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WSP-Q40GLR4L

The Cisco WSP-Q40GLR4L is a high-performance 40GBASE-LR4 QSFP+ transceiver module designed for long-range data center and enterprise networking, offering reliable 40 Gbps connectivity over single-mode fiber up to 10 kilometers—ideal for cost-effective, used hardware upgrades.

SKU: WSP-Q40GLR4L Brand: Product ID: 128223
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Description

The Cisco WSP-Q40GLR4L is a high-performance QSFP+ transceiver module designed for reliable 40G Ethernet connectivity over long distances. Built for single-mode fiber (SMF), it supports a maximum link length of up to 10 kilometers and operates on a wavelength of 1310 nm. With its four-lane parallel design, this transceiver efficiently transmits data at 10 Gbps per lane, ensuring a total aggregated bandwidth of 40 Gbps. The hot-swappable QSFP+ form factor allows for easy installation and replacement, making it a cost-effective solution for expanding network capacity.

Equipped with built-in digital diagnostics monitoring (DDM), the WSP-Q40GLR4L provides real-time status updates on parameters such as temperature, power levels, and signal integrity. It features LC duplex connectors, ensuring compatibility with standard SMF cabling for seamless integration into existing infrastructures. Designed for energy efficiency, this module operates with low power consumption while maintaining high-speed performance. Ideal for data centers, enterprise networks, and service provider environments, this used transceiver offers a balance of reliability, affordability, and scalability.

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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