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100G OTU4 QSFP28 4CH optical module encompasses variants such as SR4, LR4, ER4, ZR4, and XZR4. It utilizes single-mode fiber with an LC interface, supporting transmission distances of 100m, 2km, 10km, 40km, 80km, and up to a maximum of 100km. This module features high port density and low power consumption. At its core is a 4CH (4-channel) architecture, which employs wavelength multiplexing of four 25Gbps or 28Gbps lanes typically around 1310nm to achieve an aggregate data rate of 100G. It supports dual-rate operation, making it compatible with both 103.1Gbps 100 Gigabit Ethernet and the 112Gbps OTU4 optical transport network standard. Consequently, it is suitable for various applications including telecommunications networks, data center interconnects, and 5G backhaul.
| Form Factor | Part No. | Fiber Type | Data Rate | Wavelength | Distance | Connector | Case Temperature | Download |
|---|---|---|---|---|---|---|---|---|
| QSFP28 | CLOTU4QSFPXZR4 | SMF | 100G/112G | LAN WDM | 100km | LC | Com. | |
| QSFP28 | CLOTU4QSFPZR4 | SMF | 100G/112G | LAN WDM | 80km | LC | Com. | |
| QSFP28 | CLOTU4QSFPER4 | SMF | 100G/112G | LAN WDM | 40km | LC | Com. | |
| QSFP28 | CLOTU4QSFPLR4 | SMF | 100G/112G | LAN WDM | 10km | LC | Com. | Data Sheet |
| QSFP28 | CLOTU4QSFPCW4 | SMF | 100G/112G | 1270~1330nm,4CH | 2km | LC | Com. | Data Sheet |
| QSFP28 | CLOTU4QSFPSR4 | MMF | 100G/112G | 850nm | 100m | MPO | Com. | Data Sheet |
The C-LIGHT 100G OTU4 QSFP28 4CH optical transceiver is a high-performance optical module designed for 100G OTN (Optical Transport Network) applications, data center interconnects (DCI), and long-distance optical communication networks. Supporting OTU4 standards with four-channel parallel optical transmission, this optical transceiver provides high bandwidth, low latency, and reliable connectivity for telecom operators, cloud networks, and enterprise infrastructures.
Based on the QSFP28 form factor, the 100G OTU4 QSFP28 4CH optical transceiver integrates advanced optical technology to deliver excellent transmission performance, high stability, and efficient network scalability. It is suitable for modern optical transport systems requiring high-speed and dependable 100G connectivity.
Supports OTU4 standard compliant 100Gbps transmission, providing efficient and reliable optical communication for next-generation networks.
Uses the industry-standard QSFP28 package design, enabling high port density and easy integration into optical networking equipment.
Features four independent optical channels to achieve high-speed data transmission with excellent signal integrity and performance.
Designed for optical transport networks, supporting efficient data transmission in telecom and carrier-grade environments.
Provides stable optical performance through strict testing procedures, ensuring long-term operation in demanding network environments.
Optimized optical and electrical design reduces power consumption while maintaining high-speed transmission capability.
Designed for OTU4-based optical transport systems requiring high-capacity and reliable network connections.
Provides high-speed optical connectivity between data centers to support increasing bandwidth requirements.
Suitable for telecom operator networks requiring stable 100G optical transmission solutions.
Supports optical communication infrastructure deployment for metro and long-distance transmission applications.
Enables scalable optical connectivity for cloud platforms and large-scale network architectures.
Provides reliable 100G optical interconnect solutions for enterprise networking environments.
C-LIGHT focuses on advanced optical communication technologies and provides reliable 100G optical transceiver solutions for telecom, data center, and networking applications.
The 100G OTU4 QSFP28 4CH optical transceiver adopts optimized optical and electrical design to achieve stable performance, high efficiency, and excellent transmission quality.
C-LIGHT implements comprehensive quality control procedures, including optical performance testing, electrical validation, reliability verification, and compatibility testing.
Designed for demanding optical transport environments, the transceiver delivers reliable operation for telecom networks and long-term deployments.
C-LIGHT provides customized optical solutions to support different transmission distances, network architectures, and customer requirements.
With professional engineering support and responsive service, C-LIGHT helps customers build efficient and scalable optical networks.
A 100G OTU4 QSFP28 4CH optical transceiver is a high-speed optical module designed for OTU4 optical transport networks. It supports 100Gbps transmission through four optical channels and is widely used in telecom networks, data center interconnects, and optical transport systems.
The module is commonly used in optical transport networks, telecom infrastructure, data center interconnect (DCI), metro networks, long-haul transmission systems, and enterprise optical networks.
OTU4 technology provides standardized 100G optical transport capability with improved network efficiency, reliable transmission performance, and enhanced support for high-capacity optical communication systems.
OTU4 is designed for optical transport networks with additional transport-layer functionality, while standard 100G Ethernet focuses mainly on packet-based data communication applications.
QSFP28 provides a compact and high-density form factor with four-channel architecture, making it suitable for high-speed 100G optical transmission while reducing system space and power consumption.
C-LIGHT performs strict testing procedures including optical parameter testing, electrical performance verification, reliability testing, and compatibility validation to ensure stable product quality.
Yes. C-LIGHT can provide customized optical transceiver solutions according to customer requirements, including network applications, optical specifications, and deployment environments.
C-LIGHT provides reliable optical communication solutions with advanced technology, strict quality control, professional engineering support, and flexible customization capabilities.
The C-LIGHT 100G OTU4 QSFP28 4CH optical transceiver provides a high-performance optical connectivity solution for modern optical transport networks, telecom infrastructure, and data center interconnect applications. With OTU4 compliance, QSFP28 compact design, four-channel optical architecture, and reliable transmission performance, it helps operators and enterprises build scalable and efficient 100G optical networks.
As network bandwidth requirements continue to increase, reliable 100G optical transport solutions become essential for cloud computing, telecom networks, and large-scale data center infrastructures. C-LIGHT delivers professional optical transceiver products with advanced optical technology, strict quality management, and customized support to meet diverse customer requirements.
●100% of products pass initial test, final test and factory inspection.
●3-step quality control management process.
●100% complete implementation of customer order quality requirements.
●100% guarantee of customer product data information security.

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Please Note: Installing a third party transceiver does not void your network equipment warranty. Network equipment manufacturers all have guidelines stating that warranty support on their products will not be affected.
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