OM4 Duplex Fiber Optic Patch Cord.

OM4 Duplex LC Fiber Patch Cord | Model: B40-OM4MJAJJ020

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Rel-Easy OM4 Duplex Fiber Optic Patch Cord PVC 20M | Model B40-OM4MJAJJ020 | High-Quality Rel-Easy OM4 Duplex Fiber Optic Patch Cord PVC 20M Manufacturer – CRXCabling

Improve installation quality with the reliable OM4 Duplex LC Fiber Patch Cord from CRXCabling—engineered for clean cable management, stable performance, and fast on-site setup.

Featuring specifications such as OM4 Duplex Fiber Optic Patch Cord. and produced under model B40-OM4MJAJJ020, this product is designed for professional use in commercial buildings, campus networks, industrial wiring, and modern data centers.

Tell us your project scale, routing needs, or installation environment, and we’ll recommend compatible jacks, panels, cables, and tools to help you complete your deployment efficiently.

Rel-Easy OM4 Duplex Fiber Optic Patch Cord PVC 20M

B40-OM4MJAJJ020

OM4 Duplex LC Fiber Patch Cord

OM4 Duplex Fiber Optic Patch Cord.
OM4 Duplex Fiber Optic Patch Cord.

The Rel-Easy OM4 fiber optic patch cord LOMMF (laser optimized multi-mode fiber) can easily cope with high-density cabling. It's easy to remove the OM4 duplex LC patch cord by using the patented tab. The zirconia ceramic ferrule can ensure stable signal transmission and the best insertion loss and return loss, making the network installation more secure.

The multimode fiber cable complies with ITU-T G.651.1, TIA/EIA 492AAAD, and IEC60793-2-10 standards, and complies with all RoHS environmental regulations. OM4 LOMMF connects to 10GBase-SR in education, enterprise, government, healthcare, finance, and commercial industries, and data centers.

The use of OM4 fiber cabling can ensure fast transmission, high reliability, and can reduce maintenance costs. And provide better network signals, contact us for more product information.

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)

Product Classification

Indoor or Outdoor Indoor, Outdoor
Solution Fiber
Product Name Fiber Patch Cord

General Specifications

Item model number B40-OM4MJAJJ020
Color Violet
Length(M) 20
Connector Type LC

Material Specifications

Jacket PVC
Material Zirconia, PC, PVC
Fiber Mode OM4
Fiber Count 2
Insertion Loss <0.3dB
Return Loss >35dB
Polish Type PC
Cable Diameter 3.0mm
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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