Extreme Networks 25G Passive DAC SFP28 0.5m

Unleash rapid, reliable interconnectivity in data centers and enterprise racks with the Extreme Networks 25G Passive DAC SFP28 0.5m. This high-performance Direct Attach Cable (DAC) uses SFP28 connectors to deliver a pristine 25 Gbps link over a compact 0.5-meter (1.64 feet) copper cable, specifically designed for short-range, intra-rack and rack-to-rack interoperability. Built for speed, low latency, and dependable throughput, this cable is ideal for top-of-rack to spine or switch-to-server connections where quick deployment and cost efficiency matter most. If you need a robust, hot-pluggable, plug-and-play solution to maximize your 25G Ethernet deployments without the overhead of optical transceivers, the Extreme Networks 25G Passive DAC SFP28 0.5m is the right choice.

• High-speed 25 Gbps performance: Engineered to deliver consistent 25 Gbps data transfer rates over a short copper link, ensuring fast and predictable network performance for latency-sensitive workloads.
• Compact 0.5-meter length: Perfect for tight rack environments, close-proximity interconnects, and top-of-rack to switch connections where space is at a premium.
• SFP28 connectors on both ends: Wide compatibility with Extreme Networks switches, servers, and other SFP28-enabled devices, enabling seamless integration into existing infrastructure.
• Passive copper DAC design: No active electronics or power draw, providing low latency, reduced heat, and a cost-effective alternative to active optical cables for short-range links.
• Durable, plug-and-play reliability: Built for data center life with robust shielding, secure mating, and straightforward installation to minimize downtime and maintenance.

Technical Details of Extreme Networks 25G Passive DAC SFP28 0.5m

• Product type: Passive Direct Attach Cable (DAC)
• Interface: SFP28 to SFP28
• Length: 0.5 meters (1.64 feet)
• Data rate: Up to 25 Gbps per link
• Wiring and performance: Copper-based, low-latency signaling suitable for short-range interconnects
• Power: Passive (no active components or external power required)
• Connector standard: SFP28 MSA-compatible endpoints for broad device compatibility
• Cabling construction: Shielded copper with durable housing to withstand rack environments

How to install Extreme Networks 25G Passive DAC SFP28 0.5m

• Power down and prepare: Follow your data center’s downtime policy. Ensure both devices have available SFP28 ports and are not powered when you begin handling ports and connectors.
• Inspect connectors: Verify that both SFP28 connectors are clean and free of debris. Do not attempt to force the cable into the ports; alignment should be smooth and gentle.
• Align and insert: Hold the cable by the body and align each SFP28 end with its corresponding port. Insert straight until you feel a subtle click or secure seating.
• Verify link readiness: Power on the devices and check the status LEDs on the network ports. A steady link light and negotiated speed indicate a successful connection at 25 Gbps.
• Test and document: Run a quick throughput or data integrity test to confirm performance. Document the cable’s position in your inventory for future maintenance or upgrades.

Frequently asked questions

• What is a 25G Passive DAC SFP28 0.5m used for? It is a short-range, high-speed copper interconnect designed to connect SFP28-enabled devices within a data center or enterprise rack, delivering 25 Gbps without the need for optics or external power.
• What does “passive” mean in this context? A passive DAC cable contains no active electronics or powered components. It relies on the physical copper channel and device transceivers to transmit data, offering lower power consumption and reduced heat compared to active optical solutions.
• Is 0.5 meters long enough for typical rack deployments? Yes. The 0.5-meter length is ideal for close-proximity interconnects, such as top-of-rack to spine or switch-to-server connections, where distance is limited and performance is critical.
• Are SFP28 DAC cables universally compatible? SFP28 DACs follow the SFP28 MSA standard, which supports broad compatibility with many 25G-capable devices, including Extreme Networks switches and other SFP28-enabled equipment.
• How does this compare to optical cables? DAC cables provide lower latency, simpler installation, and lower cost for short links. They are typically preferred for intra-rack connections where the distance is short and the need for rapid deployment is high.