Panduit FCS9N-12-10P OS2 LC Splice Cassette, 12-Fiber, Preloaded

Overview

The Panduit FCS9N-12-10P is a factory-preloaded OS2 single-mode splice cassette from the Panduit Opticom fiber management line — engineered for structured cabling installations where field termination time and splice reliability are both on the line. It arrives with 12 discrete LC duplex pigtails (250 µm, OS2) factory-spliced and ready to connect, so technicians spend time dressing runs and patching ports rather than hand-polishing ferrules on a ladder.

This cassette targets enterprise backbone runs, data center cross-connects, and building-riser infrastructure where OS2 single-mode glass is the plant of choice. The steel cassette body integrates directly into fiber optic enclosures and patch panels that accept standard PI-footprint modules — a common form factor across Panduit's OptiCom hardware and compatible third-party chassis (including systems interchangeable with Corning CCH-CS12-A9-P00RE footprint installations).

Key Features

• 12 Preloaded OS2 Pigtails (250 µm): Each of the 12 fibers arrives factory-fusion-spliced to an LC duplex connector — eliminating field polishing and the associated insertion-loss variance. On a 48-port enclosure, that difference can save a half-day of termination labor versus field-polishing on site.
• OS2 Single-Mode Fiber (9 µm Core): OS2 is the correct choice for runs beyond 550 m and for any infrastructure that may eventually migrate to 10G/40G/100G wavelength-division multiplexing. If your plant is multimode OM3/OM4, this cassette is not the right fit — OS2 and multimode transceivers are not interchangeable.
• LC Duplex Front Interface: LC is the dominant connector in current enterprise and data center deployments — SFP+ and QSFP modules almost universally use LC duplex on the single-mode side. Existing LC patch cords in your inventory plug directly without adapters.
• Unterminated Rear (Pigtail / Splice Interface): The rear exits as 250 µm bare fiber for fusion splicing to the incoming plant cable. This is the standard approach for fusion splice-based deployments — the splice protects the joint inside the cassette body, keeping the enclosure interior clean and manageable.
• Steel Cassette Body: Steel construction handles the physical abuse of patch environments — rack vibration, repeated plug/unplug cycles, and incidental contact — without the cracking risk of thin plastic housings. It also provides a degree of shielding relevant in high-EMI machine rooms.
• PI Standard Footprint: PI-standard module sizing means this cassette drops into a wide range of Panduit OptiCom enclosures and compatible third-party chassis without adapter trays. Confirm your enclosure's module footprint (PI vs. MPO swing-frame vs. proprietary) before ordering.
• Black Finish, Standard Color Coding: Black cassette body is visually consistent with OS2 single-mode plant conventions used in many structured cabling installations — useful for at-a-glance fiber-type identification during moves, adds, and changes.

Integration & Compatibility

The FCS9N-12-10P (often searched as FCS9N 12 10P) is designed for the Panduit Opticom enclosure ecosystem and PI-footprint chassis. The competitor cross-reference CCH-CS12-A9-P00RE (Corning) indicates dimensional and footprint compatibility with that platform as well — verify with your enclosure vendor before assuming drop-in fit across brands. Front-side LC duplex ports accept any standard LC simplex or duplex patch cord; polarity management for parallel optics applications (MTP/MPO breakout) requires confirming the pigtail polarity scheme before installation in a structured ANSI/TIA-568 compliant plant. This cassette is sold individually (package quantity: 1) and is available in carton quantities of 10 for larger deployments.

What's in the Box

• 1x Panduit FCS9N-12-10P OS2 LC Splice Cassette, preloaded with 12 LC duplex pigtails (250 µm, OS2 single-mode)

Frequently Asked Questions

Q: Is the FCS9N-12-10P compatible with multimode OM3 or OM4 fiber plant?

A: No. The FCS9N-12-10P uses OS2 single-mode fiber (9 µm core). It is not compatible with multimode OM3 or OM4 plant — those require a separate multimode cassette. Using this cassette with multimode transceivers will result in high insertion loss and link failure.

Q: What enclosures is the FCS9N-12-10P compatible with?

A: This cassette uses a PI-standard footprint and is designed for Panduit Opticom PI-compatible enclosures. It also cross-references to Corning CCH-CS12-A9-P00RE form factor — confirm physical footprint compatibility with your specific enclosure before ordering if using a non-Panduit chassis.

Q: How many fiber connections does the FCS9N-12-10P support?

A: The cassette supports 12 fibers via 12 LC duplex preloaded pigtails. On a duplex basis, that provides 6 duplex circuits per cassette.

Q: Does the FCS9N-12-10P require field termination?

A: The front LC duplex connectors are factory-terminated and preloaded — no field polishing required on the front side. The rear exits as 250 µm bare OS2 fiber pigtails intended for fusion splicing to your incoming plant cable in the field.

Q: Can I order multiple cassettes in bulk?

A: Yes. The FCS9N-12-10P is sold individually (package quantity: 1) with a carton quantity of 10, making it practical for large enclosure deployments or stocking programs.

Jerry Tildsen

The FCS9N-12-10P is one of those components that pays for itself in labor before you've finished the first enclosure. With 12 OS2 LC pigtails factory-spliced and ready to land, you're looking at a cassette that eliminates the single most variable and time-consuming part of a fiber termination job — and at 250 µm pigtail diameter, the splice geometry is consistent and predictable every time.

Technical Highlights:

• 9 µm OS2 Core: Single-mode glass at 9 µm supports 10G/40G/100G optics and wavelength-division multiplexing scenarios that multimode OM4 tops out on — future-proofs backbone runs without a recabling project later.
• 12 Factory-Preloaded Pigtails: Each LC duplex pigtail arrives fusion-spliced at the factory; 12 circuits per cassette means a 144-fiber enclosure bays out in 12 drops with consistent, auditable insertion loss — no per-connector variability from field polish quality.
• PI-Standard Steel Chassis: Steel over plastic matters in active patch zones — the body handles repeated connector insertions and the physical abuse of MACs without deforming the splice tray geometry or stressing the fiber bend radius.

Deployment Considerations:

• Confirm PI module footprint on your target enclosure before procurement — not all LC cassettes are interchangeable across enclosure brands even when labeled 'PI standard'; measure the bay opening and check the Panduit Opticom chassis compatibility matrix.
• The rear pigtails exit as 250 µm bare fiber — you need a fusion splicer on site to land this cassette to the incoming plant cable. If your team doesn't carry a splicer, pre-terminated trunk cables to an adapter plate may be a faster alternative for that run.

The FCS9N-12-10P is the right spec for enterprise building-riser and data center cross-connect projects where OS2 is already the plant standard and the enclosure count justifies the time savings from factory termination over field polish — particularly on jobs with 10 or more cassette bays where the labor delta is measurable on the invoice.