How to Buy

Northern Link distributors uphold substantial product inventories, guaranteeing swift deliveries alongside excellent customer service and support. Our certified installers excel in designing, supplying, and installing your Northern Link structured cabling system. They also offer repair and continuous maintenance services for all our products.  We provide a 25-Year Extended Warranty Program through our certified installers. Your satisfaction and peace of mind remain at the heart of our commitment.

Find a Distributor
Name

Quantum FO Cable Unarmored Dual Jacket, Indoor/Outdoor (Direct Burial) MM OM3 50/125

N1120.n2IODBURHEB

The Quantum FO Cable, Unarmored Dual Jacket Indoor/Outdoor (Direct Burial) MM OM3 50/125 is a high-performance fiber optic cable designed for reliable, high-speed data transmission in demanding environments. Featuring OM3 multimode technology, it supports Gigabit and 10G Ethernet applications. The cable’s dual-jacketed construction includes a Low Smoke Zero Halogen (LSZH) inner sheath for fire safety and a UV-resistant, rodent-resistant HDPE outer jacket for durability in both indoor and outdoor installations, including direct burial. Its loose-tube design with water-blocking yarn and glass yarn ensures moisture resistance and mechanical strength, making it ideal for backbone networks, campus installations, and data center connectivity. Compliant with IEC 60794 and IEC 60793 standards, it provides high bandwidth and robust environmental protection.

How To Buy

Download Spec Sheet

  • OM3 Multimode (50/125μm) : Supports high-speed data transmission for Gigabit and 10G Ethernet applications.
  • Unarmored Dual-Jacketed Design : Provides enhanced protection while maintaining flexibility for diverse installations.
  • LSZH Inner Jacket : Ensures low smoke and zero halogen emissions for safer indoor applications.
  • UV-Resistant & Rodent-Resistant HDPE Outer Jacket : Designed for outdoor environments, including direct burial.
  • Water-Blocking Loose Tube : Ø 0.25mm buffered fibers housed in a high modulus plastic tube filled with water-blocking yarn for moisture resistance.
  • Water-Blocking Aramid Yarn Strength Member : Enhances mechanical strength and durability.
  • Water-Blocking Glass Yarn Layer : Provides an additional moisture barrier before the outer HDPE sheath.
  • Water-Blocking Glass Yarn Layer : Provides an additional moisture barrier before the outer HDPE sheath.
  • Complies with IEC 60794 & IEC 60793 Standards : Ensures quality, performance, and reliability.

Material Specifications

Physical Fiber Count 6 12 24
Optical Fiber Color 1. Blue 2. Orange 3. Green 4. Brown 5. Grey 6. White 7. Red 8. Black 9. Yellow 10. Violet 11. Pink 12. Aqua ; The second set of 12 fibers, marked with black rings, is distinct from the first set of 12
Buffered fiber diameter 250 ± 5μm
Loose Tube Material PBT
Water Blocking Material Water Blocking Yarn
Inner Cable Strength Member Water Blocking Aramid Yarn
Inner Jacket Material LSZH
Inner Jacket Color Black
Outer Cable Strength Member Water Blocking Glass Yarn
Outer Jacket material HDPE
Outer Jacket Color Black
Cable Outer diameter 8.5 ± 0.5mm 8.5 ± 0.5mm 9.2 ± 0.5mm
Mechanical Tensile Performance (Short Term) 1000N
Tensile Performance (Long Term) 330N
Min. installation bending radius (Dynamic) 20 x OD
Min. operation bending radius (Static) 10 x OD

Environmental Specifications

Environmental Operation temperature range -40°C to + 75°C
Installation temperature range -20°C to + 60°C
Storage/Transport temperature range -40°C to + 75°C

Guaranteed Performance for 25 Years

Northern Link provides product, system performance, and application assurance warranties to certified Northern Link installers. Warranties are issued to installers working on projects that adhere to ANSI/TIA Standards for installation practices and system design. Download our Warranty Info Sheet for program details and full terms and conditions.

Download Warranty Info Sheet

Contact Northern Link Product Support

support@northernlink.com
Name

Associated Products

Quantum Fiber | FO Panels

FotonGuide Fiber Optic Patch Panel (Unloaded)

19” Rack Mount, 1U Sliding Type

Quantum Fiber | FO Panels

FotonGuide Fiber Optic Patch Panel (Unloaded)

19” Rack Mount, 2U Sliding Type

Quantum Fiber | FO Panels

FotonGuide Fiber Optic Patch Panel (Unloaded)

19” Rack Mount, 3U Sliding Type

Quantum Fiber | FO Cables

LazrOptimized FO Cable Distribution Tight Buffered

MM OM3 50/125, Indoor/Outdoor, Plenum with UV-Resistant PVC Jacket