40G QSFP+ to 4×10G SFP+ Active Optical Breakout Cable, Armored, Industrial-Grade

• 40G QSFP+ to 4×10G SFP+ active optical breakout cable
• Four-channel full-duplex optical transmission
• Data rate up to 10.3125Gbps per lane
• Aggregate bandwidth up to 40Gbps
• 850nm VCSEL array transmitter
• PIN array receiver
• Compliant with QSFP+ MSA and SFP+ MSA
• Supports 40G Ethernet and 10G Ethernet applications
• Transmission distance up to 82m over OM2 multimode fiber
• Low power consumption: ≤1.4W at QSFP+ end
• Low power consumption: ≤0.8W per SFP+ end
• 3.3V single power supply
• DDM/DOM supported
• NRZ modulation
• COB optical packaging
• Armored cable construction for enhanced mechanical protection
• LSZH cable jacket

• 40G to 4×10G Ethernet breakout
• 40G switch-to-4×10G server connectivity
• Data center network migration
• 40G network expansion and port utilization
• Switch-to-server connections
• Switch-to-storage connectivity
• High-performance computing (HPC)
• Industrial Ethernet networks
• Telecommunications infrastructure
• Enterprise network upgrades
• High-density rack interconnects

OEM and customized 40G QSFP+ to 4×10G SFP+ AOC solutions are available for network equipment manufacturers, system integrators, distributors, and large-scale infrastructure projects. Customization options may include cable length, fiber type, armored construction, connector labeling, product identification, packaging, branding, and other project-specific requirements.

For industrial deployments and volume orders, compatibility testing can be performed with specific switches, servers, NICs, storage equipment, and other networking platforms. Customers can provide the target equipment models, required transmission distance, operating temperature range, cable length, and quantity for configuration evaluation.

How does a 40G QSFP+ to 4×10G SFP+ breakout cable work?

The QSFP+ end contains four independent optical lanes, while each SFP+ connector carries one 10G-class lane. The cable therefore distributes the four lanes of a 40G QSFP+ interface into four separate 10G SFP+ connections, allowing one 40G port to communicate with four individual 10G ports.

Can all four SFP+ ends operate independently?

Yes. Each SFP+ branch represents an independent optical lane. When the host equipment supports the appropriate breakout configuration, the four SFP+ connections can communicate with four separate 10G ports or devices.

What is the advantage of an AOC breakout cable compared with four separate optical links?

The AOC integrates the optical components and fiber paths into a single factory-terminated assembly. This reduces the number of individual components, simplifies cable management, and can lower installation complexity compared with deploying multiple transceivers and separate fiber patch cables.

Why is this model specified as industrial-grade?

The cable is specified for an operating temperature range of -40°C to +85°C, considerably broader than a typical commercial-grade networking cable. Combined with its armored construction, this makes it more suitable for industrial equipment, telecommunications systems, and other environments with greater temperature variation or mechanical demands.

Can this cable be used for a 40G-to-10G network migration?

Yes. The breakout architecture is particularly useful when a network is transitioning from 40G to multiple 10G connections. A 40G QSFP+ switch port can be connected to four 10G SFP+ ports, helping increase port utilization without requiring four separate fiber assemblies.

Does the cable support 10G Ethernet and 40G Ethernet simultaneously?

The cable provides four independent optical lanes, but the actual operating mode is controlled by the connected equipment. It can support a 40G QSFP+ breakout configuration to four 10G Ethernet interfaces when the host switch or other networking equipment supports the required breakout functionality.