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PN: CT-QSFP28-SFP28-ADP

Categories:
100G QSFP28 TO 25G SFP28 ADAPTER
Craig ***** - Cardiff, United Kingdom
26/09/2025
A pleasure to work with and a reliable supplier!
John ***** - Egham, United Kingdom
12/09/2025
Always enjoy working with Carritech. They makes things easy.
Marcin ***** - Malsch, Germany
15/05/2025
Reliable supplier, always a pleasure to work with
Liliana ***** - Madrid, Spain
14/05/2025
Fast and friendly service, personalized support throughout
Marcus ***** - Bristol, United Kingdom
13/05/2025
A pleasure to deal with. Always rely on Carritech.
Jagielski ***** - Poznan, Poland
09/05/2025
Always good to do business with
Peter ***** - Eindhoven, Netherlands
07/05/2025
Always attentive and professional, TOP!
Grégory ***** - Mauguio, France
06/05/2025
Commercial efficace, société fiable
Zach ***** - Lakeland, Florida
01/05/2025
Great company to work with. Very flexible and reliable supplier.
Chloe ***** - Berkshire, United Kingdom
24/02/2025
Always a pleasure working with Christian Quality packaging!
Marcus ***** - Bristol, United Kingdom
03/03/2025
Fastest shipments I've seen in years. Credit to the industry.
Alfred ***** - Vienna, Austria
06/08/2018
Always a pleasure to work with whole Carritech Team!

Fast Worldwide Delivery

We ship to over 100 countries, ensuring your parts reach you quickly and reliably wherever your business operates.

Extensive Global Inventory

Thousands of optical transceivers in stock and ready to ship, helping you keep your networks running without delay.

Fully Customisable Labelling

Customise labels tailored to your business with flexible designs, branding, and specific information.

Product Specifications

The CT-QSFP28-SFP28-ADP Adapter (QSA) Module offers seamless connectivity for 25Gbps and 10Gbps Ethernet applications by allowing SFP28 transceivers or cables to interface with QSFP28 ports. This flexibility supports cost-effective migration to higher-speed networks, leveraging the existing QSFP28 platform’s density. The module ensures minimal loss and skew through precision-controlled design, with a single duplex channel connected to lane 1 of the QSFP28 port while other lanes remain inactive. Its design supports all major SFP28 optics and copper cables, providing interoperability across vendor systems.

Built with a durable all-metal housing, the adapter delivers superior EMI performance and operates within a wide temperature range of -20°C to 85°C. It features a secure latching mechanism, low insertion loss, and low crosstalk, maintaining a high-quality signal throughout. With compliance to SFF-8665 and SFF-8432 standards, and a power consumption of only 0.3W, the QSA module is an environmentally friendly solution for telecommunications, data centers, and networked storage systems requiring high-speed, low-latency connectivity.

Applications

  • Low EMI radiation Switches, servers and routers
  • Telecommunication and wireless infrastructure
  • Test and measurement equipment
  • Networked storage systems
  • Data Center networks
  • Storage area networks

Features

  • Converts any QSFP28 port to SFP28
  • Enabling 25GbE Connectivity on 100GbE Infrastructure
  • Low crosstalk, low insertion loss
  • Superior signal integrity, matched impedance
  • All-metal housing for superior EMI performance
  • Inexpensive, easy-to-use, and plug & play
  • RoHS, MSA Compliant
  • Connects any 25G SFP28 DAC, AOC, or Transceiver to a QSFP28 port
  • Resolves system upgrade issues to linking different form-factors and line rates

Delivery

At Carritech, we pride ourselves on our exceptional service and commitment to meeting our customers’ needs. Our extensive range of SFP transceivers is designed to cater to various requirements, ensuring that you receive the best solutions for your projects. We understand the importance of timely delivery, and our efficient processes are geared towards providing you with the products you need as quickly as possible. Our dedicated team works tirelessly to ensure that your orders are processed and dispatched promptly, so you can rely on us for swift and reliable service.

We recognise that every project is unique, and our flexible approach allows us to adapt to your specific needs. Whether you require immediate delivery or have more complex requirements, we are here to support you every step of the way. Our commitment to customer satisfaction means that we go above and beyond to ensure that you receive your SFP transceivers in a timely manner, without compromising on quality. Trust Carritech to deliver the solutions you need, when you need them.

Warranty

Chez Carritech Optics, nous sommes convaincus de la qualité et de la fiabilité de nos émetteurs-récepteurs optiques. C'est pourquoi nous sommes fiers d'offrir une garantie à vie sur tous nos produits, ce qui témoigne de notre engagement en faveur de l'excellence et de la satisfaction de nos clients.

Que couvre notre garantie à vie ?

Notre garantie à vie offre une couverture complète pour l'ensemble du cycle de vie de vos émetteurs-récepteurs optiques, ce qui vous assure une totale tranquillité d'esprit lorsque vous choisissez Carritech Optics. La garantie couvre

  • Défauts de matériaux et de fabrication : Si votre produit présente des problèmes liés à la fabrication ou aux matériaux, nous le réparons ou le remplaçons gratuitement.
  • Assurance de performance : Nos émetteurs-récepteurs optiques sont rigoureusement testés pour répondre aux normes de l'industrie et nous garantissons qu'ils fonctionneront comme prévu dans votre environnement réseau.
Processus de demande d'indemnisation simplifié

Si vous devez faire une demande de garantie, notre équipe est là pour vous aider. Il vous suffit de contacter notre équipe d'assistance en indiquant les détails de votre produit, et nous vous guiderons dans une procédure rapide et sans problème pour résoudre le problème.

La performance de votre réseau, garantie

Carritech Optics s'engage à fournir des solutions optiques de haute qualité auxquelles vous pouvez faire confiance sur le long terme. Grâce à notre garantie à vie, vous pouvez investir en toute confiance dans nos produits, en sachant que nous sommes à vos côtés à chaque étape.

Datasheet Download

Performance Testing

At Carritech Optics, every product we supply undergoes a meticulous testing process designed to guarantee exceptional quality, reliability, and consistency. Our manufacturer operates within a professional laboratory environment, where advanced testing equipment and industry-standard procedures are used to carefully evaluate each item.

Reprogram your transceivers with speed, simplicity, and confidence.

Carritech’s Opticode is an advanced transceiver programming solution that gives you complete flexibility across your optical network. Designed to ensure seamless compatibility with a wide range of OEM systems, Opticode allows you to quickly reconfigure transceivers to meet your specific requirements. The result is greater control, reduced costs, and a more adaptable, future-proof infrastructure.

Craig ***** - Cardiff, United Kingdom
26/09/2025
A pleasure to work with and a reliable supplier!
John ***** - Egham, United Kingdom
12/09/2025
Always enjoy working with Carritech. They makes things easy.
Marcin ***** - Malsch, Germany
15/05/2025
Reliable supplier, always a pleasure to work with
Liliana ***** - Madrid, Spain
14/05/2025
Fast and friendly service, personalized support throughout
Marcus ***** - Bristol, United Kingdom
13/05/2025
A pleasure to deal with. Always rely on Carritech.
Jagielski ***** - Poznan, Poland
09/05/2025
Always good to do business with
Peter ***** - Eindhoven, Netherlands
07/05/2025
Always attentive and professional, TOP!
Grégory ***** - Mauguio, France
06/05/2025
Commercial efficace, société fiable
Zach ***** - Lakeland, Florida
01/05/2025
Great company to work with. Very flexible and reliable supplier.
Chloe ***** - Berkshire, United Kingdom
24/02/2025
Always a pleasure working with Christian Quality packaging!
Marcus ***** - Bristol, United Kingdom
03/03/2025
Fastest shipments I've seen in years. Credit to the industry.
Alfred ***** - Vienna, Austria
06/08/2018
Always a pleasure to work with whole Carritech Team!

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