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62.5/125μm Multimode Bare Fiber

Item No.: Y-FO-FC-035
62.5/125μm Multimode Fibre complies with or exceeds ISO/IEC 11801 OM1 specification, IEC 60793-2-10 type A1b Optical Fibre Specification, and TIA/EIA- 492AAAA-A detail specification.
Description Parameters Company Profile Related Product

Product Overview

Our 62.5/125μm OM1 multimode bare fiber provides reliable performance for legacy systems and maintenance applications. Compliant with ISO/IEC 11801 OM1 specifications, this fiber ensures compatibility with existing infrastructure.

62.5/125μm Multimode Bare Fiber

Technical Specifications

Parameter Specification
Core/Cladding 62.5/125μm
Fiber Grade OM1
Attenuation ≤3.5 dB/km @ 850nm
Bandwidth ≥200 MHz·km @ 850nm
Numerical Aperture 0.275 ± 0.015
Coating Acrylate, 245μm
Standards ISO/IEC 11801 OM1, IEC 60793-2-10
 

Key Applications

Legacy System Maintenance: Repairing and extending existing OM1 networks
Short-Distance LANs: Building and campus networks under 300m
LED-Based Systems: Compatible with older LED light sources
Industrial Control: Factory automation and process control

Product Advantages

  1. Compatible with existing OM1 infrastructure
  2. Larger core for easier connector alignment
  3. Cost-effective for short-distance applications
  4. Proven reliability in industrial environments

Frequently Asked Questions

Q: Can I mix OM1 with OM2/OM3?
A: Yes, but performance limited to OM1 specs.
Q: What is the maximum distance?
A: 300m for 1G Ethernet, 33m for 10G.
Q: Is this LED or laser optimized?
A: LED optimized for legacy equipment.

 







 
Specification:
Parameter values
Geometry Characteristics
Core Diameter -- 62.5±2.5 [μm]
Core Non-Circularity -- ≤5.0 [%]
Cladding Diameter -- 125.0±1.0 [μm]
Cladding Non-Circularity -- ≤1.0 [%]
Coating Diameter -- 245±7 [μm]
Coating/Cladding Concentricity Error -- ≤10.0 [μm]
Coating Non-Circularity -- ≤6.0 [%]
Core/Cladding Concentricity Error -- ≤1.5 [μm]
Delivery Length -- up to 17.6 [km/reel]
Optical Characteristics
Attenuation 850nm ≤2.7 [dB/km]
  1300nm ≤0.6 [dB/km]
Overfilled Modal Bandwidth 850nm ≥200 [MHz·km]
  1300nm ≥500 [MHz·km]
Numerical Aperture -- 0.275±0.015 --
Group Refractive Index 850nm 1.496 --
  1300nm 1.491 --
Zero Dispersion Wavelengthλ0 -- 1320~1365 [nm]
Zero Dispersion SlopeS0 1320nm≤ λ0 ≤1348nm ≤0.11 [ps/(nm2·km)]
  1348nm≤ λ0 ≤1365nm ≤0.0011458-λ0  [ps/(nm2·km)]
Macrobending Loss -- -- --
100 Turns @ 37.5 mm Radius 850nm ≤0.50 [dB]
  1300nm ≤0.50 [dB]
Backscatter Characteristics 1300nm    
StepMean of Bidirectional Measurement -- ≤0.10 [dB]
Irregularities Over Fibre Length and Point Discontinuity -- ≤0.10 [dB]
Attenuation Uniformity -- ≤0.10 [dB/km]
Environmental Characteristics 850nm & 1300nm    
Temperature Cycling -60℃ to 85℃ ≤0.10 [dB/km]
Temperature-Humidity Cycling -10℃ to 85℃4% to 98% RH ≤0.10 [dB/km]
Water Immersion 23℃, 30 days ≤0.10 [dB/km]
Dry Heat 85℃30 days ≤0.10 [dB/km]
Damp Heat 85℃, 85% RH30 days ≤0.10 [dB/km]
For more details, please contact our sales

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