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Direct Attach Cable Lightwin LWO-DAC-QSFP28-1M, QSFP28–QSFP28, 1 m, black
Lightwin LWO-DAC-QSFP28-1M is a 1 m direct attach copper (DAC) cable with QSFP28 connectors on both ends. It is intended for short-reach, low-latency connections between QSFP28 ports in switches, servers and other network equipment, providing a simple plug-and-play link for rack and data centre environments. The cable has a black jacket and is designed for high-speed interconnects such as InfiniBand and 100 Gbit/s Ethernet applications.
The cable offers a fixed, low-latency copper connection that eliminates the need for transceivers, reducing power consumption and cost for short-distance links. Its QSFP28-to-QSFP28 configuration supports 100 Gbit/s speeds and is suitable for dense rack setups where reliable, direct port-to-port connectivity is required. The 1 m length and durable black jacket simplify installation and cable management in data centre racks.
Insert each QSFP28 connector into the corresponding QSFP28 port on your switches, servers or other network devices until the connector latches. No additional transceivers or configuration are required for basic link establishment; the cable provides a plug-and-play physical connection. Ensure ports are compatible with DAC cables and check device documentation for any port-specific settings or firmware requirements.
Use the cable for short-distance connections within the same rack or adjacent racks. Avoid excessive bending or tensile stress on the cable and maintain proper airflow in rack environments. For distances beyond 1 m or where optical isolation is required, consider appropriate optical transceivers and fibre cables.
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