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FC9681EL21-I01

The Fujitsu FC9681EL21-I01 is a high-performance optical transceiver module designed for reliable, high-speed data transmission in enterprise and carrier-grade networking environments, making it a cost-effective choice for expanding or upgrading used network infrastructure.

SKU: FC9681EL21-I01 Brand: Product ID: 318397

Description

The Fujitsu FC9681EL21-I01 is a high-performance optical transceiver module designed for demanding network environments, particularly in enterprise and data center applications. Built with precision and durability, this unit supports high-speed data transmission over long distances using single-mode fiber, making it suitable for backbone infrastructure and high-bandwidth applications. Its compact form factor ensures compatibility with standard SFP+ slots, allowing easy integration into existing networking equipment. The robust metal housing provides excellent EMI shielding and thermal performance, ensuring reliable operation in 10GbE networks.

This model supports a data rate of up to 10 Gbps and typically operates at a wavelength of 1310 nm, with a transmission distance of up to 10 kilometers. It features dual LC connectors for efficient and secure fiber connections and complies with industry standards such as IEEE 802.3ae and SFF-8431. The FC9681EL21-I01 includes built-in digital diagnostics monitoring (DDM), allowing real-time access to critical operating parameters like temperature, voltage, and optical power levels. Ideal for those seeking reliable used network hardware, this transceiver offers a cost-effective solution without compromising on performance or compatibility.

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:
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Why Choose ROC Telecom?
  • Expertise You Can Trust: 15 years of experience in asset recovery and resale.
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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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