Skip to content Skip to footer
ROC Telecom
Get a Quote
ROC Telecom
Close
Awaiting product image

GLC-SX-MMD=

The Cisco GLC-SX-MMD= is a hot-swappable, multimode SFP transceiver module designed for reliable Gigabit Ethernet connectivity over short distances, supporting up to 550 meters with 850nm wavelength and featuring Digital Optical Monitoring (DOM) for enhanced network diagnostics.

SKU: GLC-SX-MMD= Brand: Product ID: 309558
Sell to Us Buy from Us

Description

The Cisco GLC-SX-MMD= is a high-performance, hot-swappable SFP (Small Form-Factor Pluggable) transceiver module designed for Gigabit Ethernet and Fibre Channel applications. Built with durable components, it supports a data transfer rate of up to 1.25 Gbps and is optimized for multimode fiber (MMF) with an operating distance of up to 550 meters, depending on fiber type. The module features an LC duplex connector and operates on a wavelength of 850nm, making it ideal for short-range communication within enterprise and data center environments. Its Digital Optical Monitoring (DOM) support allows for real-time monitoring of critical parameters such as temperature, voltage, and optical power levels.

This transceiver is compliant with IEEE 802.3z and SFP MSA standards, ensuring broad compatibility with Cisco switches and other networking equipment. The compact design allows for easy installation and replacement, reducing network downtime during maintenance or upgrades. When purchasing used, buyers can expect a cost-effective solution without compromising on performance, especially in legacy or budget-conscious deployments. The GLC-SX-MMD= remains a reliable choice for expanding or maintaining existing Gigabit fiber 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.
Call Now Button