SC/UPC-SC/UPC SM Duplex Patchcord
SC/UPC-SC/UPC SM Duplex Patchcord is part of the fiber optic patchcord range built by Ever Expresslink Limited in Ningbo, China. It is built on the SC (Subscriber Connector) interface.
Factory-terminated jumpers that turn a planned link budget into a working one
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Product Overview
SC/UPC-SC/UPC SM Duplex Patchcord is part of the fiber optic patchcord range built by Ever Expresslink Limited in Ningbo, China. It is built on the SC (Subscriber Connector) interface.
SC pairs a 2.5 mm ferrule with a square push-pull housing that clicks into the adapter and releases by pulling the body straight back. It is the workhorse of FTTH and passive optical distribution: a technician can seat a port blind, inside a closure, wearing gloves, without rotating anything.
Single-mode fiber carries one propagation mode in a 9 µm core, so pulse spreading stays low and the link budget is set by loss rather than dispersion. Use it for access, metro and long-haul spans, for PON distribution and for anything that has to survive a future speed upgrade.
UPC is an ultra-physical-contact polish: a domed, highly polished end face that presses fiber core to fiber core. It is the default for most data, enterprise and general telecom patching.
Key Benefits
- Supplied as SC/UPC-SC/UPC SM Duplex Patchcord, so the part you receive matches the designation you ordered against
- UPC end face: It is the default for most data, enterprise and general telecom patching.
- Single Mode at 9/125 µm: Use it for access, metro and long-haul spans, for PON distribution and for anything that has to survive a future speed upgrade.
- Duplex construction: Two fibres in a zip or round jacket, clipped as a transmit and receive pair. Use it for transceiver ports, where polarity has to stay consistent end to end.
- Factory termination and polishing under controlled conditions, not a crimp done on a ladder
- One supplier for every mainstream connector, polish and fiber-mode combination
Problems It Solves
- Jacket ratings that fail a building inspection after the cabling is already installed
- Long lead times on non-standard lengths, which stall a commissioning window
- Link budgets that pass on paper and fail on site because connector loss was assumed rather than measured
- Cords that drift out of spec after repeated re-patching in an active patch field
Application Scenarios
- PON splitter outputs
- Patching optical line terminals to splitter shelves inside a central office
- Connecting transceivers to an optical distribution frame in a data hall
- Cross-connecting between patch panels in a campus riser
- Building portable test leads for field engineering kits
Who It Is For
- Data-center and enterprise cabling contractors building out patch fields
- System integrators commissioning transmission and monitoring equipment
- Distributors who need one supplier for a full connector and polish matrix
- OEM equipment makers bundling cords with their own hardware
Technical Features
- SC (Subscriber Connector) interface
- SC bodies clip together into duplex pairs. Check polarity before you clip, because a reversed duplex clip is easy to build and hard to spot in a cabinet.
- Single Mode fiber at 9/125 µm
- Jacket and boot color coded by polish type for quick field identification
- Individually bagged and end-capped so end faces stay clean until installation
- Zirconia ceramic ferrule with pre-polished end face
- Spring-loaded ferrule assembly to maintain physical contact under load
Materials
- Zirconia ceramic ferrule
- Copper alloy or stainless coupling hardware
- PVC, LSZH or OFNP jacket depending on the building code that applies
- Aramid yarn strength members
- Thermoplastic boot and housing
Specifications
| Product Designation | SC/UPC-SC/UPC SM DUPLEX PATCHCORD |
|---|---|
| Product Family | Fiber Optic Patchcord |
| Connector Interface | SC (Subscriber Connector) |
| End Face Polish | UPC |
| Fiber Mode | Single Mode (9/125 µm) |
| Cable Structure | Duplex |
| Manufactured In | Ningbo, China |
| Warranty | One year against defects in materials and workmanship |
Values shown are those carried by the product designation. Dimensional and optical values for a specific order are confirmed on the quotation.
Manufacturing Process
- Fiber and connector kitting against the works order
- Epoxy injection and fiber insertion into the ferrule
- Oven curing of the epoxy bond
- Cleave and multi-stage polish to the specified end-face profile
- Interferometric and visual end-face inspection
- Insertion loss and return loss test on every unit
- End-cap fitting, labeling and individual bagging
Quality Control
- End-face geometry inspection before the cord is allowed to be tested
- Insertion loss and return loss measured per assembly, not per batch
- Tensile and side-pull checks on sample units from each production run
- Visual inspection for jacket damage, boot seating and label accuracy
- Final cleanliness check and end-cap fitting before packing
Customization Options
- Any length from short equipment jumpers to long riser runs
- Mixed connector types on each end for equipment-to-frame transitions
- UPC or APC polish specified per end
- PVC, LSZH, armoured or outdoor-rated jacket
- Custom boot colors, jacket printing and private-label packaging
Compared With Other Options
| LC | LC is half the footprint and doubles port density; SC is easier to handle in a crowded closure |
|---|---|
| FC | FC's threaded nut resists vibration; SC is faster to patch and re-patch |
| APC version | APC adds an eight degree angle so reflections leave the core, which matters on PON, CATV and RF-over-glass paths. It is not interchangeable with this part. |
| Multimode version | Multimode is cheaper to drive over short in-building distances but cannot carry the reach or the upgrade headroom of single mode. |
Handling SC/UPC-SC/UPC SM Duplex Patchcord
Before You Order
- Confirm the connector type and polish at both ends against the equipment and the frame
- Confirm fiber mode and core size match the installed plant end to end
- Inspect and clean both end faces before every mating, including on a new cord
In Service
- Seat the connector fully until the latch or nut engages, then verify with a power meter
- Keep the bend radius above the cord's rated minimum through the whole route
- Re-cap any cord taken out of service instead of leaving the ferrule exposed
Questions About SC/UPC-SC/UPC SM Duplex Patchcord
What do you need from us to quote SC/UPC-SC/UPC SM Duplex Patchcord?
The quantity, the destination and anything that has to match on your side: connector and polish at each end, fiber mode and core size, and length where the item is an assembly. If you are matching a part you already buy, send the sample and we will quote against it.
Can SC/UPC-SC/UPC SM Duplex Patchcord be supplied with a different connector interface?
Yes. SC (Subscriber Connector) is what this designation carries, and the same family is stocked across the other mainstream connector standards. Tell us the port you have to mate with and we will confirm the equivalent part.
Is SC/UPC-SC/UPC SM Duplex Patchcord available in the other fiber mode?
This item is single mode. Single-mode alignment tolerance is tight. End-face cleanliness matters more here than on any multimode link. The corresponding version in the other fiber mode is available; confirm the installed plant at both ends before ordering.
Can I order non-standard lengths?
Yes. Cords are cut and terminated to the length on your order rather than to a fixed catalog ladder, which is usually cheaper than buying long cords and coiling the slack.
What is the difference between UPC and APC on a patch cord?
UPC uses a domed end face for direct core contact. APC adds an eight degree angle so reflected light leaves the core, which matters on PON and RF-over-glass paths. APC cords are green, UPC cords are blue, and the two must not be mated to each other.
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View DetailsGuides Cases and Industries
Choosing a Fiber Media Converter
Single fiber or dual fiber, fixed optics or SFP, standalone or chassis: four decisions that determine whether the link works and whether it scales.
Buying GuideHow to Choose a Fiber Optic Connector Type
FC SC LC ST MU MT-RJ and E2000 compared by what actually decides the choice: the port you have to mate with the space you have and how often it gets touched.
Process GuideUPC and APC End Face Polish Explained
Why an eight degree angle changes where reflected light goes, when that matters enough to pay for it, and what happens if the two are mated.
Deployment ProfileCentral Office ODF Consolidation
Turning a fiber plant that grew without a frame into one a new engineer can read
Deployment ProfileCampus Backbone Connector Migration
Phasing a legacy ST or FC estate onto SC and LC equipment without cutting anything
IndustryFTTH and Broadband Operators
Drop-side and distribution hardware for networks whose cost is decided per subscriber
IndustryData Center and Enterprise LAN
High-density patching, structured cabling and building-to-building links
Request Pricing For SC/UPC-SC/UPC SM Duplex Patchcord
Tell us the quantity and destination. If you are matching a part you already buy, send the sample and we will quote against it.