Should fiber optic pigtails be ordered by pair or by strip

Fiber optic pigtails can be ordered individually, by pair, or in strips depending on the type of cable and splicing method; for multi-fiber cables, strip pigtails are generally more efficient. Single vs Multi-Fiber PigtailsA fiber optic pigtail is a short cable with a factory-terminated connector on one end and a bare fiber on the other, designed to be spliced to a fiber optic cable in the field. Single pigtails are used for terminating individual fibers, while strip or ribbon pigtails contain multiple fibers pre-aligned in a flat ribbon, allowing simultaneous splicing of multiple fibers.

When to Order by PairOrdering pigtails by pair is suitable for duplex applications, such as LC duplex connections, where two fibers are always used together for bidirectional communication. This approach simplifies inventory and ensures that both fibers in a duplex link are compatible and matched in length and type. When to Order by StripFor multi-fiber trunk cables, such as 12, 24, or 48-fiber cables, ordering strip or ribbon pigtails is more efficient.

Ribbon pigtails allow multiple fibers to be spliced simultaneously using a ribbon fusion splicer, reducing installation time and ensuring consistent alignment across all fibers. This method is particularly advantageous in high-density environments like data centers or ODFs (Optical Distribution Frames).

Practical Considerations

Splicing Method: Fusion splicing is faster and more reliable for strips, while mechanical splicing can be used for single fibers or pairs. Cable Type: Singlemode fibers often use single or duplex pigtails, while multimode or high-count cables benefit from ribbon pigtails. Inventory Management: Ordering by strip reduces the number of individual pigtails to handle and ensures uniformity across multi-fiber terminations.

Slack and Length: Always order slightly longer pigtails than the cable run to allow for splicing adjustments and routing inside enclosures.

Recommendation

Duplex or low-count fibers: Order pigtails by pair. High-count multi-fiber cables: Order pigtails in strips/ribbons to optimize splicing efficiency and reduce labor. By matching the pigtail configuration to the cable type and network design, you ensure low insertion loss, high return loss, and efficient installation.