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.
1F, SC UPC Simplex to SC APC Simplex, Riser (OFCR), OS2, Armored, 3.0mm
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
Specification
| Connector Type | SC to SC | Polish Type | UPC to APC |
| 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) |
| Insertion Loss | < 0.3 dB | Return Loss | > 50 dB |
| 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 a KEXINT armored fiber patch cable?
It is a factory-terminated single-fiber (simplex) patch cable with an interlocked steel armor layer built into the 3.0mm jacket. It delivers the optical performance of a standard OS2 single-mode patch cord while adding mechanical protection that survives crushing, abrasion, cutting and pulling in harsh or high-risk routing areas.
Q2. What does "1 Fiber / Simplex" mean?
It means the cable contains one single-mode fiber (9/125μm) and each end is terminated with one connector — a simplex configuration, ideal for point-to-point links (e.g., one Tx and one Rx fiber in a duplex pair) and for single-channel FTTH, security or industrial connections.
Q3. What is the difference between SC UPC and SC APC connectors on this cable?
UPC (Ultra Physical Contact) has a 0° curved ferrule polish and a blue connector body; APC (Angled Physical Contact) has an 8° angled polish and a green connector body. APC provides much higher return loss (lower reflection), which is critical for modern GPON/EPON and high-speed single-mode systems.
Q4. Why does this cable combine SC UPC on one end and SC APC on the other?
It is a hybrid patch cord designed for migration and mixed-infrastructure scenarios — e.g., connecting a legacy UPC port (OLT, ODF, older equipment) to a new APC port (ONU, modern PON equipment) without adapters or field re-polishing. It also prevents the dangerous direct mating of UPC and APC connectors, which damages both ferrule faces.
Q5. What is the metal armor made of and how does it protect the fiber?
The armor is an interlocked (spiral-wound) steel tape layer between the fiber and the outer jacket. It forms a rigid protective shell that resists crushing, abrasion, cutting, and pulling, and also deters rodent damage — the most common causes of fiber breakage and network outages in industrial and plant environments.
Q6. Does this armored cable still need conduit? No. The armor eliminates the need for conduit in most indoor routes. This is a key cost saver: no conduit material, no conduit installation labor, and no extra pathway space — while still achieving the crush and mechanical protection conduit would provide.
Q7. How much stronger is it than a standard non-armored patch cord?
The steel armor dramatically increases crush resistance, tensile strength and cut resistance compared with a standard 3.0mm patch cord, while remaining flexible enough for normal rack and wall routing. (Exact ratings depend on armor spec — contact KEXINT for the detailed datasheet.) The payoff is simple: fewer fiber breaks, fewer site visits, fewer network outages.
Q8. Will the armor make the cable too stiff to route in tight spaces?
No. The 3.0mm armored design keeps a small outer diameter, and the interlocked armor still allows a practical minimum bend radius (typically 10× OD static / 20× OD dynamic). It is far more flexible than conduit-based pathways, which is exactly why it improves design flexibility in crowded cabinets and ceiling trays.
Q9. What are the insertion loss (IL) and return loss (RL) specifications?
Typical factory test values: Insertion Loss ≤ 0.3 dB (both ends, 1310/1550nm); Return Loss ≥ 50 dB on the UPC end and ≥ 60 dB on the APC end. Every cable is 100% tested before shipment and test data is available on request.
Q10. What fiber is used and what are its optical characteristics?
The cable uses OS2 single-mode fiber (9/125μm, G.652.D compliant), optimized for 1310nm and 1550nm transmission. Typical attenuation: ≤ 0.4 dB/km @ 1310nm and ≤ 0.3 dB/km @ 1550nm — suitable for long-reach data center, telecom, and FTTH links up to 10 km and beyond.
Q11. What does "Riser (OFCR)" mean?
OFCR (Optical Fiber Communication Cable, Riser) is the UL flame-rating for cables approved to run in vertical riser shafts and plenum-adjacent pathways inside buildings (UL 1666). It means the cable meets fire-safety requirements for indoor riser installation between floors — a must-have for commercial building projects.
Q12. What is the operating and storage temperature range? Typical values: operating −20°C to +70°C; storage −40°C to +80°C. The armored construction adds mechanical stability across temperature swings in unconditioned industrial spaces. (Confirm the exact range on the product datasheet for your project spec.)
Q13. What certifications and test reports are available?
KEXINT products are manufactured under an ISO 9001 quality system. This cable is available with UL (OFCR) compliance documentation and RoHS compliance, plus batch insertion-loss/return-loss test reports and fiber type certification — documentation packages that help you meet your own project compliance requirements.
Q14. Is this cable suitable for outdoor or direct-burial use?
No — this is an indoor riser-rated cable. For outdoor duct, aerial or direct-burial applications, KEXINT offers outdoor armored cable variants (PE outer sheath, water-blocked) and outdoor-terminated assemblies. Contact us to match the right construction to your deployment environment.
Q15. Where is this armored patch cable typically used?
It is designed for harsh and high-risk indoor environments: data centers and server rooms, industrial plants and factory automation, mining and heavy industry, security/surveillance systems, FTTH/FTTB buildings, telecom rooms, and any route where cables face foot traffic, equipment movement, crushing or pulling during installation and maintenance.
Q16. Why use armored patch cables in data centers? In high-density racks and crowded cable trays, standard patch cords are vulnerable to accidental crushing and pulling during moves, adds and changes (MACs). Armored cables survive these events, cut downtime, and their smaller pathway (no conduit) frees rack and tray space — improving airflow and simplifying future changes.
Q17. Can this hybrid cable be used in GPON/EPON (FTTH) networks? Yes — this is one of its best-fit applications. The SC APC end is the standard for PON ONT/ONU connections (green, 8° polish, low reflection), while the SC UPC end connects to legacy OLT/ODF ports. It gives installers one cable that bridges mixed UPC/APC infrastructure without adapters or field polishing.
Q18. Is the armor an issue for fiber signals or EMI? No. Optical signals are immune to electromagnetic interference, so the metal armor does not harm signal quality — it only adds mechanical protection. It can therefore be routed alongside power cables where fiber is used, and the armor actually helps prevent signal loss caused by sharp bends and micro-bending in tight spaces.
Q19. How should the cable be installed, and can it be repaired in the field?
Follow standard patch-cord practice: respect the minimum bend radius (typically ≥ 20× OD during pulling, ≥ 10× OD when static), avoid kinks, and use the connector dust caps until termination. The cable is factory-terminated and precision-polished — field splicing/repair is not recommended; instead, order the exact length you need and KEXINT will build it to spec.
Q20. What customization and ordering options does KEXINT offer?
Customizable in: cable length (any length per meter), connector type and polish (SC/LC/FC/ST × UPC/APC), jacket material (PVC or LSZH) and color, fiber count, breakout/duplex options, and private labeling. Low MOQ, free samples available for evaluation, fast lead time, and secure packaging (bubble wrap + export cartons, or spools for long lengths). OEM/ODM projects are welcome.
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