Fiber Passive Direct Attach Breakout Cable BlueOptics 100G-DACP-QSFP4SFP1M 1 m AWG26

BlueOptics 100G-DACP-QSFP4SFP1M is a passive fiber-style direct attach breakout cable designed for short-reach 100G breakout applications. The one-meter AWG26 assembly converts a single QSFP28/QSFP4 port into four independent SFP interfaces, enabling cost-effective and compact consolidation of uplinks or intra-rack connections in data centers and network closets. As a passive solution, the cable has no active electronics and provides a simple, low-power method to split a 100G link into four 25G or compatible SFP channels where supported by hardware.

Advantages

This passive direct attach breakout cable offers a compact, low-latency and power-free alternative to active optical modules or separate transceiver and patch-cord assemblies. The fixed one-meter length and AWG26 construction provide consistent signal integrity for short-distance links while reducing inventory complexity by combining a QSFP interface with four SFP endpoints in a single assembly. Its passive design minimizes operational power draw and heat generation compared with active solutions.

Suitable for

• Short-reach data center uplinks and top-of-rack to leaf switch aggregation
• Switch-to-transceiver consolidation where QSFP-to-SFP breakout is required
• Rack-level interconnects and patching in high-density network racks
• Lab and test environments requiring multi-channel access from a single QSFP port

Key specifications

• Cable type: passive fiber-style direct attach breakout
• Connector conversion: QSFP28/QSFP4 to four SFP
• Length: 1 meter
• Conductor size: AWG26
• Channel data rate: compatible with 100G aggregated and four 25G-equivalent lanes (dependent on host and module support)
• Application range: short-reach data center interconnects and rack-level aggregation

How to use

Install the BlueOptics passive breakout by inserting the QSFP end into the host QSFP28/QSFP4 port and seating the four SFP connectors into the target SFP ports on switches or transceivers. Ensure the host hardware supports QSFP-to-SFP breakout mode and that port configurations match the intended lane speeds. Handle connectors by their housings and avoid bending the cable below manufacturer-specified minimum bend radius to maintain signal performance and mechanical integrity.

Usage recommendations

Verify firmware and switch port settings for correct breakout operation before deploying in production. Use the one-meter length for short interconnects only; for longer runs, select appropriate active or optical solutions. Store and route the cable to prevent sharp bends and mechanical strain on connector ends.