LC to LC OM3 Multimode Fiber Optical Patch Cord for High-Density Data Center Networks

Professional-grade 25M short boot duplex patch cord engineered for compact networking environments with superior bend resistance and mechanical protection

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How can you maximize network capacity in limited rack space while maintaining superior signal integrity and transmission quality?

CRX's LC to LC OM3 short boot patch cord with 18.5mm compact design delivers the solution. Its bend-resistant fiber and zipcord structure provide sharper bending radius in high-density environments, reducing installation footprint while maintaining insertion loss below 0.3dB. Contact our team to optimize your data center cabling infrastructure and achieve 10G/25G/40G speeds with certified IEC/ANSI compliance.

Engineered to support next-generation Ethernet speeds, this OM3 fiber patch cord delivers 10G transmission up to 300m, 25G up to 70m, and 40G up to 240m at 850nm wavelength, ensuring future-ready connectivity for evolving network demands. With insertion loss below 0.3dB and return loss exceeding 35dB, combined with CRXCabling's industry-leading 25-year product guarantee and UL/ETL certifications, this solution represents a reliable, cost-effective choice for data center operators, network integrators, and telecommunications infrastructure professionals seeking certified, high-performance fiber connectivity solutions.

LC to LC OM3 Multimode Fiber Optical Patch Cord Short Boot 25M PVC OFNP Jacket

B40-OM3KLEJJ025

MM OM3 LC Duplex Fiber Cord

LC OM3 Zipcord Patch Cord
LC OM3 Zipcord Patch Cord

Short boot OM3 duplex patch cord is ideal for the high-density data center network environment by its' 18.5mm length boot. The LC to LC fiber Patch Cord OM3 with bend-resistant fiber gives excellent mechanical protection and excellenct transmission quality for networking under IEC and ANSI/TIA standards. The multimode duplex patch cord is compatible with optical fiber equipments for local area network, optical fiber communication system, and CATV applications.

The OM3 Fiber Optic Support 10G / 25G / 40G Application
  • 10G Ethernet speed up to 300m at 850nm (10Gbase-SR)
  • 25G Ethernet speed up to 70m at 850nm (25Gbase-SR)
  • 40G Ethernet speed up to 240m at 850nm (40Gbase-SWDM4)

Features

  • Work with high-density cabling environment
  • Provide sharper bending radius and flexibility in compact space
  • Mechanical protection by zip cord structured
  • Performance complies with IEC 60793-2-10 and ANSI/TIA-492AAAx standard

Product Classification

Indoor or OutdoorIndoor
SolutionFiber
Product NameFiber Patch Cord

General Specifications

Item model numberB40-OM3KLEJJ025
ColorAuqa
Length(M)25
Connector TypeLC

Material Specifications

JacketPVC OFNP
Fiber ModeOM3
Fiber Count2
Insertion Loss<0.3dB
Return Loss>35dB
Polish TypePC
Cable Diameter2.0mm x 4.2mm
PolarityA(Tx) to B(Rx)
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Additional Info
Additional Info for Fiber Optic Fiber

The Difference of Single-Mode (SM) and Multi-Mode (MM) Fiber

  • The core diameter of single-mode fiber is much smaller than multimode fiber, the single-mode fiber core diameter is 9µm; the single-mode fiber wavelength is 1310 nm and 1550 nm. 
  • Multimode fiber core diameter: 50µm or 62.5µm. 850nm and 1300nm wavelengths are used in multimode fiber cables.

Transmission distance is the key to choosing single-mode or multi-mode fiber, for data centers, multi-mode fiber optic cables are sufficient to meet the distance of 300 - 400 meters. In applications that require distances of up to several kilometers, single-mode fiber is the best choice.

Fiber Path Cord Polish Matters

The light loss will occur when a connector is installed, yet some will cause damage to laser light and disrupt the transmitted signal. Choosing the well polish connector will reduce the back reflections of light.

  • PC: Physical Contact polish with -35dB Return Loss measurement
  • UPC: Ultra Physical Contact polish with -55dB Return Loss measurement
  • APC: Angled Physical Contact polish (8-degree angle) with -60dB Return Loss measurement

Can I mix single-mode and multi-mode fiber?
The core sizes of multimode fiber and single-mode fiber are different, and the transmitted light mode is also different. If two optical fibers are mixed or directly connected together, a large amount of optical loss will be lost, resulting in link jitter or disconnection. Remember, never mix different types of cables randomly.


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