NSComm MPO 12F to 2xMPO 4F APC Breakout Cables, 8 Fibers, Multimode (OM4), OFNF, Low Loss, Polarity Type B
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Solutions
Features
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Bend insensitive fibre paired with high-performance MPO connectors delivers reliable connectivity for dense data centre and carrier-grade applications.
Overview
The NSComm MPO 12F to 2xMPO 4F APC low loss breakout cable is a high-density OM4 multimode fanout solution engineered for 400G/800G data center architectures. With one 12-fiber MPO-12 APC (Female) trunk splitting into two 4-fiber MPO-4 APC (Female) legs, this assembly provides a 4-channel-to-two 2-channel splitter design that uses 8 active fibers for transmission and 4 inactive fibers as additional strength members. The APC endfaces feature an 8-degree angled polish to deflect internal back reflections away from sensitive transceivers, helping maintain signal integrity at high data rates.
Built with bend-insensitive OM4 50/125 μm multimode fiber and a riser-rated OFNR jacket, this Type B breakout cable is ideal for short-reach parallel optics deployments in high-density racks. When used in pairs, two MPO-12 to 2×MPO-4 APC cables can link an 800G NVIDIA InfiniBand twin-port OSFP transceiver to four 400G NVIDIA InfiniBand OSFP/QSFP112 transceivers, enabling efficient 1×800G-to-4×400G fanout in high-speed multimode links. When 400G transceivers are used with the 1:2 breakout, only two channels are activated per leg, effectively creating 200G links. Compared with separate breakout cassettes, MPO breakout cables reduce interconnect points, lower insertion loss, and provide a more cost-effective solution.
Need help verifying polarity, fiber mapping, or compatibility with your 400G/800G SR optics? Contact us now and our team will help validate your design before deployment.
Key Specifications
| Specification | Details |
|---|---|
| Vendor Name | NSComm |
| Product Type | MPO 12F to 2xMPO 4F APC Multimode Breakout Cable |
| Connector A | MPO-12 APC Female (Pinless), Low Loss |
| Connector B | 2 × MPO-4 APC Female (Pinless), Low Loss |
| Polish Type | APC to APC, 8° angled endfaces |
| Fiber Mode | OM4 50/125 μm Multimode |
| Glass Fiber | Bend-insensitive multimode fiber |
| Wavelength | 850 nm / 1300 nm |
| Fiber Count | 8 Active Fibers (4 channels) + 4 Inactive Fibers |
| Polarity | Type B |
| 400G Ethernet Distance | Up to 50/100 m at 850 nm (application dependent) |
| 800G Ethernet Distance | Up to 50 m at 850 nm (application dependent) |
| Cable Outside Diameter (OD) | 3.0 mm (trunk, typical) |
| Cable Jacket | Riser-rated, OFNR |
| Minimum Bend Radius | 7.5 mm |
| Trunk Length | 0.2 m (typical trunk before breakout) |
| Installation Tensile Load | 66 N |
| Tensile Strength | 60/120 N (Long/Short Term) |
| Insertion Loss | Low Loss, ≤ 0.35 dB Max (Typ. 0.15 dB) |
| Return Loss | ≥ 45 dB (APC) |
| Attenuation @ 850 nm | ≤ 2.3 dB/km |
| Attenuation @ 1300 nm | ≤ 0.6 dB/km |
| Operating Temperature | -10 to 60 °C (14 to 140 °F) |
| Storage Temperature | -10 to 70 °C (14 to 158 °F) |
| Standards Compliance | MPO interface standards, OM4/MMF, RoHS compliant |
| Applications | 1×800G to 4×400G fanout, 400G to 200G downshift, high-speed MM breakout in leaf–spine DC |
Why Choose NSComm MPO 12F to 2xMPO 4F APC Low Loss OM4 Breakout Cables?
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Optimized for 400G/800G SR fanout – Designed to link 800G twin-port OSFP transceivers to multiple 400G OSFP/QSFP112 SR optics.
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Efficient 4-to-2 channel splitter design – Uses 8 active fibers and 4 inactive fibers for robust, high-density deployment.
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Lower loss vs. cassette solutions – Direct MPO breakout reduces connector counts and overall insertion loss.
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High return-loss APC performance – 8° angled APC endfaces help minimize back reflections and improve signal quality.
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Bend-insensitive OM4 multimode fiber – Maintains optical performance in tight routing and dense patching environments.
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Riser-rated OFNR construction – Suitable for structured cabling, in-cabinet routing, and large-scale data center backbones.
Length Options
Standard stocked lengths:
Available in common breakout lengths tailored for short-reach 400G/800G patching between switches and transceivers within and between racks.
Custom lengths:
Custom trunk lengths, breakout leg lengths, labeling, and configurations are available on request to match your panel layouts, trunk routing, and optics locations.
More Details
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Email: help@network-switch.com
Before returning any products, please contact us to explain the issues you are experiencing. In many cases, we can resolve the problem through technical support, and you won't need to return the product.
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Please do not return any items without first contacting us. We will guide you through the process, including the appropriate shipping methods.