Denmark Certified DAC High-Speed ​​Cable 1G

A 1G Direct Attach Copper (DAC) cable is a factory-terminated twinax copper assembly designed for short-reach, high-speed network connections, ideal for data centers and server interconnects.

Overview

DAC cables are high-performance copper cables that connect switches, servers, and storage devices within racks. They are available in passive and active versions, with passive DACs offering low cost, low power consumption, and minimal heat generation, while active DACs include signal amplification or retimers to extend reach beyond standard limits . For 1G applications, passive DAC cables are typically sufficient for short distances up to 5 meters .

Key Features

• Data Rate: Supports 1 Gb/s and higher, ensuring reliable network performance .
• Connectors: Compatible with SFP, SFP+, QSFP, QSFP28, QSFP-DD, and OSFP modules, depending on the network equipment .
• Cable Construction: Uses 26-30 AWG shielded twinax conductors, providing low latency (typically under 5 ns) and high signal integrity .
• Compliance: Meets IEEE 802.3 standards and relevant SFF/MSA specifications, ensuring interoperability and reliability .
• Power Efficiency: Passive DAC cables consume less than 0.5 W, making them energy-efficient for dense rack deployments .
• Customization: Available in various lengths, breakout formats (1-to-2, 1-to-4, 1-to-8), and optional features like color-coded jackets, low-smoke zero-halogen materials, and EEPROM programming .

Applications

• Data Centers: Short-reach interconnects between switches, servers, and storage within racks.
• Enterprise Networks: High-speed connections for network aggregation and server clusters.
• GPU and HPC Systems: Low-latency links for high-performance computing and AI workloads .

Denmark Certification

While specific Denmark certification details are not listed in the sources, DAC cables from reputable manufacturers like Volex, FS, and Philipsun are typically compliant with European and international safety and performance standards, which may include CE marking or local regulatory approvals suitable for Denmark . Users should verify certification with the supplier to ensure compliance with Danish regulations.

Conclusion

A Denmark-certified 1G DAC cable provides a cost-effective, low-latency, and energy-efficient solution for short-reach network connections. Passive DACs are ideal for in-rack links, while active DACs extend reach for inter-rack connections. Customization options allow adaptation to specific network layouts, ensuring reliable and high-speed data transfer in data centers and enterprise environments .