Custom Cable Assemblies

Custom Fiber Patch Cords Sourced from Manufacturers to Your Drawing

Looking for a custom fiber patch cord manufacturer? Lumafyn makes custom patch cords in our own factory in China. We turn your drawing or line list (connectors on each end, polish, fiber, cable diameter and jacket, exact length and tolerance, breakout length, labels and packing) into a quote-ready specification, produce it in our own factory, and confirm samples, test records and packing with you before shipment. Standard and custom lines can share one RFQ.

Send Custom Patch Cord RFQ Standard Patch Cords

Last reviewed 2026-11-10 by the Lumafyn team · Orders are produced in our own factory in China.

custom fiber patch cords with different connectors and cable colors

What We Customize

A custom patch cord is still a simple fiber optic cable assembly: cable, two terminations and the labels and packing around them. What makes it custom is that every field follows your installation rather than a catalog step. The table below lists the fields buyers most often change. If your cord is part of a larger assembly such as a trunk or harness, see the fiber optic cable assemblies selection guide first.

Custom fiber patch cord parameters
Parameter	Common options	What to specify
Connectors	LC, SC, FC, ST; same or mixed ends; simplex, duplex or uniboot	Connector on end A and end B
Polish	UPC / APC, or one of each on a hybrid cord	Polish per end
Fiber	G.652.D, G.657.A1/A2, OM3, OM4	Fiber type, or the link it serves
Cable	0.9 / 2.0 / 3.0 mm; PVC, LSZH or project-required jacket; armored option	Diameter, jacket and color
Length	Any length, per line	Length, measuring points and tolerance
Breakout	Fan-out or furcation length on multi-fiber cords	Breakout length and leg labels
Polarity	Duplex A-to-B, or A-to-A on request	Polarity for each duplex line
Labels and packing	Flag or heat-shrink labels, bags, barcodes, cartons	Label text, position, pack type
Testing	Insertion loss, return loss, end-face inspection records	Records required; limits confirmed in the quote

Worker preparing yellow fiber cable from a spool at a cable cutting machine — In-house production reference: singlemode cable cut to length before connector termination.

How a Custom Patch Cord Order Runs

Drawing or line list. You send connectors, fiber, cable, length and labels per line.
Specification review. We check for conflicts, such as APC on one end mated into a UPC port, or a bend-sensitive fiber in a tight tray, and ask before quoting.
Quotation. Price per line with confirmed test values, tolerance, MOQ and lead time.
Sample, if agreed. You approve the sample or the drawing before bulk production.
Production and records. The order is built in our own factory; test records and photos are supplied as agreed.
Packing and shipment. Labels, bags and cartons follow the approved line, ready for reorders.

In-House Production

How a Custom Cord Is Made in Our Factory

Custom patch cords are cut, terminated and checked in our own factory. These photos were taken on our production floor.

Automatic fiber cable cutting machine with a cable reel pay-off stand and control screen — **Cut to length**An automatic cutting machine feeds cable from a reel, so each line can follow its own length.

Hands assembling fiber connectors at a workbench, with blue trays of black and yellow connector parts and coils of aqua patch cord — **Connector assembly**Connector parts sorted in trays at the bench before termination.

Technician checking an aqua patch cord end face with a video inspection scope at a workbench — **End-face check**A video inspection scope is used to check connector end faces before packing.

Compare

Standard or Custom Patch Cords?

Many orders mix both. Keep standard and custom lines separate on the RFQ so each can be priced and reordered cleanly.

Standard vs custom patch cord orders
Field	Standard line	Custom line
Specification	Common connector, fiber and length	Your drawing or line list
Length	Usual catalog steps such as 1, 2, 3, 5, 10 m	Any length and stated tolerance
Labels	Neutral or none	Your text, position and format
Approval	Specification confirmation	Drawing confirmation, sample if agreed
Best for	Distributor stock, quick replenishment	Projects, OEM ranges, special routing

FAQ

Custom Fiber Patch Cord Questions

What makes a fiber patch cord "custom"?

Anything outside a standard catalog line: a non-standard length or tolerance, mixed connectors such as LC to FC, a special cable diameter or jacket, armored or outdoor construction, a set breakout length, specific labels, or a private-label pack. Each is a field on the line, not a different product family.

Do I need a drawing?

Not always. For simple cords a line list is enough. A drawing helps when length is measured to a specific point, when there is a breakout or furcation, or when labels must sit at a fixed distance from the connector.

What length tolerance can you hold?

State the tolerance your installation needs on the RFQ. The production tolerance for your order is confirmed in the quotation; we do not publish a generic figure.

Can I get a sample before the bulk order?

Ask for one in the RFQ. Sample availability, cost and timing are confirmed in the quotation, and bulk production follows the approved sample.

Are you a custom fiber patch cord manufacturer?

Yes. Custom patch cords are produced in our own factory in China. We handle specification review, quotation, production, photo confirmation, packing and export documents.

Standards referenced on this page

ANSI/TIA-568.3-D – optical fiber cabling components: maximum 0.75 dB insertion loss per mated connector pair; minimum return loss 20 dB multimode and 35 dB singlemode; duplex A-to-B and array polarity methods A, B and C.
ITU-T G.652 – characteristics of singlemode fiber (G.652.D is the common low-water-peak grade).
ITU-T G.657 – bend-insensitive singlemode fiber (A1 and A2 categories).
ISO/IEC 11801-1 – generic cabling; defines the OS2, OM3 and OM4 cabled-fiber categories.
IEC 61300-3-35 – visual inspection of fiber optic connector end faces.
IEC 61300-3-4 and IEC 61300-3-6 – test methods for attenuation (insertion loss) and return loss.

Standard values are industry minimums or definitions, not Lumafyn product data. Insertion loss, return loss, length tolerance, MOQ and lead time for your order are confirmed in your quotation and test records.