FC-FC Singlemode1-Fiber Optical Fiber Patch Cord
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FC-FC Singlemode1-Fiber Optical Fiber Patch Cord

FC-FC Singlemode1-Fiber Optical Fiber Patch Cord

Stop signal loss. COBTEL FC-FC single mode fiber patch cord delivers effortless connectivity — proven quality, OEM & bulk orders ready.

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FC-FC Single Mode Fiber Patch Cord | Low Insertion Loss
⚡ Engineering-Grade Telecom Quality

FC-FC Single‑Mode
Fiber Optic Patch Cord

The fc fiber optic patch cord built for engineers who refuse to compromise. Single-core, single-mode, single-mission: get your optical signal from A to B with the lowest insertion loss on the market-every time, without fail.

0.03 dB
Typical Insertion Loss
300 N/M
Tensile Strength
1,000+
Mating Cycles
OS2
9/125 μm Standard
🎯
High-Quality Ferrule
Zirconia ceramic, sub-micron precision
⚖️
Exceptional Stability
Consistent loss across 1,000+ cycles
🔄
Excellent Repeatability
Same loss reading every insertion
🌐
Wide Applicability
Data centers, telecom, CATV, LAN, industry

What Makes This FC Fiber Patch Cord Different?

The COBTEL FC-FC Single-Mode Fiber Optic Patch Cord is a telecom-grade optical connection solution built for environments where signal loss is simply not acceptable. This fc fiber optic patch cord uses OS2 9/125 μm single-mode fiber with an FC connector on each end-a true fiber patch cord fc to fc solution that fits standard FC-type ports on patch panels, optical transceivers, fiber distribution frames, and test equipment.

In the field, engineers and procurement teams choose this single mode fiber patch cord because the numbers back it up: a typical insertion loss of just 0.03 dB, measured on dedicated in-house test stations before the product ever leaves the facility. Every connector end-face receives a PC (Physical Contact) polish that brings return loss to ≥45 dB-keeping your optical link budget healthy and your bit error rates low.

The fc fc fiber patch cord is built from five layers of precision materials: a zirconia ceramic ferrule, a silica glass fiber core, aramid yarn reinforcement, a long tail sleeve boot, and an LSZH (Low Smoke Zero Halogen) outer jacket. Each material plays a specific role in performance, safety, and durability. Together they produce an sm fiber patch cord that meets the demands of 24/7 data center operation, outdoor base station equipment rooms, and harsh industrial environments.

Standard stock lengths run from 1 m to 30 m. Custom lengths, custom jacket colors, and FC/APC polishing are available for OEM and B2B volume orders. Every batch arrives with dust-proof caps installed-no cleaning required before the first connection. This is the single mode fiber optic patch cord that professionals pick when reliability is the only acceptable outcome.

OS2 9/125 μm1310 nm / 1550 nmPC & APC PolishLSZH JacketOEM Available1 m – 30 m+ Lengths
Connector Type FC/PC (standard) · FC/APC (on request)
Fiber Type OS2 Single-Mode · 9/125 μm · Bend-insensitive core
Jacket Material LSZH - flame-retardant, eco-friendly, odorless
Ferrule Material High-purity zirconia ceramic, sub-micron tolerance
Wavelengths 1310 nm and 1550 nm - dual-wavelength compatible

Quick Performance Summary

Insertion Loss≤ 0.3 dB (typ. 0.03 dB)
Return Loss (PC)≥ 45 dB
Return Loss (APC)≥ 60 dB
Tensile Strength≥ 300 N/M
Mating Cycles1,000 +
Operating Temp.−40 °C to +85 °C

6 Industries That Rely on FC-FC Fiber Patch Cords

B2B buyers across six major industries choose this fiber patch cord jumper because it solves real connectivity problems-not just on paper, but in the field.

Data Centers & Server Rooms

High-density server rooms run hundreds of optical links between switches, servers, and storage systems. Every dB of insertion loss matters when aggregating links in a chain. This fc fiber patch cord delivers consistent low loss at each connection point, so your link budget stays positive across complex topologies. The LSZH jacket meets indoor fire-safety requirements, and the screw-lock FC connector stays secure even during active maintenance. Available in 1 m, 2 m, and 3 m lengths for tight rack-to-rack runs, and longer lengths for cross-aisle routing.

Server rooms · IDC Data Centers

Telecom Networks & 5G Base Stations

Mobile network operators deploy this single mode fiber patch cord at base station equipment rooms to connect BBU (Baseband Unit) equipment to optical distribution frames. The threaded FC connector locks securely under vibration from tower-mounted hardware. With insertion loss as low as 0.03 dB and return loss above 45 dB, signal stays clean from the baseband unit to the antenna port-critical for 4G and 5G macro sites, micro sites, and indoor DAS deployments.

4G / 5G Base Stations · Telecom ODF

CATV & Broadcast Networks

Cable television headend facilities interconnect optical amplifiers, wavelength multiplexers, and video encoders using patch cord fiber optic fc jumpers. Any rise in insertion loss directly affects carrier-to-noise ratio on subscriber channels. COBTEL's high-precision polished ferrules hold the optical path clean and consistent, protecting broadcast quality across large CATV distribution networks. FC/APC polish (≥60 dB return loss) is available for analog video applications where back-reflection is strictly controlled.

CATV · ODF Frame Cabling · Analog Video

Enterprise & Campus LANs

IT teams building enterprise campus fiber backbones use this single mode fiber optic patch cord to connect fiber distribution frames, optical switches, and departmental access nodes. The 300 N/M tensile strength protects the cable during conduit pulls and cable tray installation. Dust-proof caps protect connectors during storage between installation phases. This fiber patch cord jumper is available in made-to-length bulk formats for large campus projects.

Enterprise LAN · Optical Modules

Medical Imaging & Hospital Networks

Healthcare facilities use fiber to carry PACS imaging data, EHR system traffic, and real-time patient monitoring signals between departments and buildings. This fc fiber optic patch cord provides interference-free optical paths fully immune to EMI from MRI scanners, X-ray equipment, and high-power medical devices. The LSZH jacket reduces toxic off-gassing risk in occupied clinical areas, meeting stringent hospital facility safety requirements.

Medical Imaging · PACS · Clinical Networks

Industrial Automation & Process Control

Factory floors expose cabling to EMI from variable-frequency drives, welding equipment, and high-power motors that would corrupt copper Ethernet signals. This sm fiber patch cord eliminates that problem entirely-glass fiber is immune to electromagnetic interference. The −40 °C to +85 °C operating range covers outdoor cabinet installations and heated process areas. Aramid yarn reinforcement adds protection in environments where cables face mechanical stress.

Industrial EMI-Free · Process Automation

8 Reasons Engineers Choose This SM Fiber Patch Cord

Production-grade components and telecom-standard testing-here is what separates this fiber patch cord fc to fc from generic alternatives.

1

Zirconia Ceramic Ferrule - Precision at the Tip

The ferrule is the most critical part of any fc fiber patch cord. COBTEL uses a high-purity zirconia ceramic ferrule machined to sub-micron tolerances. Zirconia has a hardness close to diamond and a thermal expansion coefficient closely matched to the glass fiber it holds, which keeps the fiber core centered across temperature extremes. This produces consistent low insertion loss and high return loss across the full rated range. The ferrule supports over 1,000 mating cycles without measurable degradation-essential for test environments and patch panels that see frequent reconnections.

2

Precision-Doped Silica Glass Fiber Core

The core of this single mode fiber patch cord uses precision-doped silica glass. Controlled doping sets the refractive index gradient between core and cladding at the exact value required to confine light by total internal reflection. The 9/125 μm geometry (9 μm core, 125 μm cladding) matches the global OS2 standard, ensuring full compatibility with all SM fiber optic equipment. The bend-insensitive design maintains performance even when the cable runs around corners or through crowded cable trays with tight bends.

3

Aramid Yarn Reinforcement - 300 N/M+ Tensile Strength

Between the fiber and the outer jacket lies a layer of aramid yarn-the same high-performance fiber used in aerospace structures and protective equipment. This reinforcement absorbs tensile force before it reaches the glass fiber, which cannot stretch without cracking. The COBTEL fc fc fiber patch cord handles pull forces of 300 Newton-meters per meter or more, meeting the tensile requirements of commercial cabling standards. The aramid yarn is also self-extinguishing and eco-friendly, adding to the cable's fire safety profile.

4

Long Tail Sleeve Boot - Integrated Bend Relief

The long tail sleeve boot at each end of this fiber patch cord fc to fc is an integrated polymer collar that prevents the cable from bending sharply at the connector entry point. Sharp bends at the connector are one of the leading causes of increased insertion loss and eventual fiber fracture in deployed patch cords. COBTEL's boot uses a high-toughness polymer-bend-resistant, unbreakable under normal handling-that distributes flex stress away from the fiber, keeping the cable protected at its most vulnerable point for the full service life.

5

LSZH Jacket - Safe, Eco-Friendly, Flexible

The outer jacket on this sm fiber patch cord is formulated from LSZH (Low Smoke Zero Halogen) compound. When exposed to fire, LSZH self-extinguishes after the flame source is removed and produces minimal smoke without releasing halogen acids. This is critical in enclosed facilities-server rooms, hospitals, transit stations-where toxic smoke endangers occupants. The yellow jacket is also odorless and flexible at low temperatures, making cable handling easy during cold-environment installation and cable tray routing.

6

Multi-Stage High-Precision Polishing

The end-face finish on a fiber connector determines how well two fiber cores align when mated. COBTEL's production line uses automated multi-stage polishing machines that control end-face geometry, radius of curvature, and surface roughness to tight tolerances. The PC (Physical Contact) polish creates a convex surface that puts fiber cores in direct contact-eliminating the air gap that causes Fresnel reflection. The result: insertion loss as low as 0.03 dB and return loss at or above 45 dB on the patch cord fiber optic fc PC version.

7

Factory-Installed Dust-Proof Caps on Both Ends

End-face contamination is the most common cause of high insertion loss during network commissioning. A dust particle just a few microns in size on the fiber end-face scatters light and blocks the optical path. COBTEL installs dust-proof caps on both connectors of every fc fiber optic patch cord before it leaves the factory. The end-face is clean when it arrives on-site. Standard best practice: keep caps in place until the exact moment of connection, and use a fiber inspection scope before plugging in if the cap has been removed.

8

Per-Unit Insertion Loss and Return Loss Testing

Spot-check testing at the lot level misses defective units. COBTEL tests every individual fiber patch cord jumper on a dedicated insertion loss / return loss test station before it ships. The test station reads insertion loss to 0.01 dB resolution. Any unit that does not meet the pass/fail threshold is rejected and never ships. Batch test data is available on request. This manufacturing discipline gives B2B buyers the confidence needed for large-scale deployments where field testing is expensive and re-pulls are not an option.

Full Technical Parameters

All specifications for the COBTEL single mode fiber optic patch cord with FC/PC connectors. FC/APC variant specs available on request.

ParameterSpecification / Value
Connector TypeFC/PC (Physical Contact) · FC/APC (Angled Physical Contact) on request
Fiber TypeOS2 Single-Mode · 9/125 μm · ITU-T G.652.D compliant
Operating Wavelengths1310 nm and 1550 nm (dual-wavelength compatible)
Insertion Loss≤ 0.3 dB (typical: 0.03 dB, measured per unit)
Return Loss (FC/PC)≥ 45 dB
Return Loss (FC/APC)≥ 60 dB
Ferrule MaterialHigh-purity zirconia ceramic (ZrO₂), sub-micron tolerance
Fiber Core MaterialPrecision-doped silica glass, bend-insensitive design
Strengthening LayerAramid yarn (Kevlar-class), high tensile strength, flame-retardant
Outer Jacket MaterialLSZH (Low Smoke Zero Halogen) - eco-friendly, self-extinguishing
Cable Jacket ColorYellow (standard for single-mode) · Custom colors available
Cable Outer Diameter3.0 mm
Tensile Strength≥ 300 N/M (tensile and compression resistant)
Mating Durability1,000+ insertion/extraction cycles (no measurable degradation)
Standard Cable Lengths0.5 m, 1 m, 2 m, 3 m, 5 m, 10 m, 15 m, 20 m, 30 m · Custom lengths available
Operating Temperature−40 °C to +85 °C
Storage Temperature−40 °C to +85 °C
Bend Radius (minimum)30 mm (long-term) · 15 mm (short-term)
End-Face ProtectionDust-proof protective caps installed on both connectors at factory
Testing StandardIEC 61300-3-4 (Insertion Loss) · IEC 61300-3-6 (Return Loss)

* All insertion loss and return loss values are measured per unit on COBTEL's in-house test stations at 1310 nm. Values shown are maximum limits; typical performance exceeds these figures.

Built Around Your Exact Requirements

A one-size-fits-all product catalog rarely covers every project requirement. COBTEL supports custom fc fiber patch cord orders across a broad range of parameters-lengths, colors, polish types, branding, and more.

  • Custom Lengths - From 0.5 m to 100 m+
    Standard stock runs from 0.5 m to 30 m. For telecom trench runs, data center inter-row routing, or campus backbone spans, COBTEL produces custom-length fiber patch cord fc to fc cables to any specification. Made-to-length production avoids excess slack and cable management headaches on large projects.
  • Custom Jacket Colors for Color-Coded Fiber Management
    Yellow is the standard color for this single mode fiber patch cord, but COBTEL offers custom colors-orange, blue, aqua, red, green, and others-on OEM orders. Color-coded fiber management systems reduce incorrect patch cord selection in dense patch panels and multi-tenant data center environments.
  • FC/APC Polishing - ≥60 dB Return Loss
    For applications where back-reflection is critical-analog CATV, DWDM, PON networks, and coherent transmission-FC/APC polishing reduces return loss to ≥60 dB. The angled end-face directs reflected light away from the fiber core, protecting sensitive optical components from signal degradation.
  • OEM Branding - Private Label Ready
    COBTEL manufactures for private label orders with custom packaging, heat-shrink labels, printed documentation, and custom box artwork. B2B distributors and systems integrators supply their own brand identity; COBTEL handles production and quality control end-to-end. Your brand, our manufacturing discipline.
  • Multi-Mode Fiber Types on Request
    In addition to OS2 single-mode 9/125 μm, COBTEL also produces FC fiber patch cord jumper cables in OM1 (62.5/125 μm), OM3 (50/125 μm), and OM4 (50/125 μm) multimode fiber for legacy and short-range applications. Specify fiber type at order placement.
  • Bulk Volume Capacity - 100 to 100,000+ Pieces
    COBTEL's production capacity supports order volumes from 100 pieces (small B2B accounts, system integrators) to 100,000+ pieces per run (national telecom rollouts, data center buildouts). Production scheduling is confirmed at order placement. MOQ and lead times are negotiated per project.

Start Your OEM Order in 4 Steps

The process is clear, fast, and low-risk. Submit specifications, get a sample within days, approve, then move to production.

1
Submit your specifications (length, polish, color, quantity)
2
Receive prototype samples within 3 – 5 business days
3
Test samples in your application; approve for production
4
Production starts; delivery on confirmed schedule
Get a Custom Quote →

Manufacturing That Earns Trust - At Scale

When B2B buyers ask why they should choose COBTEL for their sm fiber patch cord supply, the answer starts with production capability and ends with per-unit quality verification.

5,000+
Sq. Meters Factory Floor
Dedicated fiber optic patch cord and connector assembly facility with clean-room polishing areas
20+
CNC Polishing Machines
Automated multi-stage polishing units control end-face geometry to sub-micron tolerances on every batch
50+
Test Stations
Dedicated insertion loss / return loss test stations run 100% per-unit testing at 1310 nm and 1550 nm
50,000+
Units / Day Capacity
Daily production output supports national telecom rollouts, large data center builds, and distributor stock programs
9-Step Production Process
1
Raw Material InspectionCeramic ferrules, fiber reels, aramid yarn, and LSZH compound are inspected on receipt before entering production.
2
Fiber Stripping & CleavingPrecision stripping removes the outer jacket layers; a mechanical cleaver produces a clean, flat fiber end for insertion.
3
Epoxy Injection & Fiber InsertionControlled epoxy application followed by careful fiber insertion into the ferrule bore ensures correct core positioning.
4
Curing & Connector AssemblyThe assembly is cured in a temperature-controlled oven, then the full connector body is assembled with the long tail sleeve boot.
5
Multi-Stage Automated PolishingThe ferrule end-face goes through sequential polishing steps: rough shaping, precision shaping, and final ultra-fine polish for PC or APC geometry.
6
Per-Unit Insertion & Return Loss TestEvery finished fc fiber optic patch cord is tested on a calibrated test station. Units above the loss threshold are rejected.
7
Visual End-Face InspectionOptical microscope inspection of every ferrule end-face checks for scratches, pits, chips, and contamination before capping.
8
Dust-Proof Cap InstallationFactory-clean protective caps are installed on both connectors immediately after passing inspection.
9
Final QC, Packaging & ShipmentBatch records, test data, and labeling are verified before packing and release for shipment.

After-Sales Support & Warranty

12-Month Manufacturing Warranty - covers defects in materials and workmanship from the date of shipment.
Technical Support - installation guidance, troubleshooting, and compatibility consultation via email and direct contact channels.
Batch Test Data On Request - insertion loss and return loss test records available for quality audit purposes.
Replacement Policy - defective units are replaced promptly with zero argument. Our QC track record means this rarely happens.
Application Consultation - our technical team helps B2B buyers select the right cable length, polish type, and fiber specification for their project.
OEM Sample Fast Track - custom samples for new OEM configurations are produced within 3 to 5 business days.

Quality You Can Verify

Every single mode fiber patch cord from COBTEL is produced under a certified quality management system and complies with international material and performance standards. These certifications are not just paperwork-they represent the documented processes that produce consistent, trustworthy product.

🏅
ISO 9001:2015
Full Quality Management System certification covering design, production, testing, and after-sales processes
🌿
RoHS Compliant
Restriction of Hazardous Substances directive compliance - no lead, mercury, cadmium, or restricted substances
🔥
LSZH Certified
Low Smoke Zero Halogen jacket material certified for indoor installations where fire safety is required
📋
IEC 61300 Series
Testing performed per IEC 61300-3-4 (insertion loss) and IEC 61300-3-6 (return loss) international standards

Frequently Asked Questions

What is an FC fiber optic patch cord and where is it used?
An FC fiber optic patch cord is a fiber optic cable with FC-type connectors on one or both ends. The FC connector uses a threaded screw-lock coupling mechanism that resists vibration-induced disconnection better than push-pull or bayonet connectors. This makes the fc fiber patch cord the standard choice for telecom equipment rooms, test and measurement instruments, base station ODF frames, CATV headend equipment, and any application where a secure, low-loss optical connection is required at an FC interface.
What is the difference between FC/PC and FC/APC connectors?
FC/PC (Physical Contact) uses a flat or slightly convex polished end-face where the two fibers touch at physical contact. Return loss is ≥45 dB. FC/APC (Angled Physical Contact) uses an 8° angled end-face that directs reflected light out of the fiber core, achieving return loss of ≥60 dB. FC/APC is used in noise-sensitive applications like CATV analog video, DWDM, PON, and coherent optical systems where back-reflection would degrade performance. FC/PC connectors are typically identified by a flat or black ferrule body; FC/APC connectors are typically identified by a green-colored ferrule body. COBTEL supplies both configurations on OEM or custom order.
What does "single-mode" mean in a single mode fiber patch cord?
Single-mode fiber (SMF) has a core diameter of 9 μm, small enough to allow only one propagation mode (light path) at a time. This eliminates modal dispersion-the spreading of a light pulse that occurs when multiple modes travel at different speeds-and allows single-mode fiber to carry signals over much longer distances than multi-mode fiber, typically 10 km to 100+ km per span depending on wavelength and system design. The COBTEL single mode fiber patch cord uses OS2 9/125 μm fiber, the current standard for long-distance and high-bandwidth SM applications in data centers, telecom networks, and enterprise backbone cabling.
What insertion loss can I expect from a COBTEL FC-FC fiber patch cord?
The specified maximum insertion loss for the COBTEL fc fc fiber patch cord is ≤0.3 dB, which is the IEC standard for fiber connectors. In actual production, the typical insertion loss measured per unit on COBTEL's in-house test stations is just 0.03 dB-ten times below the specified maximum. This result is achieved through high-precision multi-stage polishing and the use of a zirconia ceramic ferrule with sub-micron geometric tolerances. Every unit is tested before shipment, so the 0.03 dB figure is not a marketing claim but a measured production result.
Can I order custom lengths for a fiber patch cord FC to FC?
Yes. COBTEL produces fiber patch cord fc to fc cables in standard stock lengths (0.5 m, 1 m, 2 m, 3 m, 5 m, 10 m, 15 m, 20 m, 30 m) and in custom lengths from 0.5 m to 100 m or longer for OEM orders. Custom lengths are made-to-order and require a minimum order quantity that can be negotiated with the B2B sales team. Custom length orders also allow custom jacket colors, FC/APC polishing, and private label packaging. Sample lead time for custom configurations is 3 to 5 business days.
What does LSZH mean and why does it matter for a fiber patch cord jumper?
LSZH stands for Low Smoke Zero Halogen-a flame-retardant cable jacket material that does not contain halogen compounds (fluorine, chlorine, bromine, iodine). When a standard PVC jacket burns, it releases toxic halogen acids that can corrode equipment and harm building occupants. An LSZH jacket self-extinguishes when the flame source is removed, produces minimal smoke, and releases no halogen gases. This is why LSZH is required for indoor installations in data centers, hospitals, transit stations, and commercial buildings where fire safety codes mandate low-toxicity materials. The COBTEL fiber patch cord jumper uses an LSZH jacket as standard.
How many times can I plug and unplug the FC fiber optic patch cord?
The COBTEL fc fiber optic patch cord is rated for 1,000 or more insertion/extraction cycles with no measurable degradation in insertion loss or return loss. This rating is based on the durability of the zirconia ceramic ferrule, which has a hardness close to diamond and resists wear at the end-face contact area. For comparison, a standard test and measurement port may see 100 to 500 mating cycles per year. The 1,000-cycle rating gives this patch cord a multi-year service life even in high-use environments. In fixed installations like patch panels, where the cord is rarely moved, the actual service life is effectively unlimited.
What is the tensile strength of this SM fiber patch cord?
The tensile strength of the COBTEL sm fiber patch cord is ≥300 N/M (Newtons per meter), measured along the cable axis. This rating comes from the aramid yarn reinforcement layer between the glass fiber core and the LSZH jacket. Aramid yarn (the same fiber class used in ballistic protection and aerospace composites) absorbs tensile force before it reaches the glass fiber, which would fracture under direct pull load. The 300 N/M rating meets the requirements for commercial indoor cabling installations, including cable tray runs, conduit pulls, and vertical risers where cable weight creates a steady downward load.
How do I clean the connector end-face on a patch cord fiber optic FC?
COBTEL ships every patch cord fiber optic fc with factory-installed dust-proof caps on both connectors, so no cleaning is required before the first connection if the caps have not been removed. If a cap was removed and the connector placed on a work surface, or if you have a high insertion loss reading in the field, follow this process: (1) remove the dust cap; (2) inspect the end-face with a fiber optic inspection scope-do not rely on visual inspection; (3) if contaminated, use a one-click fiber cleaning pen (dry clean first, then wet-then-dry if contamination persists); (4) re-inspect; (5) connect. Never blow on a fiber end-face-breath introduces moisture and particles. Reconnect the dust cap any time the connector is not plugged into a port.
Can COBTEL supply OEM-branded single mode fiber optic patch cord orders?
Yes. COBTEL is a full-service OEM manufacturer for single mode fiber optic patch cord products. B2B distributors, telecommunications equipment resellers, and systems integrators can place OEM orders with custom packaging (box artwork, labels, printed documentation), custom heat-shrink print on the cable, custom jacket colors, and any connector configuration in the catalog. The OEM order process starts with a specification submission, followed by sample production within 3 to 5 business days. After sample approval, full production runs from 100 to 100,000+ pieces are scheduled on agreed lead times. Contact the COBTEL B2B sales team to begin the OEM inquiry process.

Ready to Upgrade Your Optical Network?

Get a fast quote on the fc fiber patch cord that data center engineers, telecom operators, and systems integrators trust. Bulk pricing, OEM programs, and sample orders available now.

 

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