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PWR-3900-DC

The Cisco PWR-3900-DC is a reliable DC power supply designed for Cisco 3900 Series routers, offering efficient power delivery and seamless integration—ideal for expanding or replacing components in enterprise network environments.

SKU: PWR-3900-DC Brand: Product ID: 126964
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Description

The Cisco PWR-3900-DC is a reliable and efficient DC power supply designed for Cisco 3900 Series Integrated Services Routers. Built for high-performance networking environments, this power supply ensures stable and consistent power delivery, making it ideal for enterprises requiring dependable network infrastructure. Its compact and durable design allows for seamless integration into existing setups, providing flexibility for various deployment scenarios. With hot-swappable capabilities, it minimizes downtime and enhances network resilience.

This DC power supply operates within a voltage input range of -40V to -72V DC, delivering the necessary power to support demanding networking tasks. Designed to meet Cisco’s high-quality standards, it offers energy efficiency and long-term reliability for extended operational use. The unit includes essential components such as power connectors and status indicators, allowing for easy monitoring and management. Compatible with Cisco 3925 and 3945 routers, it serves as a cost-effective solution for maintaining or upgrading network infrastructure.

Who We Are
 
ROC Telecom is a family-owned, Texas-based company specializing in helping businesses unlock value from their networking and telecom equipment. From routers and switches to optical gear and more, we provide a seamless solution for businesses looking to sell, recover assets responsibly, or buy quality-tested equipment at competitive prices.
 
What We Do
 
We make it easy to:
  • Sell Used Equipment: Get a quick, hassle-free quote and maximize the value of your old IT gear.
  • Buy Certified Networking Equipment: Access affordable, quality-tested equipment from top brands like Cisco, Juniper, Ciena, Fujitsu, Infinera and more.
Why Choose ROC Telecom?
  • Expertise You Can Trust: 15 years of experience in asset recovery and resale.
  • Sustainable IT Solutions: Reduce waste and support environmentally responsible practices.
  • Competitive Pricing: Fair, fast, and accurate valuations for all your equipment.
  • Free Shipping Logistics: Fast, secure, and hassle-free shipping or pickup options for buyers and sellers.
Our Process
  1. Submit a Request: You can use the “Buy” or “Sell” buttons above to get started — or fill out a form, call us at 585-406-1248, or email bailey@roctelecom.com. Whatever’s easiest for you, we’ll make it quick and hassle-free.
  2. Quick Evaluation: We’ll assess your equipment—whether you’re looking to sell it or find the right gear for your needs—and provide a fair offer.
  3. Simple Logistics: Fast, secure, and straightforward shipping or pickup solutions.
  4. Value Delivered: Recover funds from unused equipment or save on quality-tested networking and telecom gear.
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