Professional-Grade OM4 Fiber Patch Cord Solutions for High-Speed Network Infrastructure

CRX delivers bend-resistant LC-LC duplex multimode fiber patch cords engineered for 25G, 40G, and 100G Ethernet applications across data centers, commercial buildings, and telecommunications networks with industry-leading 25-year product guarantee.

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How can we ensure our 25G/40G/100G data center network infrastructure meets performance standards while maintaining cost efficiency?

CRX's OM4 LC-LC fiber patch cords are engineered specifically for high-speed data center deployments, delivering certified performance up to 100G Ethernet with insertion loss below 0.3dB and return loss exceeding 35dB. Our LSZH-jacketed solutions provide mechanical protection for dense rack environments while maintaining the bend-resistance required for modern data center layouts. With 30 years of industry experience and a 25-year product guarantee, CRX delivers the reliability and performance assurance your critical infrastructure demands. Let us help you design a certified, future-proof fiber cabling strategy that supports your growth trajectory.

CRX's OM4 fiber patch cord delivers reliable passive optical performance ideal for GPON, FTTX, and LAN applications requiring low insertion loss (<0.3dB) and high return loss (>35dB). With over 30 years of structured cabling expertise and a 25-year product guarantee, this solution is backed by UL, ETL, Delta, and GHMT certifications. Whether upgrading existing infrastructure or deploying new 25G/40G/100G networks, CRX's multimode fiber patch cords provide the certified quality, performance consistency, and technical support required for mission-critical telecommunications and data center applications. Contact our team today to discuss customized fiber cabling solutions tailored to your network specifications and project requirements.

OM4 LC to LC Duplex Fiber Multimode Patch Cord 20M in LSZH Jacket

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B40-OM4KJIJJ020

LC OM4 Multimode Duplex Patch Cord

LC OM4 Zipcord Fiber Patch Cord
LC OM4 Zipcord Fiber Patch Cord

Bend-resistant LC to LC OM4 patch cord offer protection and quality transmission, and follow TIA/EIA 492AAAx and IEC60793-2-50 standards. The LC-LC multimode patch cord is ideal for data center, housing, education, LAN, SAN, commercial applications in data, video, and voice services.

The OM4 Fiber Optic Support 10G / 25G / 40G / 100G Application
  • 10G Ethernet speed up to 400m at 850nm (10Gbase-SR)
  • 25G Ethernet speed up to 100m at 850nm (25Gbase-SR)
  • 40G Ethernet speed up to 350m at 850nm (40Gbase-SWDM4)
  • 100G Ethernet speed up to 100m at 850nm (100Gbase-SWDM4)

Features

  • Mechanical protection by zip cord structured
  • Performance complies with IEC 60793-2-50 and ANSI/TIA-492CAAx standard
  • Commonly used in passive applications: GPON, FTTX and LANs

Product Classification

Indoor or Outdoor Indoor
Solution Fiber
Product Name Fiber Patch Cord

General Specifications

Item model number B40-OM4KJIJJ020
Color Violet
Length(M) 20
Connector Type LC

Material Specifications

Jacket LSZH
Fiber Mode OM4
Fiber Count 2
Insertion Loss <0.3dB
Return Loss >35dB
Polish Type PC
Cable Diameter 2.0mm x 4.2mm
Polarity A(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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