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Home Networking Transceiver Cisco QSFP-100G-ER4L-S= Optical Transceiver

Cisco QSFP-100G-ER4L-S= Optical Transceiver

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Long-reach 100G QSFP28 optical transceiver designed for carrier-grade and enterprise backbone networks, supporting up to 40km over single-mode fiber with LC duplex connectivity.

OVERVIEW

  • The Cisco QSFP-100G-ER4L-S is a high-performance QSFP28 optical transceiver designed for ultra-long-reach 100G optical communication. It delivers reliable 100Gbps data transmission over single-mode fiber up to 40km, making it ideal for metro, regional, and large-scale enterprise backbone deployments.
  • Engineered for stability, scalability, and low latency, this module ensures seamless integration into advanced networking infrastructures requiring extended optical reach and consistent performance.

USE CASES

  • Metro network long-distance interconnects
  • Data center interconnect (DCI) over 40km links
  • Enterprise WAN and backbone connectivity
  • Service provider optical transport networks
  • High-capacity cloud infrastructure expansion
  • Regional aggregation and core network links

KEY FEATURES

  • Supports ultra-long reach up to 40km over SMF
  • 100Gbps high-speed QSFP28 optical transmission
  • CWDM-based wavelength multiplexing architecture
  • LC duplex connector for stable optical performance
  • Low latency and high reliability for carrier networks
  • Optimized power efficiency for long-haul deployment
  • Designed for Cisco-compatible networking platforms
  • Strong signal integrity across extended distances

TECHNICAL SPECIFICATIONS

  • Brand: Cisco
  • Model: QSFP-100G-ER4L-S=
  • Data Rate: 100Gbps
  • Fiber Type: Single-Mode Fiber (SMF)
  • Maximum Reach: Up to 40km
  • Connector Type: LC Duplex
  • Form Factor: QSFP28
  • Optical Technology: ER4L long-reach design
  • Application: Metro, enterprise backbone, data center interconnect
  • Compatibility: Cisco networking systems
  • Deployment: Plug-and-play hot-swappable module
  • Power Consumption: Low-power optical design 

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