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ONS-SI-2G-L1

The Cisco ONS-SI-2G-L1 is a reliable, single-channel 2.5 Gbps optical transponder module designed for the Cisco ONS 15454 platform, ideal for cost-effective expansion of metro and long-haul DWDM networks.

SKU: ONS-SI-2G-L1 Brand: Product ID: 309780
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Description

The Cisco ONS-SI-2G-L1 is a high-performance optical interface module designed for use within the Cisco Optical Networking System (ONS) platform. Engineered for reliable SONET/SDH connectivity, this module supports 2.5 Gbps data rates, making it ideal for metro and long-haul network applications. Its compact form factor ensures easy integration into existing infrastructure, while its robust design supports extended deployment in demanding environments. The unit is hot-swappable, enabling minimal downtime during maintenance or upgrades.

This module operates on the OC-48/STM-16 standard and is optimized for long-reach (L1) applications, with a typical reach of up to 80 km using standard single-mode fiber. It features a standard LC connector interface and complies with industry specifications for interoperability and performance. Designed with carrier-grade reliability, the ONS-SI-2G-L1 includes digital diagnostics for monitoring optical power levels and temperature. Ideal for expanding capacity in legacy systems, this used unit offers a cost-effective solution for scaling optical transport networks.

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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