Compatible optical transceiver

Dell QDD-LR8-400G Compatible QSFP-DD LR8 400G PAM4 1310nm 10km DOM Duplex LC/UPC SMF Optical Transceiver Module

Form Factor: QSFP-DD
Max Reach: 10KM
Interface Type: LC
Media: SM
Part number QDD-LR8-400G

Dell QDD-LR8-400G compatible 400G QSFP-DD LR8 1310nm 10km transceiver

Carritech CT-400G-QDD-LR8 is offered as a compatible alternative to Dell QDD-LR8-400G / Q56DD-400G-LR8 requirements. This 400GBASE-LR8 QSFP-DD optical transceiver is designed for long-reach 400G Ethernet connectivity over single-mode fibre up to 10 km using a duplex LC interface.

The module uses an 8-lane LAN-WDM / LR8 optical design with 8 x 50G PAM4 electrical lanes, multiplexed into a single 400G optical output. It supports digital diagnostics monitoring and is suitable for high-density 400G data centre, enterprise, telecom and interconnect applications where Dell-compatible LR8 optics are required.

Key specification summary:

  • Compatible alternative for Dell QDD-LR8-400G / Q56DD-400G-LR8
  • 400GBASE-LR8 QSFP-DD form factor
  • 8 x 50G PAM4 / 400GAUI-8 electrical interface
  • 1310nm LAN-WDM8 wavelength grid
  • Up to 10 km reach over G.652 single-mode fibre
  • Duplex LC/UPC connector
  • DOM/DDM with CMIS management
  • Commercial temperature operation

Carritech compatible optics are tested before shipment and supplied with warranty support, short lead times and compatibility-focused technical assistance.

Quality assured Tested, compliant and backed by lifetime warranty.

Lifetime Warranty
FCC Mark
CE Mark
RoHS Compliant
ISO 9001
ISO 14001
Product information

QDD-LR8-400G Details

Review the technical specifications, applications, features, delivery information and warranty coverage for this product.

Specifications

01
QDD-LR8-400G / Q56DD-400G-LR8 is a coded equivalent for Carritech CT-400G-QDD-LR8. Matched as a compatible 400G QSFP-DD LR8 optical transceiver for 400GBASE-LR8 Ethernet, 8 x 50G PAM4, 1310nm LAN-WDM8, 10 km reach over SMF, duplex LC connector and DOM/DDM diagnostics.

Applications

02
  • Compatible alternative for Dell QDD-LR8-400G / Q56DD-400G-LR8 requirements.
  • 400GBASE-LR8 Ethernet links up to 10 km over single-mode fibre.
  • Data centre interconnect, enterprise backbone, telecom and high-capacity network applications.
  • QSFP-DD switch and router platforms requiring LR8 10 km duplex LC optics.

Features

03
  • QDD-LR8-400G / Q56DD-400G-LR8 compatible 400G QSFP-DD LR8 transceiver alternative.
  • Matched to Carritech CT-400G-QDD-LR8 for 400GBASE-LR8 Ethernet links up to 10 km over single-mode fibre.
  • QSFP-DD, 8 x 50G PAM4, LAN-WDM8, 1310nm, duplex LC, SMF and DOM/DDM support.

Delivery

04

At Carritech, we pride ourselves on our exceptional service and commitment to meeting our customers’ needs. Our extensive range of SFP transceivers, including the QDD-LR8-400G, 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

05

At Carritech Optics, we stand by the quality and reliability of our optical transceivers. That’s why we proudly offer a lifetime warranty on all products as a testament to our commitment to excellence and customer satisfaction.

What Does Our Lifetime Warranty Cover?

Our lifetime warranty provides comprehensive coverage for the entire lifecycle of your optical transceivers, ensuring you experience complete peace of mind when choosing Carritech Optics. The warranty covers:

  • Defects in Materials and Workmanship: If your product experiences any issues related to manufacturing or materials, we’ll repair or replace it free of charge.
  • Performance Assurance: Our optical transceivers are rigorously tested to meet industry standards, and we guarantee they’ll perform as expected in your network environment.

Easy Claims Process

Should you ever need to make a warranty claim, our team is here to assist you. Simply contact our support team with your product details, and we’ll guide you through a quick and hassle-free process to resolve the issue.

Your Network’s Performance, Guaranteed

Carritech Optics is dedicated to providing high-quality optical solutions that you can trust for the long haul. With our lifetime warranty, you can confidently invest in our products, knowing that we’re with you every step of the way.

Datasheet

06

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Carritech compatible alternative

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This manufacturer product has a Carritech compatible alternative. Our compatible transceivers are programmed, tested and supplied to support your network requirements without relying only on OEM-branded options.

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Programmed for your platform
Tested before shipment

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QDD-LR8-400G Q56DD-400G-LR8 Dell QDD-LR8-400G CT-400G-QDD-LR8 QSFP-DD 400GBASE-LR8 400G LR8 400G 1310nm LAN-WDM8 10km SMF LC Duplex LC PAM4 DOM DDM CMIS 4.0 400GAUI-8 Dell CT-400G-QDD-LR8 compatible alternative