Single-mode MPO branch jumpers are high-density fiber optic cables designed for efficient data transmission with low insertion loss and high return loss, commonly used in data centers for connecting MPO trunks to multiple LC ports.

Overview

Single-mode MPO branch jumpers, also known as MTP® harnesses, are used to split or fan out a multi-fiber MPO connector into multiple LC connectors, enabling high-density patching in data centers while saving space and simplifying cable management . They are particularly suitable for high-speed networks, including 40G, 100G, and 400G applications .

Key Specifications

• Fiber Type: Single-mode (OS2) for long-distance, low-loss transmission .
• Insertion Loss: Typically less than 0.75 dB for single-mode MPO jumpers, with high-quality versions achieving ≤0.35 dB .
• Return Loss: High return loss is essential to minimize signal reflection; APC connectors usually require ≥50 dB .
• Fiber Count: Common configurations include 8, 12, 24, 36, 48, 72, 96, and 144 fibers, with branch jumpers often fanning out 8 MPO fibers to 4 LC duplex connectors .
• Connector Types: MPO male or female on the trunk side, with LC UPC or APC connectors on the branch ends .
• Polarity: Type A (straight-through), Type B (cross), or Type C (cross pair) to match network requirements .
• Cable Jacket: LSZH or Plenum (OFNP) for fire safety and flexibility in data center environments .

Applications

• High-Density Data Centers: Efficiently connect MPO trunks to multiple LC ports, reducing cable clutter and improving airflow .
• High-Speed Networks: Supports 40G QSFP+ PLR4 to 10G SFP+ LR, 400G OSFP/QSFP-DD DR4 to 100G QSFP DR, and 400G OSFP/QSFP-DD XDR4 to 100G QSFP FR optics .
• Cost-Effective Deployment: Pre-terminated MPO branch jumpers reduce field termination time and errors compared to individual fiber splicing .

Practical Considerations

When selecting a single-mode MPO branch jumper, consider the insertion loss, return loss, fiber count, and connector type to ensure compatibility with your network equipment and maintain signal integrity . Using high-quality jumpers with low insertion loss and high return loss is critical for reliable high-speed data transmission . In summary, single-mode MPO branch jumpers provide a compact, high-performance solution for connecting multi-fiber trunks to multiple endpoints in modern data centers, supporting high-speed, low-loss, and scalable network deployments .