Specialty Fiber Cables
A high-tech enterprise specializing in the research and development of optical fiber communications and manufacturing.
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A high-tech enterprise specializing in the research and development of optical fiber communications and manufacturing.
The armored fiber patch cable with built-in metal armor can resist mechanical damage from crushing, abrasion, cutting, and pulling in the most hazardous areas. It can protect fibers and prevent network outages. Armor construction eliminates the need for conduit to provide a smaller, crush-resistant pathway for improved design flexibility and lower installed cost.
Product Highlights
Helical Steel Armor Provides Additional Crush, Bending, Pulling, and Rodent Protection
Eliminate the Need for Conduits to Improve Design Flexibility and Lower Installed Costs
Pull-proof Jacket with Max. 225N Tensile Strength
G.657.A1 Bend-Insensitive Fiber & 10/5D (Dynamic/Static) Min. Bend Radius
Precision Zirconia Ferrule Connectors Ensure Low Loss
Used in Intrabuilding Backbone, Horizontal Installations, and Applications Requiring Extra Ruggedness
Specifications
| Connector Type | LC to LC | Polish Type | UPC to UPC |
| Fiber Mode | OS2 9/125μm | Fiber Count | Simplex |
| Fiber Grade | G.657.A1 (Compatible with G.652.D) | Min. Bend Radius (Fiber Cable) | 10/5D (Dynamic/Static) |
| Cable Outside Diameter (OD) | 3.0mm | Flame Rating | Riser (OFCR-Optical Fiber Conductive Riser) |
| Construction Type | Single Armored, Stainless Steel Tube | Tensile Strength | 120/225N (Long/Short Term) |
| ≤0.3dB | Return Loss | Return Loss | ≥50dB |
| Operating Temperature | -20 to 70°C (-4 to 158°F) | Storage Temperature | -40 to 70°C (-40 to 158°F) |
Connectivity Solutions
Features
Tough Steel Tube Protects Network Connection Further
The stainless steel tube can provide great protection against optical fiber breakage and mechanical damage to create a reliable and high-performance fiber optic network.
Carrier-Grade Cable Ensures Transmission Quality
Superior cable assemblies ensure stable signal transmission and long-term reliability, minimizing failure rates.
Meet the Various Indoor Installation Needs
The exceptional durability of armored cables can be used to protect fibers and improve the reliability of the network for a variety of applications.
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| Armored OS2 Cables | Standard OS2 Cables | |
| Fiber Count | Simplex / 1 Fiber | Simplex / 1 Fiber |
| Fiber Grade | G.657.A1 | G.657.A1 |
| Jacket | Riser (OFCR-Optical Fiber Conductive Riser) | Riser (OFNR) |
| Cable Diameter | 3.0mm | 2.0mm |
| Insertion Loss | ≤0.3dB | ≤0.3dB |
| Min. Bend Radius (Fiber Cable) | 10/5D (Dynamic/Static) | 10/5D (Dynamic/Static) |
| Operating Temperature | -25 to 70°C (-13 to 158℉) | -20 to 70°C (-4 to 158℉) |
| Application | Indoor, Hazardous Areas | Indoor, General Building |
FAQ
Q1. What is an armored fiber patch cable?
An armored fiber patch cable (also called armored fiber jumper or armored patch cord) is a fiber optic jumper with a built-in metal armor layer — typically stainless steel interlocking armor — wrapped around the fiber core and protected by an outer jacket. This built-in metal armor resists mechanical damage from crushing, abrasion, cutting, and pulling in the most hazardous areas, protecting fibers and preventing network outages. The armor construction eliminates the need for conduit, providing a smaller, crush-resistant pathway for improved design flexibility and lower installed cost.
Q2. What are the key specifications of this KEXINT armored patch cable?
Fiber count: 1 fiber (simplex)
Connector: LC/UPC to LC/UPC simplex
Fiber mode: Single mode OS2 9/125μm, G.657.A1 (compatible with G.652.D)
Jacket rating: Riser (OFCR)
Cable diameter: 3.0mm
Jacket color: Blue
Typical insertion loss: ≤0.2dB; return loss: ≥50dB (UPC)
Q3. What does the metal armor protect against?
The stainless steel interlocking armor protects the fiber from crushing, abrasion, cutting, and pulling, and provides strong resistance against rodent bites. It is designed for the most hazardous environments where standard patch cords would fail — protecting fibers and preventing network outages.
Q4. What is the difference between armored and non-armored fiber patch cables?
A standard (non-armored) fiber patch cord has only a PVC/LSZH jacket, which is flexible but vulnerable to crushing, cutting, and rodent damage. An armored fiber patch cable adds a metal armor layer between the fiber and the outer jacket, offering crush resistance and rodent protection without needing conduit. The trade-off is slightly larger diameter (3.0mm vs 2.0mm) and reduced flexibility compared to unarmored jumpers.
Q5. What does OS2 single mode mean? OS2 is the ISO/IEC 11801 designation for single mode (9/125μm) optical fiber optimized for outdoor/long-reach links. OS2 single mode fibers support 10G, 40G, 100G and beyond over long distances, making this armored fiber jumper suitable for campus backbones, data center interconnects, and carrier networks.
Q6. What fiber grade is used, and why does it matter? This armored patch cable uses G.657.A1 fiber, fully compatible with G.652.D. G.657.A1 is a bend-insensitive single mode fiber that tolerates tighter bend radii without significant signal loss — important when routing armored cables through confined spaces, corners, and cable trays.
Q7. What does LC/UPC simplex to LC/UPC simplex mean? It means both ends of the patch cord are terminated with LC connectors using UPC (Ultra Physical Contact) polish, and the cable contains a single fiber (simplex). LC is a small-form-factor connector widely used in high-density data center and enterprise cabling; UPC polish provides low insertion loss and high return loss (≥50dB) for single mode applications.
Q8. Is a 3.0mm armored cable still flexible? Yes. The 3.0mm diameter includes the metal armor and outer jacket, but interlocking armor is designed to flex while resisting crush. For comparison, unarmored patch cords are typically 2.0mm, while armored versions are commonly 3.0mm — a modest size increase that pays off in mechanical protection. Flexible armored fiber jumpers are widely used in limited-space installations.
Q9. What does OFCR / Riser rating mean?
OFCR stands for Optical Fiber Conductive Riser, a UL fire-safety rating for optical fiber cables permitted for vertical runs between floors (riser spaces) in commercial buildings. Riser-rated armored fiber is a standard requirement in North American building projects; it is NOT suitable for plenum air-handling spaces — for those, choose OFNP (plenum) rated cable.
Q10. Can I use this riser-rated armored cable without conduit?
Yes — that is one of its key advantages. The built-in metal armor provides the mechanical protection that conduit would otherwise provide, eliminating the need for conduit to deliver a smaller, crush-resistant pathway. This improves design flexibility and lowers installed cost, especially in retrofit and industrial installations.
Q11. Where is this armored fiber patch cable typically used?
Typical applications include: data center cabling and high-density patching, enterprise and campus networks, industrial automation and factory floors, FTTH/FTTA deployments, outdoor-to-indoor transitions, security/monitoring systems, and any harsh environment where crush, abrasion, or rodent protection is required.
Q12. Is this armored fiber jumper rodent resistant?
Yes. The stainless steel interlocking armor is an effective barrier against rodent bites, a common cause of fiber failure in warehouses, basements, tunnels, and outdoor-adjacent installations. This makes it an ideal rodent-proof fiber jumper for industrial sites.
Q13. What are the optical performance specifications?
Typical optical performance: insertion loss ≤0.2dB, return loss ≥50dB (UPC polish). All cables are 100% factory-tested before shipping. Exact values are listed in the KEXINT datasheet and can be customized per project requirements.
Q14. What are the mechanical specifications — tensile load and crush resistance?
The armor layer significantly increases both tensile strength and crush resistance compared to standard jumpers (typical tensile strength >10kg for patch cords; armored versions withstand substantially higher crushing forces). Specific values depend on construction and are verified in factory testing — contact KEXINT for the full mechanical spec sheet.
Q15. What is the operating temperature range?
Standard operating temperature is -40°C to +85°C, suitable for both indoor and outdoor-adjacent environments. Temperature stability testing shows ≤0.2dB variation over the full range.
Q16. Can I customize length, connectors, or polish type?
Yes. KEXINT offers full customization: any length from 0.5m to custom spool lengths; connector types LC, SC, FC, ST; polish types UPC or APC; simplex or duplex; jacket colors; and custom labeling. Customized OEM/ODM branding is available for bulk orders.
Q17. What are the MOQ and lead time?
MOQ starts from 1 piece for samples (sample price available on request). Standard production MOQ is 100 pieces; lead time is typically 7–15 days depending on quantity and customization. KEXINT production capacity supports up to 10,000 pieces per day.
Q18. What certifications does the KEXINT armored fiber patch cable have? KEXINT products are manufactured under ISO 9001:2015 quality management and comply with RoHS and CE requirements. UL-rated jackets (OFCR riser) are used in this product. Certificates are available on request for your project documentation.
Q19. How do I place a bulk order or request a quote?
Send your inquiry via the website contact form, email (info@kexint.com), or WhatsApp. To quote accurately, please provide: fiber count, connector type and polish (e.g., LC/UPC), fiber mode (OS2/OM3/OM4), cable diameter, length, jacket rating (riser/plenum), and quantity. Our sales team responds within 24 hours.
Q20. How is quality controlled, and what warranty do you offer?
Every armored fiber patch cable undergoes 100% end-face inspection, insertion/return loss testing, and finished-product testing before shipment. KEXINT offers a 3-year warranty on fiber patch cables. We are an ISO 9001-certified armored fiber optic cable manufacturer with factory-direct pricing.
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