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Home Networking Transceiver Cisco SFP GE S 1000BASE SX Gigabit Optics LC DOM Module

Cisco SFP GE S 1000BASE SX Gigabit Optics LC DOM Module

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Enterprise-grade 1000BASE-SX SFP transceiver for short-range multimode fiber connectivity, designed for high-density LAN, campus, and data center switching environments with reliable Gigabit performance.

OVERVIEW

  • The Cisco 1000BASE-SX SFP transceiver is a compact, hot-swappable Gigabit Ethernet optical module designed for short-reach fiber connectivity over multimode infrastructure. It enables stable and cost-efficient uplinks between switches, servers, and aggregation layers in enterprise LAN and campus environments.
  • This module is widely deployed in structured cabling environments where multimode fiber (MMF) is already established, supporting scalable network expansion without replacing existing fiber plant. It is commonly used in access-layer switching, virtualization clusters, and enterprise backbone aggregation where predictable latency and high availability are essential.

USE CASES

  • Campus LAN switch-to-switch uplinks
  • Data center top-of-rack (ToR) to aggregation connections
  • Enterprise building backbone connectivity
  • Virtualization cluster interconnects
  • High-density access layer switching
  • Branch office fiber uplinks
  • Secure internal segmentation networks
  • Storage and server network connectivity (SAN/LAN convergence environments)
  • Cloud edge aggregation switches
  • Network modernization and upgrade projects

KEY FEATURES

  • 1G (1000BASE-SX) Gigabit Ethernet support
  • Multimode fiber (MMF) optimized design
  • LC duplex connector interface
  • Hot-swappable SFP form factor
  • Short-reach optical transmission for campus networks
  • DOM (Digital Optical Monitoring) support for diagnostics
  • Low power consumption for dense deployments
  • High compatibility across Cisco switching platforms
  • Cost-efficient alternative to long-reach optics
  • Stable performance for high-availability networks
  • Plug-and-play deployment with minimal configuration
  • Supports scalable enterprise network expansion

TECHNICAL SPECIFICATIONS

  • Brand: Cisco
  • Product Type: SFP Optical Transceiver
  • Ethernet Standard: 1000BASE-SX
  • Data Rate: 1 Gbps
  • Fiber Type: Multimode Fiber (MMF)
  • Wavelength: 850 nm
  • Connector Type: LC Duplex
  • Maximum Distance: Up to 550 meters (OM2/OM3 dependent)
  • Digital Diagnostics (DOM): Supported
  • Form Factor: Hot-swappable SFP
  • Compatibility: Cisco Catalyst & compatible platforms

WHY CHOOSE THIS PRODUCT?

  • Organizations choose the Cisco 1000BASE-SX SFP because it delivers a reliable, standardized Gigabit fiber connection optimized for short-range enterprise networking. It reduces infrastructure complexity by leveraging existing multimode fiber while maintaining predictable performance.
  • Compared to long-range optics, it offers lower procurement cost and reduced power consumption, making it ideal for high-density switch environments. Its interoperability across Cisco switching platforms ensures flexible deployment and simplified lifecycle management.
  • From a business perspective, it improves ROI by extending the life of installed fiber infrastructure and supporting scalable network expansion without major rewiring or redesign.

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