1. Product Overview

The MPO12 to 2x MPO12 OM4 Multimode Breakout Cable is a specialized fiber assembly that utilizes 8 active fibers to bridge the gap between high-capacity switch ports and distribution hardware. Featuring Low Loss (LL) connectors and laser-optimized OM4 fiber, this cable is engineered for the demanding power budgets of modern data centers utilizing SR4 and SR8 transmission protocols.

2. General Specifications

3. Optical Performance

4. Mechanical Characteristics

• Operating Temperature: -20°C to +70°C

• Storage Temperature: -40°C to +85°C

• Tensile Strength: 100N (Short-term) / 50N (Long-term)

• Minimum Bend Radius: 7.5mm (Bend-Insensitive OM4)

• Durability: >500 mating cycles

Product Applications

The MPO-12 to 2x MPO-12 Y-Cable is a strategic asset for optimizing port utilization in 40G and 100G architectures:

1. 100G to 2x 50G / 40G to 2x 20G Transition

This cable is frequently used to break out a single high-speed transceiver port (such as a 100G QSFP28) into two lower-speed MPO-based channels. This allows for a more granular distribution of bandwidth across the network fabric without the need for multiple discrete patch cords.

2. Spine-Leaf Parallel Connectivity

In hyperscale data centers, this breakout cable facilitates the connection between spine switches and leaf switches. By splitting the 8-fiber signal into two MPO-12 branches, it enables a single spine port to communicate with two separate leaf nodes, increasing the efficiency of the network topology.

3. Aggregating 4-Fiber Links into 8-Fiber Trunks

In scenarios where 4-fiber SR (Short Reach) signals are being used, this "Y" configuration allows for the aggregation of two separate 4-fiber links into a single MPO-12 backbone port. This maximizes the utilization of expensive high-density trunking infrastructure.

4. High-Density Patching & Cassette Interconnects

Ideal for interconnecting MPO cassettes in high-density distribution frames (ODF). The Low Loss (LL) connectors are critical here, as they provide the necessary optical "headroom" to allow for multiple connection points in a single link without exceeding the power budget.

5. Efficient Airflow in AI & HPC Clusters

Artificial Intelligence (AI) and High-Performance Computing (HPC) clusters generate immense heat. By using a single trunk cable that branches out only at the equipment interface, this cable reduces physical obstruction in front of cooling fans, ensuring stable operating temperatures for critical hardware.

Professional Note:

For 8-fiber applications (SR4), only the outer 4 fibers on each side of the MPO-12 connector are typically used. When utilizing this MPO12-to-2xMPO12 breakout, ensure that your equipment's pinning and polarity requirements (Pinned vs. Unpinned) are strictly matched to avoid signal failure. High-performance MPO to 2x MPO OM4 breakout cable for 100G/400G networks. Features 8-core fiber, Elite Low Loss connectors, and Erika Violet LSZH jacket. MPO to 2x MPO breakout, MPO Y-cable, 8-fiber OM4 harness, 100G to 2x50G split, Low Loss MPO cable, Erika Violet fiber patch cord, SR4 breakout cable.