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CPAK-100G-ER4L

The Cisco CPAK-100G-ER4L is a high-performance, long-reach 100GBASE-ER4L transceiver designed for extended data center and enterprise networking, offering up to 40 km reach over single-mode fiber in a compact, power-efficient CPAK form factor—ideal for cost-effective upgrades in used hardware environments.

SKU: CPAK-100G-ER4L Brand: Product ID: 125840
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Description

The Cisco CPAK-100G-ER4L is a high-performance 100G transceiver designed for extended reach in large-scale networking environments. Built for compatibility with Cisco networking equipment, this module supports the 100GBASE-ER4-Lite standard, delivering up to 40 km of connectivity over single-mode fiber. Its compact CPAK form factor ensures efficient space utilization while reducing power consumption compared to earlier 100G optics. With support for LC duplex connectors and four-channel LAN-WDM technology, it provides reliable long-haul data transmission with minimal signal loss.

Engineered for demanding enterprise and service provider networks, the CPAK-100G-ER4L operates over a wavelength range of 1295 nm to 1309 nm. It features digital optical monitoring (DOM) for real-time diagnostics, ensuring network stability and performance. The module is hot-swappable, allowing for seamless deployment and maintenance without service disruption. Designed to meet stringent industry standards, this transceiver is an ideal solution for upgrading network infrastructure with cost-effective, high-speed connectivity.

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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