SC/APC Singlemode Simplex LSZH Fiber Patch Cord 2.0MM 9/125
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SC/APC Singlemode Simplex LSZH Fiber Patch Cord 2.0MM 9/125
Effortless signal clarity with our SC/APC singlemode simplex fiber patch cord. Low insertion loss ≤0.2dB. Built for telecom, data centers & beyond.
Description
SC/APC Singlemode Fiber Patch Cord
The SC/APC simplex fiber patch cord that telecom engineers trust - built to push signals farther, faster, and with zero-compromise clarity. Every millimeter engineered for the demands of live networks.
Your Network's Most Critical Link
Every data center outage, every dropped call, every buffered stream - these failures often trace back to one overlooked component: the patch cord. The COBTEL SC/APC Singlemode Simplex Fiber Patch Cord changes that equation entirely.
This sc fiber optic patch cord carries a 9/125 μm singlemode core, a 2.0mm LSZH outer jacket, and SC/APC connectors on both ends - a combination that produces insertion loss as low as ≤0.2 dB and a return loss of ≥60 dB. Whether you run a data center, a telecom exchange, or a distributed antenna system, this sc to sc fiber patch cord delivers the signal quality your infrastructure demands.
"A fiber connection is only as strong as its weakest cord. Make this one your strongest."
Unlike standard-grade alternatives, this fiber simplex patch cord is manufactured to IEC 61754-4 and TIA-568 standards. The APC-polished ferrule - angled at 8° - dramatically reduces back reflections compared to UPC connectors, protecting sensitive transmitter equipment and keeping your BER (bit error rate) in check even at high data rates.
6 Reasons Engineers Choose This Cord
From the 9/125 singlemode core to the LSZH jacket compound, every element of this simplex fiber optic patch cord is chosen to reduce failure risk and maximize uptime.
The three-ring zirconia ceramic ferrule is precision-ground and APC-polished at an 8° angle. This cuts back reflections to ≥60 dB RL - critical for CATV, DWDM, and analog RF-over-fiber applications where signal integrity cannot be compromised.
At ≤0.2 dB insertion loss per connector, this sc sc fiber patch cord gives you more power budget to work with - translating to longer reach, fewer amplifiers, and lower total cost over the life of your network.
Low-Smoke Zero-Halogen (LSZH) materials are mandatory in enclosed spaces, transit systems, and buildings where toxic fumes pose evacuation risks. This fiber patch cord sc meets IEC 60754 and IEC 61034, so it passes inspection without re-specification.
The 9/125 μm singlemode fiber core uses a bend-insensitive design. Tight bend radii - common in congested patch panels - no longer cause signal degradation or microbend losses that quietly eat into your link margin.
High-tensile Kevlar®-class aramid yarn surrounds the fiber core, delivering pull-resistance that prevents fiber breakage during installation. This is not decoration - it is structural insurance against the cable pulls, twists, and reroutes that happen on every job.
Rated from -20°C to +85°C, this sc fiber patch cord functions equally well in a rooftop equipment cabinet in summer and a cold-aisle data center in winter. No seasonal derating, no performance surprises.
Layer by Layer
Zirconia ceramic, APC-polished. High return loss, ultra-low insertion loss. Consistent performance across thousands of mating cycles.
High-precision molded housing maintains dimensional accuracy to ±0.5 μm. Green color indicates APC polishing to prevent UPC mismatch errors on site.
Integrated single-piece design, bend-resistant. Prevents sharp angle stress at the connector-cable junction - the most common failure point in shorter, cheaper patch cords.
Bend-insensitive glass fiber with excellent mechanical properties. Optimized for 1310 nm and 1550 nm wavelength operation.
Low elongation, fatigue-resistant, eco-friendly, and inherently flame-retardant. Provides tensile load protection during and after installation.
Low-smoke zero-halogen compound. Strong acid/alkali resistance. Excellent moisture resistance. Eco-friendly, low-carbon production.
Built to Outlast the Network Around It
The COBTEL SC/APC patch cord uses high-standard original components across every layer. Nothing is off-spec, nothing is substituted, and nothing degrades under the pressure and temperature cycles of a real-world network environment.
The outer jacket is formed from a specialized LSZH compound - not a generic PVC substitute. When PVC burns, it releases hydrogen chloride gas, which is toxic to people and corrosive to electronics. LSZH jackets produce minimal smoke and no halogen gases, meeting the fire-safety requirements enforced in Europe, North America, and most of the Asia-Pacific region for enclosed installations.
Building codes in the EU (CPR Regulation), UK (BS 6724), and North America increasingly mandate LSZH cables in risers, plenums, and public spaces. Specifying this fiber patch cord sc to sc in your BOM means no last-minute substitutions during compliance audits.
The aramid yarn strength member wraps the fiber core before jacketing. High tensile strength and low elongation mean the fiber cannot be pulled taut by cable management or accidental snagging - a real-world failure mode that standard patch cords ignore at their peril.
At the connector end, high-precision flame-retardant components hold dimensional tolerances that ensure consistent optical alignment. Optical performance that varies between units is one of the leading causes of intermittent link faults - problems that are expensive and time-consuming to diagnose. COBTEL manufactures these components to tight dimensional specs so every cord performs like the last.
The result is a fiber patch cord simplex that does not just connect two ports - it forms a transparent optical bridge that neither adds noise nor loses power over the lifecycle of the installation.
The LSZH Advantage No Engineer Can Ignore
Most IT professionals focus on bandwidth and latency. But safety compliance officers, facilities managers, and insurance underwriters care about something else: what happens to this cable in a fire.
Standard PVC-jacketed patch cords are cheaper upfront. They are also banned or restricted in hospitals, tunnels, offshore installations, public buildings, and passenger transport in much of the world. The COBTEL SC/APC LSZH cord removes that risk. The jacket material emits minimal smoke and no halogen acid gases when exposed to flame - giving occupants precious extra seconds to evacuate and preventing the equipment-destroying corrosion that halogen gases cause.
For buyers sourcing sc fiber optic patch cords for multi-tenant data centers, healthcare facilities, or government contracts, LSZH compliance is not optional. It is a contract requirement. Supplying the right material from the start avoids costly rip-and-replace later.
Numbers That Run Real Networks
The performance of this simplex fiber optic patch cord is not a marketing claim - it is a set of measurable values that determine whether your network link operates within design margins or burns through power budget reserves you do not have.
5-Stage Quality Control That Eliminates Bad Cords Before They Ship
Every sc to sc fiber patch cord in our catalog passes through a five-stage quality control process before it leaves the factory. This is not a compliance checkbox - it is the reason our field return rates are consistently below 0.1%.
The process starts with raw material inspection and ends with end-face verification under 400× magnification. Between those two points, every parameter is measured, compared to standard values, and either cleared or rejected. There is no "close enough" in fiber optic manufacturing.
High-precision polishing technology ensures the APC end-face geometry - radius of curvature, apex offset, fiber height - falls within IEC 61755-3-2 Grade B limits or better. The end-face inspection verifies that no scratches, chips, or contamination are present on the polished surface before packaging.
Fiber, ferrule, aramid yarn, and jacket compound verified against specification before production begins.
Fiber inserted and bonded inside ceramic ferrule under controlled conditions. Cure parameters monitored to prevent eccentric fiber placement.
Automated polishing machine applies progressively finer abrasive films. Parameters include angle, pressure, and rotation - all logged.
Every end-face viewed under interferometer and visual microscope. Any defect means the cord is rejected and re-polished or scrapped.
Final pass/fail test using calibrated light source and optical power meter. Only cords meeting ≤0.2 dB IL and ≥60 dB RL ship.
IEC 61755-3-2 compliant. Radius of curvature, apex offset, and fiber height all within specification.
Every unit measured with calibrated OLTS equipment at both 1310 nm and 1550 nm. No sampling - 100% tested.
APC polish angle and ferrule geometry confirmed via OFR measurement. Values logged per batch.
Cable assembly subjected to tensile load and repeated flex cycles. Insertion loss re-measured after mechanical testing to confirm integrity.
Where This Patch Cord Performs Best
The COBTEL SC/APC simplex fiber patch cord is a carrier-grade component. It belongs in infrastructure that cannot afford downtime - and it delivers in all of the following environments.
In high-density patch panels and ODF frames, this fiber patch cord sc to sc eliminates the signal degradation that cheaper cords introduce at scale. With ≥60 dB return loss, it protects laser transceivers from reflections that cause bit errors and reduce MTBF. Use it in structured cabling between servers, switches, and storage arrays where any signal loss is unacceptable.
FTTx (Fiber to the Home/Building/Curb) deployments rely on SC/APC connectors as the standard interface at the ONT and splitter. This sc fiber optic patch cord connects central offices to distribution frames and OLTs with confidence. The APC polish is essential here: PON networks are highly sensitive to reflections, which can disrupt the upstream burst transmission of multiple ONTs simultaneously.
Cable television and RF distribution systems use analog optical signals that are especially vulnerable to reflection-induced noise. The ≥60 dB return loss of this sc sc fiber patch cord keeps carrier-to-noise ratio (CNR) high across the full channel spectrum. Any reflection that exceeds -55 dBm can appear as visible noise artifacts on end-user displays - this cord prevents that.
Large-scale IP video surveillance networks, access control systems, and traffic management platforms require fiber links that carry HD video without frame drops. This fiber simplex patch cord connects IP cameras and encoders to backbone switches over long distances without signal degradation - keeping every frame sharp and every alarm timestamped accurately.
Simplex or Duplex: Choosing the Right Cord
Buyers often search for both fiber patch cord simplex and duplex fiber patch cord options. Understanding the difference prevents costly ordering mistakes - and it starts with knowing how your transceivers are designed.
A simplex cord - like this one - carries a single fiber. Devices that separate transmit (Tx) and receive (Rx) into two physical ports need one simplex cord per direction, or a single duplex cord. Devices with bidirectional (BiDi) transceivers, WDM couplers, or CWDM systems transmit and receive on the same fiber - they need a simplex cord only.
SC/APC connectors are industry-standard in PON, GPON, XGS-PON, and CWDM systems. If your OLT, ONT, or CATV equipment has a green SC port, it is APC - and this is the cord it needs. Connecting a UPC cord to an APC port is a mismatch that degrades return loss by 30–40 dB and can cause link instability.
| Factor | Simplex | Duplex |
|---|---|---|
| Fibers per cord | 1 | 2 |
| Best for BiDi/WDM | Yes | No |
| Cable bundle size | Smaller | Larger |
| FTTx/PON standard | SC/APC simplex | Optional |
| CATV standard | Simplex APC | Rarely used |
SC/APC vs SC/UPC
Both are common sc fiber optic patch cord variants, but they are not interchangeable. SC/UPC connectors have a flat or slightly curved end-face and are used in Ethernet, LAN, and applications where return loss above -50 dB is acceptable. SC/APC connectors have the 8° angled end-face and achieve ≥60 dB return loss - mandatory for PON and CATV.
The green connector color on this cord is the universal indicator for APC. Stocking both types separately and labeling storage bins clearly prevents field technicians from reaching for the wrong cord under pressure.
When customers ask about mm fiber patch cords (multimode), they are specifying a different fiber type entirely - 50/125 or 62.5/125 μm core - for shorter-distance applications using LED or VCSEL sources. Singlemode 9/125 cords like this one are for longer distances and laser sources. They are not interchangeable.
Specify SC/APC–SC/APC (both ends APC) for all PON and CATV connections. Specify SC/APC–SC/UPC only when one end connects to legacy UPC equipment - and be aware the RL at the UPC end drops to ~50 dB. This cord is SC/APC both ends for maximum performance.
Complete Technical Data Sheet
The specification values below represent the guaranteed minimums and maximums - not typical or nominal values. Every unit shipped against this spec sheet is individually tested to confirm compliance.
For bulk OEM orders, custom lengths from 0.5m to 50m are available. Custom jacket colors, connector configurations, and print marking for asset tracking can be arranged for orders above minimum quantity. Contact our wholesale desk for production lead times and pricing tiers.
This fiber patch cord sc also pairs with our SC/APC pigtails, SC/APC adapters, SC patch panels, and ODF frames for a complete passive fiber infrastructure solution from a single supplier - simplifying your vendor management and ensuring end-to-end optical compatibility.
| Brand | COBTEL |
| Interface Type | SC/APC – SC/APC |
| Fiber Type | Singlemode, Single-Core |
| Core/Cladding | 9/125 μm |
| Jacket Material | LSZH (Low-Smoke Zero-Halogen) |
| Outer Diameter | 2.0 mm |
| Insertion Loss | ≤0.2 dB |
| Return Loss | ≥60 dB |
| Ferrule Material | Zirconia Ceramic |
| Polish Type | APC (8° angled) |
| Operating Temp. | -20°C to +85°C |
| Storage Temp. | -40°C to +85°C |
| Strength Member | Aramid Yarn (Kevlar-class) |
| Connector Color | Green (APC standard) |
| Configuration | Simplex (single fiber) |
| Wavelength | 1310 nm / 1550 nm |
| Compliance | IEC 61754-4, TIA-568 |
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The Best?
Join distributors, integrators, and telecoms across 40+ countries who trust COBTEL SC/APC fiber patch cords in live networks. Volume pricing, OEM custom marking, and fast dispatch available.
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