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81S1GBESX1851M

The Tellabs 81S1GBESX1851M is a high-performance 1GbE SFP optical transceiver module designed for reliable, long-range data transmission within Tellabs networking platforms. This compact pluggable optic ensures seamless integration and robust connectivity for demanding enterprise and service provider environments.

SKU: 81S1GBESX1851M Brand: Product ID: 410629
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Description

Tellabs 81S1GBESX1851M Overview

The 81S1GBESX1851M is a high-performance optical networking module designed for seamless integration into enterprise-grade Tellabs chassis systems. This reliable component, identified by the part number 81S1GBESX1851M, provides robust data throughput for demanding telecommunications environments. Its compact, hot-swappable design ensures that network administrators can maintain uptime while performing critical hardware upgrades or maintenance. By choosing the 81S1GBESX1851M, you are investing in proven, legacy-compatible technology that supports stable connectivity across complex fiber-optic infrastructures.

Tellabs 81S1GBESX1851M Technical Details

Engineered for precision, this unit features advanced circuitry optimized for high-speed Gigabit Ethernet signal processing and long-range transmission. It supports standard industry protocols to ensure compatibility with existing network topologies and legacy interface cards. The hardware utilizes high-quality internal components housed in a durable metal chassis to minimize electromagnetic interference and thermal stress. This specific module is an ideal solution for secondary market buyers seeking cost-effective, refurbished spares to extend the lifecycle of their current network deployments.

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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