SC/UPC OS2 Singlemode Single-core LSZH Fiber Optic Patch Cord
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SC/UPC OS2 Singlemode Single-core LSZH Fiber Optic Patch Cord
Effortless signal clarity with COBTEL's SC/UPC OS2 simplex fiber optic patch cord — ≤0.12dB insertion loss, LSZH jacket, carrier-grade quality.
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Description
SC/UPC Single Mode Simplex Fiber Optic Patch Cord | COBTEL
SC/UPC · OS2 · Single Mode Carrier Grade LSZH Jacket OEM Available
SC/UPC Simplex Single-core Fiber Patch Cord
The industry's most dependable SC UPC single mode fiber patch cord - ≤0.12 dB insertion loss, ≥55 dB return loss, LSZH jacket, and a three-ring ceramic ferrule ground to perfection. Every single cord, every single time.
≤0.12 Insertion Loss dB
≥55 Return Loss dB
9/125 Core Diameter µm
OS2 Fiber Grade
COBTEL® Carrier Grade OS2 · 9/125µm LSZH JACKET
SC/UPC - SC/UPC · Simplex
CE RoHS LSZH ISO
Product Overview - The SC/UPC Simplex Patch Cord That Never Fails
When your network demands reliability and your customers demand performance, there is only one simplex fiber optic patch cord worth ordering at scale - the COBTEL SC/UPC OS2 single-mode LSZH cord.
This sc upc single mode fiber patch cord carries a single 9/125 µm OS2 fiber core through a low-smoke zero-halogen (LSZH) outer jacket. The result is a fiber optic cable patch cord that performs flawlessly in data centers, telecom broadband closures, communication equipment rooms, and security monitoring systems - any environment where signal integrity is non-negotiable.
COBTEL has refined every element of this fiber optic patch cord: a three-ring ceramic ferrule precision-ground to a microsphherical UPC end face, aramid yarn strength members for field-abuse resistance, and high-precision flame-retardant housing components that keep optical alignment consistent insertion after insertion. The insertion loss sits at a class-leading ≤0.12 dB while return loss holds at ≥55 dB - specifications that most fiber optic patch cord suppliers simply cannot match at this price point.
Whether you are stocking a distribution warehouse, outfitting a telecom deployment, or building an OEM product line, this sc singlemode simplex fiber optic patch cord delivers the exact consistency and compliance your supply chain requires. Read on to understand exactly why B2B buyers across five continents choose COBTEL as their primary optical fiber patch cord supplier.
🔋 OS2 Single-Mode Fiber Core
9/125 µm bend-insensitive OS2 fiber delivers low attenuation across long-haul and short-haul single-mode networks. Excellent mechanical properties reduce handling damage during installation.
🧲 Three-Ring Ceramic Ferrule
Precision-machined zirconia ceramic ferrule with microsphherical UPC polishing achieves ≤0.12 dB insertion loss and ≥55 dB return loss - carrier-grade performance on every single unit.
🌿 LSZH Eco-Friendly Jacket
Low-smoke zero-halogen jacket complies with building and plenum codes. Flame-retardant, moisture-resistant, and acid/alkali-resistant - safe for enclosed spaces and high-density cable trays.
🔩 Aramid Yarn Strength Members
High tensile strength aramid yarn provides pull resistance and fatigue tolerance. The outer jacket withstands tension, bending, and corrosion - critical for field deployment and cable management.
Core Advantages - 6 Reasons to Buy COBTEL
Every feature of this simplex fiber patch cord is engineered for B2B performance, longevity, and compliance - not just to look good on a spec sheet.
📉 Ultra-Low Insertion Loss
At ≤0.12 dB, this fiber optic patch cord single mode cord sets the standard for signal integrity. Less loss means longer reach, fewer amplifiers, and a cleaner network end to end.
🎯 High-Precision Ceramic Ferrule
The three-ring zirconia ferrule is ground to a UPC microsphherical surface under CNC-controlled equipment - ensuring every sc fiber optic patch cord leaves the line at exactly the same tolerance.
📡 Telecom & Carrier Grade
Meets ITU-T G.652D OS2 fiber standards. Suitable for 10G, 40G, and 100G networks. Trusted by telecom operators, ISPs, and network integrators across global deployments.
🔄 1000+ Insertion Cycles
Precision grinding and high-quality housing materials support hundreds to thousands of mate/unmate cycles without performance degradation - ideal for test and measurement environments.
🧱 Pull & Bend Resistant Cable
The LSZH outer jacket resists tension, pulling, bending, and corrosion. The long tail-sleeve boot is integrated for maximum protection at the cable entry point - the most common failure location on lesser cords.
🔒 Dust-Cap Protection Standard
Every connector ships with a dust-proof cap fitted. This simple measure prevents contamination - the number one cause of high insertion loss in deployed fiber optic patch cords - right from the box.
Technical Specifications Precise Numbers, Zero Surprises
Every parameter of this fiber optic patch cord cable is controlled, measured, and documented. What you order is exactly what arrives.
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Parameter
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Specification
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Notes
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|---|---|---|
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Brand
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COBTEL
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ISO-certified manufacturer
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Interface Type
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SC/UPC – SC/UPC
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Simplex, same connector both ends
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Fiber Type
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OS2 Single-Mode, Single-Core
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ITU-T G.652D compliant
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Core / Cladding Diameter
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9 / 125 µm
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Standard SMF geometry
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Outer Cable Diameter
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2.0 mm
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Tight-buffer construction
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Jacket Material
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LSZH
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Low-smoke, halogen-free, flame retardant
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End-Face Polish
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UPC (Microsphherical)
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CNC precision polished
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Insertion Loss
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≤ 0.12 dB
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Typical <0.08 dB
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Return Loss
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≥ 55 dB
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UPC standard minimum
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Ferrule Material
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Zirconia Ceramic
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Three-ring, precision ground
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Strength Member
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Aramid Yarn
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High tensile, flame-retardant
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Operating Temperature
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–20°C to +85°C
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Wide thermal tolerance
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Storage Temperature
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–40°C to +85°C
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Safe for warehouse storage
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Available Lengths
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0.5 m – 30 m
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Custom lengths available on OEM orders
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Jacket Color
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Yellow (OS2 Standard)
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Custom color on request
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* Full product datasheets, test reports, and certification documents available upon B2B inquiry.
Component Engineering - Premium Material, Precision Engineered
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01 Three-Ring Zirconia Ceramic Ferrule
The ferrule is the heart of any fiber optic patch cord. COBTEL's three-ring design uses premium zirconia ceramic ground to a UPC microsphherical end face under high-precision CNC machinery. This produces insertion loss values of ≤0.12 dB and return loss of ≥55 dB - figures that hold true across the full production run, not just the sample units sent for certification.
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02 Long Tail-Sleeve Strain Relief Boot
COBTEL's integrated long tail-sleeve boot uses a high-toughness, bend-resistant polymer that is non-deformable under repeated flex cycles. It protects the cable at its most vulnerable point - the connector entry - and is one of the main reasons this patch cord fiber optic cable outlasts generic alternatives in field installations.
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03 High-Precision Flame-Retardant Housing
The SC push-pull connector housing is molded from high-precision flame-retardant polymer. Tight dimensional tolerances ensure consistent optical alignment with SC adapter panels, switches, and transceivers - regardless of which third-party chassis this sc fiber optic patch cord connects to.
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04 OS2 Bend-Insensitive Fiber Core
The 9/125 µm OS2 fiber core offers excellent mechanical properties and reduced macro-bending loss compared to legacy G.652B fiber. This makes the cord more forgiving in tight cable trays and corner bends - a practical advantage in real-world data center and building installations.
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05 Aramid Yarn Strength Members
Wrapped around the fiber core between the LSZH jacket and the tight buffer, aramid yarn provides the tensile strength and fatigue resistance needed for repeated patching, accidental pulls, and long-term cable management stress. It is low-elongation, eco-friendly, and flame-retardant.
Why Construction Quality Matters
Poor-quality fiber optic patch cords fail at the weakest link - usually the ferrule–cable interface, the strain relief boot, or the connector housing. COBTEL addresses all three with components that meet or exceed the material grades used by tier-1 telecom operators.
When you buy from a reliable fiber optic patch cord supplier like COBTEL, you are not just purchasing a cable - you are purchasing a guarantee that every unit in a 1,000-piece order performs identically to the sample that convinced you to buy.
That consistency is what makes COBTEL the preferred optical fiber patch cord supplier for network integrators, ISPs, and OEM brands who cannot afford return shipments or field failure reports.
ISO 9001 RoHS CE ITU-T G.652D IEC 61754-4 LSZH / IEC 60332
Fiber Optic Patch Cord Types - How SC/UPC Simplex Compares to Other Types
Understanding fiber optic patch cord types and optical patch cord types helps B2B buyers select the right product for each network application. Here is how the COBTEL SC/UPC simplex cord fits into the wider landscape.
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Cord Type
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Connector
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Fibers
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Best For
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IL (typical)
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|---|---|---|---|---|
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SC/UPC Simplex THIS PRODUCT
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SC push-pull
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1 × OS2 SM
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Telecom, FTTH, data center uplinks, single-direction links
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≤0.12 dB
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SC/APC Simplex
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SC push-pull (angled)
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1 × OS2 SM
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CATV, FTTH PON (higher return loss required)
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≤0.3 dB
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LC/UPC Duplex
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LC small form
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2 × OS2 SM
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SFP transceivers, full-duplex uplinks
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≤0.3 dB
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|
SC/UPC Duplex
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SC push-pull
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2 × OS2 SM
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Legacy duplex SC equipment, Ethernet media converters
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≤0.3 dB
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|
LC/UPC Simplex
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LC small form
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1 × OS2 SM
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Modern data centers with BiDi transceivers
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≤0.3 dB
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|
OM3/OM4 Multimode Duplex
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LC or SC
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2 × 50/125 MM
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Short-reach data center (up to 300 m at 10G)
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≤0.5 dB
|
Why SC/UPC Simplex? The simplex fiber optic patch cord with SC/UPC connectors remains the dominant choice in telecom broadband deployments, FTTH OLT connections, and equipment room cross-connects - wherever a single fiber carries traffic in one direction using separate TX and RX ports. The SC push-pull housing is field-proven, easy to install, and compatible with the widest range of chassis, patch panels, and media converters globally.
Applications - Widely Applicable, Highly Compatible
The COBTEL SC/UPC OS2 simplex patch cord fiber optic cable supports every major network environment. Here are the four primary markets where B2B buyers deploy it at scale.
📡 Telecom Broadband & FTTH
ISPs and telecom operators use this sc upc single mode fiber patch cord to connect OLT equipment, ONU/ONT terminals, and distribution frames in FTTH/FTTB/FTTC deployments. The SC push-pull connector is the standard for PON access networks across Asia, Europe, and the Americas. The ≤0.12 dB insertion loss keeps power budgets healthy - critical when a single fiber serves dozens of residential or business subscribers downstream.
🖥️ Data Centers & Server Rooms
In high-density data center environments, fiber optic patch cord single mode cords link optical transceivers to patch panels, structured cabling systems, and cross-connect frames. COBTEL's simplex cord supports 1G, 10G, and 40G BiDi applications on a single fiber strand - reducing cable count and improving airflow in hot-aisle deployments. The LSZH jacket satisfies data center fire safety codes.
🏢 Communication Equipment Rooms
Enterprise and campus network equipment rooms use SC/UPC simplex fiber patch cords to connect switches, routers, and media converters to the building backbone. The long tail-sleeve boot and bend-insensitive fiber core make the cord easy to route through cable trays, conduits, and tight corners without signal penalty. The high-precision SC housing provides reliable connection repeatability across thousands of patch changes during the facility's operational life.
📹 Security Monitoring Systems
IP surveillance networks running over fiber rely on fiber optic patch cord cable to deliver lossless video data between cameras, switches, and NVRs. The COBTEL SC/UPC cord provides stable, low-noise transmission that eliminates the dropped frames and latency spikes that degrade 4K and 8K surveillance footage. The –20°C to +85°C operating range covers outdoor camera cabinet environments without performance compromise.
Quality Process - How Every Cord Gets Made to Perfection
COBTEL's manufacturing process is the reason this fiber optic patch cord performs identically whether you order 10 units or 10,000. Here are the four stages that set COBTEL apart.
1 Raw Material Selection
Only brand-new, high-grade original components enter production - high-temperature-resistant, eco-friendly, non-deformable ceramic ferrules, flame-retardant housings, and virgin LSZH jacket compound.
2 High-Precision Polishing
Ferrules are CNC-polished in multi-unit fixtures that control geometry, gloss, and surface roughness to within ±0.001 mm - ensuring every UPC microsphherical end face meets IEC 61300-3-35 parameters.
3 End-Face Inspection
Every ferrule end face is inspected under 400× magnification. Units with scratches, chips, or contamination are rejected - not reworked - before assembly. This zero-tolerance policy is what drives the consistent ≤0.12 dB loss figure.
4 IL / RL 100% Testing
Finished cords are measured for insertion loss and return loss on calibrated test equipment. Every cord that ships has a tested IL ≤0.12 dB and RL ≥55 dB - documented per batch. Dust caps are fitted immediately after final test.
The Complete B2B Buyer's Guide to SC/UPC Single-Mode Simplex Fiber Optic Patch Cords
Choosing the right fiber optic patch cord for a B2B deployment is rarely as simple as searching for the lowest fiber optic patch cord price. Network managers, procurement officers, and system integrators must balance performance specifications, compliance requirements, physical durability, and long-term total cost of ownership. This guide explains what to look for - and why the COBTEL SC/UPC OS2 cord hits every mark.
What Is a Simplex Fiber Optic Patch Cord?
A simplex fiber optic patch cord contains a single optical fiber strand. It carries data in one direction between two ports - typically paired with a second cord carrying traffic in the opposite direction. This contrasts with duplex cords, which house two fibers in a zipcord or side-by-side jacket for simultaneous bidirectional data transmission. The simplex fiber patch cord is the preferred format for SC-based FTTH, PON OLT connections, and BiDi single-fiber transceivers where a single strand handles both wavelengths using WDM.
Understanding SC/UPC vs SC/APC: Which Do You Need?
The UPC (Ultra Physical Contact) polish produces a slightly curved end face that pushes fiber cores into direct contact, achieving return loss values of ≥55 dB. The APC (Angled Physical Contact) polish uses an 8-degree angle to redirect back-reflections, achieving ≥60 dB return loss. For most data network and telecom switching applications, UPC is the correct choice. APC is preferred in CATV overlay networks and certain PON architectures where even small back-reflections disrupt sensitive analog or high-power optical sources. If your equipment uses green SC connectors, it likely expects APC; blue SC connectors - as found on this COBTEL cord - indicate UPC. Mixing UPC and APC connectors causes significant performance degradation and should always be avoided in any patch cord fiber optic installation.
Why Insertion Loss Matters More Than You Think
In a typical fiber network, each connection point - patch cord, adapter, splice - consumes a portion of the optical power budget. A network with 10 connection points, each using a fiber optic patch cord cable with 0.5 dB insertion loss, burns through 5 dB of budget before accounting for fiber attenuation. By replacing those cords with COBTEL's ≤0.12 dB cords, the same network frees up nearly 3.8 dB - enough to extend reach, support higher-speed optics, or eliminate amplifiers. For large-scale deployments, this translates directly into infrastructure cost savings that dwarf any small premium paid per cord for a quality optical fiber patch cord supplier.
LSZH vs PVC Jackets: Why LSZH Is the Professional Choice
The LSZH (Low-Smoke Zero-Halogen) jacket on this patch cord fibra optica is not just an environmental preference - it is a safety and compliance requirement in many jurisdictions. LSZH cable produces minimal smoke and no toxic halogen gases when exposed to fire. In enclosed equipment rooms, cable plenums, and underground conduits where evacuation may be difficult, this property is critical. PVC jackets, by contrast, can produce dense black smoke and hydrogen chloride gas - corrosive to equipment and dangerous to personnel. For new installations in the EU, many Asian markets, and an increasing number of US code jurisdictions, specifying LSZH fiber optic patch cords is simply the correct professional decision.
How to Evaluate a Fiber Optic Patch Cord Supplier
Not every fiber optic patch cord supplier delivers what their datasheets promise. The key differentiators between a reliable optical fiber patch cord supplier and a commodity reseller are: 100% end-face inspection (not sampling), in-house IL/RL testing infrastructure, traceable raw material sourcing, and the ability to provide per-batch test reports. COBTEL performs all four as standard. Every production batch ships with documented insertion loss and return loss figures. Every ferrule end face is inspected before assembly. And every cord leaves the factory with dust-cap protection - because a contaminated ferrule is as bad as a poorly manufactured one.
Pricing, MOQ, and OEM Options
COBTEL offers competitive fiber optic patch cord price tiers for B2B wholesale buyers. Standard lengths from 0.5 m to 30 m are held in inventory for fast shipment. Custom lengths, non-standard jacket colors, private-label printing, and individual or bulk packaging are available on OEM orders. There is no upper MOQ limit - and lower MOQs are available for new accounts establishing the relationship. Contact the COBTEL B2B sales team with your specifications for a tailored quote within 24 hours.
FAQ - Common Questions From B2B Buyers
Q: What is the difference between SC/UPC and SC/APC fiber optic patch cords?
A: SC/UPC connectors have a flat or slightly curved end face polished to an ultra-physical-contact profile, achieving ≥55 dB return loss. They use blue housings and are standard in data networks, enterprise fiber, and most telecom switching equipment. SC/APC connectors are angled at 8 degrees, achieve ≥60 dB return loss, and are used in CATV and specific FTTH PON architectures. Always match polish types - connecting UPC to APC causes high insertion loss and poor return loss.
Q: What lengths are available, and can you provide custom lengths?
A: Standard stocked lengths range from 0.5 m to 30 m. Custom lengths from 0.2 m up to 100 m are available on OEM orders. Custom cable reels for field termination are also available. Contact our B2B sales team with your exact requirements and we will provide pricing and lead times within 24 hours.
Q: Does COBTEL provide per-batch test reports for insertion loss and return loss?
A: Yes. Every production batch undergoes 100% IL/RL testing on calibrated optical test equipment. Per-batch test reports are available on request and can be included in shipment documentation for your quality control records. Typical insertion loss values run below 0.08 dB on the majority of units, well within the ≤0.12 dB specification.
Q: Is the LSZH jacket suitable for plenum and riser-rated installations?
A: LSZH (Low-Smoke Zero-Halogen) meets the fire safety requirements of IEC 60332 for limited flame propagation and IEC 61034 for low-smoke density. It is accepted under European CPR (Construction Products Regulation) and many Asian national codes. For US NFPA 262 plenum rating, separate ofuro-rated LSZH compounds may be required - our sales team can advise on territory-specific compliance requirements for your project.
Q: Can COBTEL provide OEM/private-label fiber optic patch cords?
A: Yes. COBTEL offers full OEM and private-label services including custom jacket color, printed labels with your brand and part numbers, custom packaging (bag, box, or reel), and optional individual barcode labels for inventory management. Minimum order quantities for OEM configurations start from 500 units per SKU. Contact our team for an OEM quotation.
Q: What is the warranty on COBTEL fiber optic patch cords?
A: COBTEL fiber optic patch cords carry a standard product warranty against manufacturing defects. For B2B accounts, extended warranty terms and SLA agreements are available - please discuss with your account manager. Our 100% testing policy means defect rates on shipped products are extremely low, and claims are handled promptly with replacement or credit.
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