100G QSFP28 O-Band DWDM 40km Optical Transceiver 200GHz Duplex LC SMF Module

The 100G QSFP28 O-Band DWDM Optical Transceiver supports 100GbE transmission up to 40km over single-mode fiber using 200GHz DWDM wavelength technology. With built-in PFEC, 4×25G electrical interface, Duplex LC connectivity, and DDM monitoring, it provides an efficient solution for long-distance optical networking.

SKU 100G-QSFP28-O-D-40KM Category
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The 100G QSFP28 O-Band DWDM Optical Transceiver Module is a high-performance 100GbE optical solution designed for long-distance single-mode fiber transmission up to 40km. Utilizing O-Band DWDM wavelength technology with 200GHz channel spacing, the module enables efficient wavelength multiplexing and supports high-capacity optical network deployments. It is optimized for applications requiring extended-reach 100G connectivity while maintaining compact QSFP28 form factor and low power consumption.

Featuring a 4×25G electrical interface, built-in PFEC, and Duplex LC optical connectivity, this transceiver provides reliable transmission performance and easy integration with existing SMF infrastructure. The integrated I²C digital diagnostic monitoring function enables real-time module management, making it suitable for data center interconnects, enterprise optical networks, and high-capacity metro network applications.

Form FactorQSFP28
Data Rate100Gb/s
Maximum DistanceUp to 40km
Fiber TypeSingle-Mode Fiber (SMF)
Optical TechnologyO-Band DWDM
Channel Spacing200GHz
Wavelength Grid800GHz LAN-WDM Grid Compatible
Optical InterfaceDuplex LC
Electrical Interface4 × 25G
Optical ConfigurationMulti-Channel DWDM Transmission
FEC SupportBuilt-in PFEC
Management InterfaceI2C Digital Diagnostics Monitoring
Power Supply#ERROR!
Maximum Power Consumption5.5W
Form Factor ComplianceQSFP28 MSA
  • Supports 100Gb/s optical transmission over single-mode fiber
  • Provides transmission distances up to 40km
  • Uses O-Band DWDM technology for multi-channel wavelength transmission
  • Supports 200GHz channel spacing for efficient wavelength utilization
  • Compatible with 800GHz LAN-WDM wavelength grid architecture
  • Supports 4×25G electrical interface for 100GbE applications
  • Built-in PFEC (Performance Forward Error Correction) for enhanced link reliability
  • Equipped with Duplex LC optical connector for standard SMF deployment
  • QSFP28 compact and hot-pluggable form factor
  • Supports integrated I²C digital diagnostic monitoring (DDM)
  • Low power consumption design with less than 5.5W operation
  • Operates with a single +3.3V power supply
  • 100GbE long-distance optical transmission
  • Data center interconnects (DCI)
  • Metro optical networks
  • Enterprise backbone networks
  • Cloud computing infrastructure
  • High-capacity wavelength division multiplexing systems
  • Optical network upgrades requiring fiber-efficient transmission

We provide OEM and customized 100G QSFP28 O-Band DWDM optical transceiver solutions to meet different network deployment requirements. Customization services include wavelength channel configuration, firmware optimization, label and housing customization, optical performance adjustment, and compatibility testing with customer-specific network equipment.

What is the advantage of using O-Band DWDM technology in a 100G transceiver?

O-Band DWDM technology allows multiple optical channels to be transmitted using different wavelengths within the O-band region. It helps improve fiber utilization and enables higher-capacity optical networks without requiring additional fiber deployment.

How does this module achieve 40km transmission distance?

The transceiver combines optimized DWDM optical components, single-mode fiber compatibility, and built-in PFEC technology to maintain reliable signal performance over extended 40km links.

What is the relationship between O-Band DWDM and LAN-WDM technology?

Both technologies use wavelength multiplexing principles. O-Band DWDM modules are designed with specific channel spacing and wavelength plans, while LAN-WDM typically uses wider wavelength channels around the 1310nm region. This module follows a 200GHz DWDM channel spacing design aligned with an 800GHz LAN-WDM grid.

What is the function of PFEC in this optical module?

PFEC improves link reliability by adding error correction capability to the transmission system. It helps compensate for transmission impairments and improves performance in long-distance 100GbE optical connections.

Can this QSFP28 DWDM module be used in existing single-mode fiber networks?

Yes. The module uses a standard Duplex LC optical interface and is designed for single-mode fiber infrastructure, allowing integration into existing optical networks and data center interconnect systems.