power supply delivers reliable, continuous power with a compact front back design that makes installation and maintenance straightforward in dense rack layouts. Built

Extreme Networks 9920 DC Power Supply 1600W Front-Back

The Extreme Networks 9920 DC Power Supply 1600W Front-Back is a premium, rack-ready power solution engineered to keep Extreme Networks 9920 switches operating at peak performance in demanding data center environments. This 1600W DC power supply delivers reliable, continuous power with a compact front-back design that makes installation and maintenance straightforward in dense rack layouts. Built for reliability, efficiency, and easy serviceability, it’s the ideal choice for network operators who demand uninterrupted connectivity, minimal downtime, and scalable power for growing deployments.

With its front-back orientation, this power supply simplifies access for installation and upgrades in crowded racks, enabling technicians to service or swap units without disrupting adjacent equipment. The hot-swappable capability minimizes maintenance windows, allowing teams to replace a failing unit while the system remains online. In addition to providing robust power delivery, the supply includes integrated protection features that shield connected devices from surges, over-current events, shorts, and thermal risks, helping to extend the life of critical network infrastructure.

Designed to align with industry best practices for data-center-grade hardware, the 9920 DC Power Supply emphasizes efficiency and reliability. Its architecture minimizes energy waste, reduces heat load, and supports redundant configurations that are common in high-availability networks. When paired with compatible Extreme Networks equipment, it enables sophisticated power management and seamless failover, ensuring the network remains resilient even in the face of component-level faults. This makes it an excellent fit for enterprise campuses, data centers, and service-provider environments that require robust, continuous power delivery for core networking infrastructure.

Beyond raw power, this supply is designed for easy integration with the Extreme Networks 9920 family. It supports monitoring and status reporting through standard management interfaces, enabling proactive maintenance and rapid fault isolation. Network administrators can rely on real-time visibility into power availability, thermal conditions, and health indicators, helping to optimize uptime, improve mean time to repair (MTTR), and drive operational efficiency across the network operations center.

Whether you’re upgrading an existing chassis, expanding capacity to accommodate growth, or building a new data center deployment, the 9920 DC Power Supply 1600W Front-Back is engineered to deliver dependable, scalable power that aligns with modern IT demands. It combines a rugged, serviceable form factor with intelligent protection and compatibility with Extreme Networks’ ecosystem, delivering a power solution that protects your investment while simplifying maintenance and lifecycle management.

  • High-capacity power delivery: Provides up to 1600W of DC power for continuous operation of Extreme Networks 9920 platforms, supporting stable performance for demanding workloads and high-traffic networks.
  • Front-back design for flexible deployment: Optimized for dense rack installations, enabling easy installation, servicing, and reduced cabling complexity in tight spaces.
  • Hot-swappable and field-replaceable: Facilitates quick maintenance with minimal downtime, keeping critical networks online while replacements are performed.
  • Built-in protections for equipment safety: Integrated over-current, short-circuit, over-temperature, and fault protection safeguard the power path and connected devices.
  • Seamless integration with Extreme Networks management: Delivers status, health, and alert information through compatible management interfaces for proactive monitoring and rapid troubleshooting.

Technical Details of Extreme Networks 9920 DC Power Supply 1600W Front-Back

  • Power Output: 1600W DC power supply designed for Extreme Networks 9920 systems.
  • Form Factor / Orientation: Front-Back configuration optimized for dense rack deployment and easy service access.
  • Type: DC power supply unit (compatible with the Extreme Networks 9920 platform).
  • Compatibility: Designed to integrate with Extreme Networks 9920 switches and related chassis hardware.
  • Protection & Reliability: Includes protection mechanisms (over-current, over-voltage, short-circuit, and thermal safeguards) and supports redundant configurations for high availability.

How to Install Extreme Networks 9920 DC Power Supply 1600W Front-Back

Installing the Extreme Networks 9920 DC Power Supply 1600W Front-Back is straightforward and designed to minimize downtime while maximizing reliability. Follow these general steps to ensure a proper installation. Always refer to your specific model’s service guide for precise instructions and safety requirements.

  • Power down the chassis and disconnect all power sources before handling the new supply to ensure a safe installation environment.
  • Open the appropriate chassis or rack enclosure access panel to reveal the power supply slots and align the new supply with the backplane connectors.
  • Gently slide the 9920 DC Power Supply into its slot until it locks securely in place with an audible click, indicating a proper connection.
  • Attach any required DC input cables following the manufacturer’s wiring standards and ensure all connections are firmly tightened and properly insulated.
  • Power on the chassis and verify the supply’s status indicators through the management interface. Confirm that the unit is reporting healthy power delivery and that redundancy configurations, if present, are active.

Frequently Asked Questions

  • What is the primary function of the Extreme Networks 9920 DC Power Supply 1600W Front-Back? It delivers reliable, high-capacity DC power to Extreme Networks 9920 devices, enabling stable operation, high availability, and scalable performance for data-center and enterprise networks.
  • Is the power supply hot-swappable? Yes. The Front-Back design supports hot-swapping, allowing maintenance or replacement with minimal downtime.
  • What kind of protection does it include? It provides comprehensive protection features such as over-current, short-circuit, over-temperature, and fault protection to safeguard the connected equipment and the power path.
  • How does this power supply fit into a redundant configuration? It is designed to work in redundant configurations with compatible Extreme Networks hardware, enabling failover and increased availability for critical networks.
  • How do I monitor the power supply status? The supply integrates with the Extreme Networks management ecosystem, offering real-time status, health indicators, and alert notifications through the device’s management interface.
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SKU: 79941392949

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4.7 ★★★★★
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Product Reviews
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Verified Purchase
Wilbur F. Pierce
Louisville, US
★★★★★ 5
An Excellent Choice
Format: Paperback
Excellent introduction, notes and translation.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 8, 2017
D
Verified Purchase
David Lemberg
Alexandria, US
★★★★★ 5
Five Stars
Format: Paperback
Professor Cornford's translation with running commentary is definitive.
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Reviewed in the United States on November 5, 2015
J
Jordan Bell
Alexandria, US
★★★★★ 5
Plato's dialogue about the physical world
Format: Paperback
The two biggest topics in the Timaeus are astronomy and the elements of bodies, which are constructed using triangles and the tetrahedron, octahedron, icosahedron, and cube. I would like to see a translation of the Timaeus that uses it as a way to introduce all the astronomy that appears in the dialogue. Introducing the astronomy does not mean just talking in words about spheres or the zodiac or the ecliptic, but actually explaining how these were used by astronomers. Cornford has much to say, but to someone who has not learned any Greek astronomy his commentary will be opaque and hard to use. I didn't know the astronomy well enough to readily understand Cornford's explanations. I plan to learn more classical Greek astronomy, perhaps using Evans' , and then read Waterfield's translation of the Timaeus . Before reading this you should have read the Republic and know some classical Greek natural philosophy, mathematics, and astronomy. Although Cornford's commentary makes the dialogue staccato, I am glad for it because I wouldn't otherwise have understood much of what Plato says. The Timaeus and the Parmenides are the two dialogues of Plato that one needs commentary to understand; the Parmenides demands the commentary because so much of what is happening depends on the original language, and the Timaeus demands the commentary because of all the things the reader is supposed to be familiar with. The following is a list of topics I kept while reading the dialogue: theory of Forms 27d-28a, 51a-52a; harmonics 35b-36b; time 37c-38e, 39b-e; vision 45b-46c, 67c-68d; space 52b; surfaces 53c; weight 62d-63e; sound 67a-67c; physiology 70c-79e, 80d-86a; antiperistasis 79e-80c.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 12, 2015
S
Steve Lookner
Waukegan, US
★★★★★ 4
Helpful, but Waterfield is better for an intro
Format: Paperback
This is basically a scholarly paragraph-by-paragraph commentary on the Timaeus. It's really good for what it is, but I don't recommend it as your first introduction to the Timaeus -- rather, I recommend Waterfield: http://www.amazon.com/Timaeus-Critias-Oxford-Worlds-Classics-ebook/dp/B006NTMD16 A problem with using Cornford as an introduction is that he comments on everything, and it's hard to figure out what the main themes are. I tried reading Cornford as an intro and gave it up, but once I'd read Waterfield I found Cornford extremely helpful both in elucidating passages further than Waterfield does, and in interpreting passages Waterfield doesn't cover. So if you're looking to learn about the Timaeus, I'd suggest Waterfield first and Cornford second (or Cornford alongside Waterfield).
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Reviewed in the United States on February 24, 2014
B
Brian Chrzastek
Pawtucket, US
★★★★★ 5
Cornford's running commentary is arguably the best suited to fulfill this desire
Readers of any of Plato's works are bound to feel they might profit from various commentaries. His Timaeus, in particular, may be said to elicit such a hope because of number and intricacy of its details. Cornford's running commentary is arguably the best suited to fulfill this desire: it helps make clear the integrity of the dialogue as a whole and illumines the specific points along the way. Although this work is certainly dated, originally published in 1937, it is certainly one of the best full commentaries on the Timaeus.
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Reviewed in the United States on November 4, 2014

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