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800G ACC
800G ACC
The 800G ACC active copper cable independently developed by C-LIGHT complies with IEEE P802.3ck D3.0 for communication protocol and supports InfiniBand NDR; the interface protocol complies with SFF-8636; the packaging protocol complies with QSFP-DD MSA HW Rev 6.01; 800G ACC has broad application prospects in data center internal interconnection, AI cluster interconnection, high-performance computing, telecommunications and cloud infrastructure due to its advantages of high speed, low latency, low cost and easy deployment. 800G ACC active copper cable is compatible with switches from more than 100 brands. With 15 years of experience in the optical communication industry, C-LIGHT is able to provide spot supply and customized services, and is committed to providing original after-sales service to help customers reduce operating costs.
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Product Details

800G ACC Active Copper Cable for AI Data Centers, InfiniBand and High-Performance Computing

Form FactorPart No.Fiber TypeData RateWavelengthDistanceConnector TemperatureNote

800G QSFP-DD- 800G QSFP-DD Flat to Flat

CLQD8-QD8ACC-5-FLTCopper800G IBCable5M24AWGCom./Ind.

800G OSFP112- 800G QSFP-DD Finned to Flat

CLOP8-QD8ACC-5-FTFCopper800G IBCable5M24AWGCom./Ind.

800G OSFP112- 800G OSFP112 Finned toFinned

CLOP8-OP8ACC-0.5 ~ 2-FINCopper800G IBCable0.5M~2M32AWGCom./Ind.

800G OSFP112- 800G OSFP112 Finned toFinned

CLOP8-OP8ACC-2.5 ~ 3-FINCopper800G IBCable2.5M~3M28/26AWGCom./Ind.

800G OSFP112- 800G OSFP112 Finned toFinned

CLOP8-OP8ACC-4 ~5-FINCopper800G IBCable4M~5M24AWGCom./Ind.

800G OSFP112- 800G OSFP112 Flat to Flat

CLOP8-OP8ACC-3M-FLTCopper800G IBCable4M~5M24AWGCom./Ind.

800G OSFP112- 2X400G OSFP112 Finned to Finned

CLOP8-2xOP4ACC-0.5~ 2-FINCopper800G/400G IBCable0.5M~2M32AWGCom./Ind.

800G OSFP112- 2X400G OSFP112 Finned to Finned

CLOP8-2xOP4ACC-2.5~ 5-FINCopper800G/400G IBCable2.5M~5M24AWGCom./Ind.

800G OSFP112- 4X200G OSFP112 Finned to Finned

CLOP8-4xOP2ACC-0.5~ 2-FINCopper800G/200G IBCable0.5M~2M32AWGCom./Ind.

800G OSFP112- 2X400G QSFP112 Finned to Flat

CLOP8-2xQ4ACC-0.5~ 2-FTFCopper800G/400G IBCable0.5M~2M32AWGCom./Ind.

800G OSFP112- 4X200G OSFP112 Finned to Finned

CLOP8-4xOP2ACC-2.5~ 5-FINCopper800G/200G IBCable2.5M~5M24AWGCom./Ind.

800G OSFP112- 2X400G QSFP112 Finned to Flat

CLOP8-2xQ4ACC-2.5~ 5-FTFCopper800G/400G IBCable2.5M~5M24AWGCom./Ind.

800G OSFP112- 4X200G QSFP112 Finned to Flat

CLOP8-4xQ2ACC-0.5~ 2-FTFCopper800G/200G IBCable0.5M~2M32AWGCom./Ind.

800G OSFP112- 4X200G QSFP112 Finned to Flat

CLOP8-4xQ2ACC-2.5~ 5-FTFCopper800G/200G IBCable2.5M~5M24AWGCom./Ind.

800G ACC Active Copper Cable Overview

C-LIGHT 800G ACC active copper cables are designed for ultra-high-speed interconnects in AI data centers, high-performance computing systems, cloud infrastructure, telecommunications, and other bandwidth-intensive network environments. The active copper architecture combines high-speed electrical transmission with integrated signal conditioning to support demanding 800G connectivity requirements.

Unlike conventional passive DAC solutions, the 800G ACC uses active electrical technology to extend the practical reach of high-bandwidth copper interconnects while maintaining a compact cable architecture. This makes ACC suitable for applications where the required connection exceeds the practical limitations of passive copper cabling.

C-LIGHT provides multiple 800G ACC configurations, including 800G QSFP-DD to QSFP-DD, 800G OSFP112 to QSFP-DD, OSFP112 to OSFP112, and breakout configurations for 400G and 200G interfaces.

The product family supports cable lengths from 0.5m to 5m depending on the configuration, with multiple connector constructions and copper gauges available for different equipment layouts.

800G ACC Active Copper Cable Key Features

800Gbps High-Speed Connectivity

Provides ultra-high-speed 800G interconnection for next-generation data center and AI computing infrastructure.

Active Copper Architecture

Integrated active electrical technology helps support high-bandwidth copper transmission beyond the practical range of conventional passive DAC solutions.

InfiniBand NDR Support

The product supports InfiniBand NDR environments for high-performance computing and AI cluster interconnection.

Multiple Host Interfaces

Configurations include QSFP-DD and OSFP112 interfaces for different generations and architectures of high-speed network equipment.

800G to 400G Breakout

Selected configurations connect an 800G OSFP112 interface with two 400G interfaces for flexible network scaling.

800G to 200G Breakout

Four-lane breakout configurations allow an 800G connection to interface with multiple 200G ports in supported architectures.

0.5m to 5m Configurations

Different product configurations support cable lengths ranging from 0.5m to 5m according to interface and cable construction.

Commercial and Industrial Temperature

C-LIGHT lists both commercial and industrial temperature options for the 800G ACC product family.

800G ACC Active Copper Cable Applications

AI Data Center Interconnect

800G ACC can provide high-bandwidth connections between GPUs, switches, accelerators, and other components within AI-oriented data center networks.

AI Cluster Networking

The active copper architecture is suitable for high-speed links within distributed AI computing clusters where large volumes of east-west traffic are generated.

InfiniBand NDR Networks

Supported InfiniBand NDR configurations can be used for high-performance computing and AI cluster networking applications.

High-Performance Computing

800G ACC provides short high-bandwidth interconnects for computing environments that require substantial network throughput and low-latency communication.

Cloud Infrastructure

Cloud data center operators can deploy active copper links for high-density connections between adjacent high-speed networking platforms.

Telecommunications Infrastructure

The product can be used in high-capacity telecommunications infrastructure requiring compact, high-speed equipment interconnections.

800G to 400G Migration

Breakout configurations provide a practical interconnection method when an 800G network port needs to communicate with multiple 400G interfaces.

800G to 200G Connectivity

Four-way breakout configurations allow compatible 800G equipment to connect with multiple 200G network interfaces.

Why Choose C-LIGHT 800G ACC Active Copper Cable?

Active Alternative to Passive DAC

ACC extends the concept of direct copper interconnection by adding active electrical processing for applications where passive DAC reach is insufficient.

Designed for 800G Networks

The product is built around current-generation 800G network interfaces and high-bandwidth data center architectures.

Flexible Breakout Architectures

800G to 400G and 800G to 200G configurations provide options for connecting high-speed uplinks with lower-speed network interfaces.

Multiple Connector Combinations

QSFP-DD, OSFP112, and QSFP112 combinations allow the cable family to address different equipment port designs.

Short-Reach High-Bandwidth Solution

With configurations from 0.5m to 5m, ACC is well suited to high-density connections between equipment positioned within the same or adjacent rack environments.

Broad Equipment Compatibility

C-LIGHT states that its 800G ACC active copper cable is compatible with switches from more than 100 brands.

100% Product Testing

C-LIGHT states that each product undergoes testing, with initial test, final test, and factory inspection included in its quality-control process.

Customization and Technical Support

C-LIGHT provides customized services, compatibility support, technical guidance, long-term maintenance, and after-sales assistance for customer deployments.

800G ACC Active Copper Cable Product Options

800G QSFP-DD to QSFP-DD

The flat-to-flat configuration provides a direct 800G connection between compatible QSFP-DD interfaces with a listed 5m option.

800G OSFP112 to QSFP-DD

The finned-to-flat configuration connects OSFP112 equipment with QSFP-DD equipment and is listed with a 5m cable option.

800G OSFP112 to OSFP112

Finned-to-finned and flat-to-flat configurations support direct connections between compatible 800G OSFP112 platforms.

800G to 2x400G

Breakout configurations provide two 400G connections from an 800G OSFP112 interface for supported network architectures.

800G to 4x200G

Four-way breakout configurations provide multiple 200G connections from an 800G interface for compatible equipment.

QSFP112 Breakout

Selected configurations use QSFP112 interfaces on the breakout side to support different 400G and 200G network port architectures.

Multiple Copper Gauges

Depending on cable length, configurations use 32AWG, 28AWG, 26AWG, or 24AWG copper constructions.

Commercial and Industrial Options

Temperature options include commercial and industrial configurations according to the selected product variant.

800G ACC Active Copper Cable FAQ

Q1. What is an 800G ACC?

An 800G ACC is an active copper cable designed to provide high-speed 800Gbps electrical connectivity with integrated active signal processing.

Q2. How is ACC different from DAC?

DAC uses a passive copper transmission architecture, while ACC incorporates active electrical technology to improve the performance and reach of high-speed copper interconnections.

Q3. Does C-LIGHT 800G ACC support InfiniBand?

Yes. The C-LIGHT 800G ACC supports InfiniBand NDR applications.

Q4. Which interfaces are available?

The product family includes QSFP-DD and OSFP112 configurations, with selected breakout versions using QSFP112 interfaces.

Q5. Can 800G ACC connect to 400G equipment?

Yes. C-LIGHT provides 800G to 2x400G breakout configurations for compatible network architectures.

Q6. Can 800G ACC connect to 200G equipment?

Yes. C-LIGHT provides 800G to 4x200G breakout configurations for supported 200G interfaces.

Q7. What cable lengths are available?

Depending on the configuration, the listed 800G ACC products support lengths from 0.5m to 5m.

Q8. Can C-LIGHT customize 800G ACC cables?

Yes. C-LIGHT provides customized active copper cable solutions according to equipment compatibility, connector configuration, cable length, and application requirements.

800G ACC Active Copper Cable Solution Summary

C-LIGHT 800G ACC active copper cables provide a high-bandwidth interconnect solution for AI data centers, InfiniBand NDR networks, high-performance computing, cloud infrastructure, and telecommunications applications. The product family combines active copper transmission with multiple QSFP-DD, OSFP112, and QSFP112 configurations, including direct 800G connections and 800G-to-400G or 800G-to-200G breakout architectures. With 0.5m to 5m configurations, multiple copper gauges, commercial and industrial temperature options, broad switch compatibility, and customization support, the 800G ACC series is designed for dense next-generation network interconnects where high speed, low latency, and deployment efficiency are important.

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Please contact us to download the certification certificate.

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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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