The Netsys NS-401SM144 is an ultra-high-density 144-core OS2 Singlemode fiber optic cable, engineered for massive data throughput over long distances. Featuring a 9/125µm core/cladding diameter, this carrier-grade cable is the definitive solution for core network backbones, metropolitan area networks (MANs), and large-scale data center interconnects where high fiber counts and minimal signal loss are non-negotiable.
Technical Specifications:
| Feature | Details |
| Brand/Model | Netsys NS-401SM144 |
| Fiber Category | OS2 Singlemode (Low Water Peak) |
| Fiber Count | 144 Cores |
| Core/Cladding | 9/125µm |
| Transmission Distance | Up to 10km (10GbE) / Up to 40km+ (Extended) |
| Data Rate Support | 10G, 40G, 100G, 400G, and 800G Ethernet |
| Attenuation | $\leq 0.35$ dB/km @ 1310nm; $\leq 0.22$ dB/km @ 1550nm |
| Standard Jacket Color | Yellow (Standard for OS2) |
Key Product Features
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Massive 144-Core Density: Designed to support high-capacity infrastructure, allowing for extensive network branching or high-bandwidth parallel optics in a single, space-saving cable profile.
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OS2 Singlemode Performance: Optimized for long-haul transmission with “Low Water Peak” characteristics, ensuring stable performance across the entire 1260nm to 1625nm wavelength range.
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Future-Proof Bandwidth: Unlike Multimode fibers (OM2/OM3/OM4), OS2 has virtually unlimited modal bandwidth, making it compatible with future 400G and 800G networking standards.
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Loose-Tube Construction: Typically features a loose-tube, gel-filled (or dry-blocked) design to protect the 144 individual fibers from moisture, mechanical stress, and temperature fluctuations.
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Simplified Identification: Fibers are organized into color-coded sub-units (typically 12 tubes of 12 fibers each) for efficient splicing and cable management at high-density patch panels.
Primary Applications
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Metropolitan & Wide Area Networks (MAN/WAN): Connecting city-wide infrastructures or remote office branches over several kilometers.
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Hyperscale Data Centers: Serving as the primary spine-and-leaf backbone for massive server farms.
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ISP & Telecom Infrastructure: Ideal for Fiber-to-the-Home (FTTH) or Fiber-to-the-Building (FTTB) distribution hubs.
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Campus Core Links: Providing the main high-capacity link between central data centers and various campus buildings.


























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