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MPO-16 to 2xMPO-8 Breakout Cable | Low Loss Single Mode Fiber

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Product Details

1. Product Description

The MPO-16 to 2xMPO-8 SMF Breakout Cable is a high-performance Single-Mode (OS2) fiber assembly designed for high-density network transitions. It features a single MPO-16 connector on one end, which splits into two MPO-8 connectors on the other end. This "Low Loss" (LL) cable is engineered for critical link budgets in 400G/800G data center environments.

2. General Specifications

Item Specification
Connector A 1 x MPO-16 (Female, Unpinned)
Connector B 2 x MPO-8 (Female, Unpinned)
Fiber Type Single-Mode OS2 9/125μm (G.657.A1)
Fiber Count 16-Cores Total (2 x 8-Core Branches)
Polish Type APC (8° Angled Physical Contact) or UPC
Insertion Loss (LL) Low Loss: ≤ 0.35 dB (Typical 0.20 dB)
Return Loss (RL) APC ≥ 65 dB / UPC ≥ 50 dB
Jacket Material LSZH (Low Smoke Zero Halogen)
Jacket Color Yellow (Standard Single-Mode)
Cable Diameter 3.0mm Trunk / 3.0mm Branches

3. Optical & Mechanical Performance

  • Operating Wavelength: 1310nm / 1550nm

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

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

  • Minimum Bend Radius: 10mm (G.657.A1 Enhanced Bend Sensitivity)

  • Compliance: RoHS, REACH, TIA-604-5 (FOCIS 5), IEC 61754-7

4. Polarity Configuration

Standard breakout cables typically follow a Type A or Type B mapping to ensure consistent signal flow from the 16-core trunk to the two 8-core branches.

  • Port 1 (MPO-16): Fibers 1-8 → Branch A (MPO-8)

  • Port 1 (MPO-16): Fibers 9-16 → Branch B (MPO-8)

Product Applications

The MPO-16 breakout cable is a specialized component used to bridge different generations of networking hardware.

1. 400G to 2x200G Network Splitting

One of the most common applications is splitting a single 400GBASE-DR8 port (which uses a 16-fiber MPO interface) into two 200G-DR4 links. This allows data center managers to connect high-capacity switches to mid-tier distribution switches or servers.

2. High-Density Distribution in Structured Cabling

In large-scale data centers, this cable is used to transition from 16-fiber backbone trunks to 8-fiber hardware interfaces. It optimizes port utilization on high-density line cards where space is at a premium.

3. Leaf-Spine Architecture Interconnects

For Single-Mode long-reach applications, this cable enables the interconnection of leaf and spine switches across different rows. The "Low Loss" (LL) characteristic is vital here, as it provides more headroom for multiple connections in a single link path.

4. Transceiver Interoperability

It is used to interconnect different types of transceivers, such as:

  • Connecting one QSFP-DD/OSFP DR8 (16-core) transceiver to two QSFP56 DR4 (8-core) transceivers.

  • The APC polish ensures minimal back-reflection, which is critical for the PAM4 signaling used in 400G/800G transmissions.

5. AI Cluster Scaling

In AI and Machine Learning fabrics, where massive parallel processing is required, these breakout cables allow for flexible scaling of the compute fabric by distributing high-speed bandwidth from a central switch to multiple compute nodes.

  • Shop MPO-16 to 2xMPO-8 SMF Breakout Cables. Ideal for 400G to 2x200G transitions, featuring Low Loss connectors, APC/UPC polish, and LSZH jackets for high-density data centers.  MPO-16 breakout, 400G to 200G fiber split, MPO-16 to MPO-8 SMF, Low Loss MPO cable, OS2 16-core breakout.

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