Description
The Eaton N858B-38M-3X8MG is a premium 40/100 GbE multimode 50/125 OM4 fiber optic cable designed for high-density enterprise and data-center environments. Engineered for superior performance and bandwidth, this 38-meter (124.7 ft.) cable supports transmission speeds up to 400 Gb Ethernet across short distances, ensuring reliable connectivity for cloud services, hyperscale data centers, and telecom infrastructures.
Featuring a magenta LSZH (Low-Smoke Zero-Halogen) jacket, the cable allows easy identification in crowded racks while minimizing toxic smoke emissions during combustion—ideal for poorly ventilated installations. The 3×8-fiber MTP/MPO-PC connectors enable efficient trunking, quick deployment, and seamless scalability from 10 Gb to 400 Gb networks. Backward compatibility ensures investment protection for future network upgrades.
| Category | Details |
|---|---|
| Model Number | N858B-38M-3X8MG |
| Technology | Multimode Fiber Optic |
| Optical Mode | OM4 |
| Network Compatibility | 40 Gbps / 100 Gbps / 400 Gbps |
| Wavelengths Supported | 850 nm / 1300 nm |
| Attenuation | 3.5 dB/km (@ 850 nm); 1.5 dB/km (@ 1300 nm) |
| Insertion Loss | 0.35 dB |
| Polarity | Type B (Cross) |
| Endface Polish | PC |
| Connectors | Side A: 12F MPO (Female); Side B: 24F MPO (Female) |
| Fiber Count | 24 Fibers (3×8 F) |
| Cable Length | 38 m (124.7 ft.) |
| Cable Jacket Material | LSZH, OFNR-rated |
| Jacket Color | Magenta |
| Connector Color | Black / Magenta |
| Outer Diameter | 4.5 mm |
| Minimum Bend Radius | 20 mm (dynamic) / 10 mm (static) |
| Operating Temperature | –10 °C to 60 °C (14 °F to 140 °F) |
| Operating Humidity | 5 % – 85 % RH (non-condensing) |
| Certifications | UL 1666, CE (Europe), RoHS, REACH |
| Warranty | Lifetime Limited Warranty |
Payment & Security
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Return Policy (Short Summary)
We offer a 30-day return window for most unopened, factory-sealed items.
Returns must be authorized before shipping back and must include all original packaging and accessories. Opened or used items are not returnable unless defective.
Some products—such as custom orders, special-order items, audio gear, software, and LED video walls—are non-returnable. Non-defective returns may be subject to a 20–30% restocking fee, and customers are responsible for return shipping costs.
For damaged or incorrect items, please contact us immediately.
From Scope to Sign-Off
A structured delivery process designed to reduce risk and keep projects moving.
Plan
Discovery, site review, requirements gathering, and project alignment. We define scope, constraints, and success criteria before any design work begins.
- Discovery calls & stakeholder interviews
- On-site survey & infrastructure review
- Requirements & use-case documentation
- Project scope, timeline & milestone alignment
Engineer
System design, schematics, signal flow, BOM development, and documentation. Every project leaves this phase with a complete engineering package.
- AV system design & signal flow diagrams
- Equipment selection & BOM development
- Rack layout & control system design
- As-built documentation package
Deploy
Procurement, logistics, installation, programming, commissioning, and training. We own the delivery from first shipment to final handoff.
- Authorized procurement & logistics coordination
- Physical installation & cable management
- Control system programming & configuration
- Commissioning, testing & end-user training
Support
Monitoring, maintenance, lifecycle planning, and long-term service agreements. We stay engaged long after project close.
- 24/7 remote system monitoring
- Preventive & reactive maintenance
- Technology lifecycle & refresh planning
- Long-term service level agreements
A decade of delivery — trusted by 275+ clients across industries
