Product value summary
This page identifies one proposed 2F, G.657.A1, tight-buffered breakout cable with black LSZH outer sheath configuration for indoor fiber distribution. The supplied record lists 0.9 mm tight buffers, Kevlar yarn, blue/yellow LSZH sub-units and a 6.8–7.0 mm outer-sheath diameter. Confirm the model/SKU, source-row interpretation, project rating and end condition before purchase.
Short answer for buyers
Use this record when your cable schedule calls for two G.657.A1 single-mode fibers in an indoor tight-buffered breakout construction with a black LSZH sheath. It is currently documented as bulk cable; connector type, polish, termination and project fire-rating evidence are TBC — source required.
Key features (source-bounded)
- Fiber count: 2F.
- Fiber type: G.657.A1.
- Tight-buffer material: PVC; nominal tight-buffer diameter: 0.9 ± 0.05 mm.
- Sub-units: LSZH, blue and yellow; nominal sub-unit diameter: 1.9 ± 0.1 mm.
- Strength member: Kevlar yarn.
- Outer sheath: black LSZH; stated diameter: 6.8–7.0 mm.
- Interfaces/connectors, polish, gender and pre-termination: TBC — source required.
Technical specifications
| Parameter | Supplied value | Release state |
|---|---|---|
| Fiber count / grade | 2F / G.657.A1 | Use after source-row confirmation |
| Outer sheath | LSZH, black | Confirm material declaration |
| Outer diameter | 6.8–7.0 mm | Confirm tolerance basis |
| Tight buffer | PVC, 0.9 ± 0.05 mm | Confirm source row |
| Sub-units | LSZH, blue & yellow, 1.9 ± 0.1 mm | Confirm source row |
| Strength member | Kevlar yarn | Confirm product record |
| Cable weight | 46 kg | TBC — confirm kg/km or reel basis |
| Attenuation @ 1310 nm | ≤0.4 dB/km | Confirm source/test basis |
| Attenuation @ 1550 nm | ≤0.3 dB/km | Confirm source/test basis |
| Minimum bend radius, long term | 10D | Confirm definition and finished-cable basis |
| Minimum bend radius, short term | 20D | Confirm definition and finished-cable basis |
| Short-term tensile | 200 N | Confirm test condition |
| Short-term crush | 500 N/100 mm | Confirm test condition |
| Operating/transport temperature | −20 to +80 °C | Confirm separate storage/operation limits |
| PMD | Values supplied without units | do not use for order release until corrected |
| MFD @ 1310/1550 nm | Source states nm | do not use for order release until engineering confirms unit |
Interfaces and configuration boundary
This record describes cable construction, not a finished connectorized assembly. Connector type, polish, gender, fan-out, termination length, end treatment and compatible panel hardware are TBC — source required. Do not infer LC, SC, FC, UPC, APC, duplexing or equipment compatibility from “2F” or “breakout.”
Application and compatibility conditions
The supplied application is indoor fiber distribution. Before approval, match the exact route, pathway, bend space, support method, termination plan and project-required flame/smoke/halogen evidence. “LSZH” is a material description; it is not, by itself, proof of a particular building or fire classification. LSZH material labels must be kept separate from model-specific fire-rating evidence.
Do not approve this indoor record for outdoor, aerial, wet, UV-exposed or direct-buried routes without model-specific documentation.
How to select the correct configuration
- Confirm the owner, model/SKU and whether the category’s “2F LSZH Black OD7.0” card is this same record.
- Confirm 2F, G.657.A1, tight-buffered breakout construction and black LSZH sheath.
- Confirm OD, bend, tensile, crush and temperature conditions against the current source sheet.
- Define connector/end condition, termination method, label text, total length and reel/roll plan.
- Request the exact project rating and applicable test evidence; do not substitute a generic LSZH statement.
- Approve a sample or source drawing before a batch PO when the construction or unit fields remain ambiguous.
Differences from related products
| Related record | Distinguishing decision | Do not assume |
|---|---|---|
| Indoor Fiber Cable category | Broad family selection and route guidance | Category copy does not prove this model’s specs |
| 2F LSZH Black OD7.0 category item | Possible same/near-duplicate record | Different name does not prove different SKU |
| 48F G657A1 breakout | Fiber count and likely construction differ | 48F values cannot be copied to 2F |
| 24F armored G657A1 breakout | Armor and count differ | Armored mechanical claims do not transfer |
| Fiber patch cord/pigtail | Finished connectorized assembly | This page does not establish connectors or polish |
Testing and quality-control process
No product-specific test report was supplied in this audit. The page may say only: “Request the current datasheet, construction drawing, optical test basis, mechanical test conditions and per-reel records applicable to the confirmed model.” Do not claim OTDR, insertion-loss, return-loss, flame, crush or tensile results until the report, method, limits and sample scope are supplied.
Packaging and procurement information
The page should collect total cable length, length per drum/roll, quantity, marking text and delivery destination. Packaging dimensions, reel type, net/gross weight, MOQ, price, stock and lead time are TBC — source required.
Required RFQ fields
- Confirmed model/SKU or drawing revision.
- 2F / G.657.A1 / tight-buffered / breakout / black LSZH.
- Total length; length per drum or roll; quantity.
- Required outer-diameter tolerance and bend/tensile/crush conditions.
- Connector/end condition, if any; otherwise state bulk/open-end cable.
- Cable marking text, language and reel label requirements.
- Required fire/smoke/halogen classification and project authority.
- Destination, Incoterm and requested document package.
Datasheet, drawing and test-report area
Publish download links only after files are attached and versioned: current datasheet (TBC), construction drawing (TBC), optical test report (TBC), mechanical/environmental report (TBC), material/rating declaration (TBC).
RFQ CTA
Request a configuration review and quotation
Send the cable schedule or drawing with the fields above. BWNFiber should confirm the exact record, source revision, open-end/connector condition, project rating and document package before quotation approval.
