DAC Cable CBO A9547044 30m QSFP direct-attach copper cable

BlueOptics DAC Cable CBO A9547044 30m QSFP direct-attach copper cable is a fixed-length, short-range copper connection designed for QSFP ports. With a 30 meter length, this direct-attach cable provides a low-latency, high-throughput physical link between compatible QSFP interfaces on switches, routers and network appliances. The assembly is intended for data centre interconnects, rack-to-rack links and equipment upgrades that require a reliable copper QSFP connection at this distance.

Advantages

This QSFP direct-attach copper cable offers predictable electrical performance and minimal latency compared with longer optical conversions. The fixed 30 m length simplifies installation planning and cable management in server rooms and data centre racks. As a copper DAC, it eliminates the need for separate transceivers while providing a cost-effective option for short-distance high-speed links. The cable construction supports straightforward deployment and stable connectivity between QSFP-enabled devices.

Suitable for

• Data centre rack-to-rack connections where QSFP ports are available
• High-throughput short-range links between switches and routers
• Upgrading or expanding network appliances that use QSFP interfaces
• Server clusters and top-of-rack to aggregation switch connections

Key specifications

• Connector type: QSFP direct-attach copper (fixed cable)
• Cable length: 30 m
• Cable medium: copper twinax construction for short-range high-speed links
• Typical use: short-range, low-latency interconnects in network equipment
• Compatibility: designed for devices with QSFP ports supporting direct-attach copper

How to use

Install the cable by inserting each QSFP connector into the corresponding QSFP port on your switches, routers or network appliances until the latch engages. Ensure both ends are connected to QSFP-capable ports and that devices are powered off or follow your organisation’s hot-plug procedure if supported. Verify link status and negotiated speed through device management interfaces or LED indicators. Route the cable within racks to avoid sharp bends and stress points, maintaining appropriate bend radius and strain relief to preserve signal integrity.

Usage recommendations

For reliable operation, confirm QSFP compatibility and supported link speeds on both endpoints before deployment. Maintain appropriate rack cable management and avoid tight bends; store and handle the cable to prevent kinking or connector damage. Use direct-attach copper for short-range connections where low latency and cost-effectiveness are priorities; consider optical transceivers for longer distances.