QSFP‑100G‑ER4L – 100GBASE‑ER4L QSFP28 Optical Transceiver

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100 G QSFP28 ER4L optical transceiver for long‑reach 100G deployments over single‑mode fiber with LC connectors. Compatible with many OEM routers and switches.

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Availability: Available on backorder SKU: QSFP‑100G‑ER4L Categories: , ,

Description

This 100 GBASE‑ER4L QSFP28 optical transceiver module is designed for long‑reach 100 GbE connectivity over single‑mode fiber. It supports transmission distances up to roughly 40 km over OS2 single‑mode fiber with LC duplex connectors and is compliant with IEEE 802.3ba and QSFP28 MSA standards. Digital diagnostics monitoring (DDM) is typically supported to help monitor real‑time optical parameters.

This type of module is widely used in:

  • Metropolitan networks and long‑haul fiber links
  • Data center interconnects (DCI)
  • Carrier aggregation and core layer uplinks
  • Enterprise and service provider backbone connections

Key Features:

  • QSFP28 form factor supporting 100 Gbps optical Ethernet
  • Duplex LC connector for single‑mode fiber (OS2)
  • Up to 40 km reach with forward error correction (FEC)
  • Digital diagnostics monitoring (DDM) compatible
  • Compliant with IEEE 802.3ba & QSFP28 MSA standards

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