G.657A2 Indoor Optical Cable - Certified Manufacturer
Supplier's customization ability
- Drawing-based customization
- Sample-based customization
- Full customization
Minimum order quantity: 1 km
Shipping total: To be negotiated
- Lead time:
- confirmed with the quotation
- Packaging:
- standard export packing
- Samples:
- available on request
Product details
Technical Specifications of G.657A2 Indoor Optical Cable
| Property | Parameter | Description |
|---|---|---|
| Product Name | G.657A2 Indoor Optical Cable | Bend-insensitive single-mode indoor fiber optic cable |
| Fiber Type | ITU-T G.657A2 Single-Mode Fiber | Compatible with G.652D; enhanced bend performance category A2 |
| Standard Compliance | ITU-T G.657A2 / IEC 60793-2-50 | Meets international telecom and fiber optic cable standards |
| Attenuation | ≤0.4 dB/km @ 1310 nm; ≤0.3 dB/km @ 1550 nm | Low signal loss for indoor FTTH/FTTB applications |
| Minimum Bend Radius | 7.5 mm (long-term); 5 mm (short-term) | Superior bend tolerance vs. G.652D; ideal for tight routing |
| Cable Structure | Tight-buffered / LSZH jacketed | Single fiber or 2-fiber drop cable construction available |
| Fiber Count | 1F, 2F, 4F (customizable) | Supports simplex, duplex, and multi-fiber indoor configurations |
| Outer Diameter | 2.0 mm × 3.0 mm (flat); Ø 2.0 mm (round) | Compact profile for wall routing and conduit installation |
| Tensile Strength | ≥100 N (short-term); ≥60 N (long-term) | Per IEC 60794-1-2 Method E1 test requirements |
| Crush Resistance | ≥1000 N/100 mm | Tested per IEC 60794-1-2 Method E3 |
| Operating Temperature | -20°C to +70°C | Storage range: -40°C to +85°C |
| Jacket Material | LSZH (Low Smoke Zero Halogen) | Flame-retardant; compliant with IEC 60332-1 and IEC 60754 |
| Surface Finish | Smooth LSZH outer sheath | UV-resistant optional; color-coded per TIA-598 standard |
| Application | FTTH, FTTB, indoor wiring, MDU, data centers | Suitable for last-mile access networks and building distribution |
| Certification | CE, RoHS, ISO 9001, ITU-T G.657A2 | Third-party tested; REACH compliant available on request |
| Packaging | 500 m / 1000 m / 2000 m per reel | Wooden or plastic reels; custom lengths available |
| MOQ | 1 km | OEM/ODM orders accepted; sample reels available for testing |
G.657A2 Indoor Optical Cable - Certified Manufacturer
The G.657A2 Indoor Optical Cable represents the gold standard for last-mile fiber deployments inside buildings, residential units, and enterprise premises. Engineered in full compliance with ITU-T G.657A2 specifications, this bend-insensitive single-mode cable tolerates a minimum bending radius of just 7.5 mm — roughly half the tolerance required by conventional G.652D fiber — without measurable signal degradation. As a certified manufacturer with vertically integrated production lines, we supply G.657A2 Indoor Optical Cable to telecom operators, system integrators, and FTTH contractors across more than 40 countries. Our cables are designed to navigate tight conduit runs, sharp wall corners, and staple-mounted routing paths that would compromise standard single-mode fiber. Whether you are rolling out a large-scale MDU (multi-dwelling unit) network or a single-building enterprise LAN, our G.657A2 cable delivers the reliability and optical clarity your infrastructure demands — backed by ISO 9001 certification and full IEC 60794-1 mechanical test compliance.
What is G.657A2 Indoor Optical Cable?
G.657A2 Indoor Optical Cable is a bend-insensitive single-mode optical fiber cable standardized by the ITU-T G.657 series, Category A2. It is fully backward-compatible with G.652D fiber and is specifically engineered for indoor installation environments where tight bends, micro-routing, and space-constrained pathways are unavoidable. The A2 sub-category offers superior macro-bend performance compared to A1, with an additional attenuation limit of ≤0.1 dB at a 7.5 mm bend radius for 1 turn at 1550 nm, making it ideal for FTTH drop cables, riser cables, and patch cord assemblies inside buildings.

G.657A2 Indoor Optical Cable Technical Specifications
Our G.657A2 Indoor Optical Cable is manufactured to precise optical and mechanical parameters, ensuring consistent performance across every production batch. Key specifications include an attenuation coefficient of ≤0.4 dB/km at 1310 nm and ≤0.3 dB/km at 1550 nm, a mode field diameter of 8.6–9.5 µm at 1310 nm, and a zero-dispersion wavelength between 1300 nm and 1324 nm. Cable constructions are available in simplex, duplex, and multi-fiber bundle formats with LSZH, PVC, or riser-rated jacket materials.

| Parameter | Specification | Standard |
|---|---|---|
| Fiber Type | Single-mode, bend-insensitive | ITU-T G.657A2 |
| Attenuation @ 1310 nm | ≤ 0.40 dB/km | IEC 60793-2-50 |
| Attenuation @ 1550 nm | ≤ 0.30 dB/km | IEC 60793-2-50 |
| Mode Field Diameter @ 1310 nm | 8.6 – 9.5 µm (±0.4 µm) | ITU-T G.657A2 |
| Min. Bend Radius (long-term) | 15 mm | IEC 60794-1-2 |
| Min. Bend Radius (short-term) | 7.5 mm | IEC 60794-1-2 |
| Additional Attenuation @ 7.5 mm / 1 turn / 1550 nm | ≤ 0.10 dB | ITU-T G.657A2 |
| Cladding Diameter | 125.0 ± 0.7 µm | ITU-T G.657A2 |
| Coating Diameter | 245 ± 10 µm | IEC 60793-2-50 |
| Chromatic Dispersion @ 1550 nm | ≤ 18 ps/(nm·km) | ITU-T G.657A2 |
| Operating Temperature | -20°C to +70°C | IEC 60794-1-2 |
| Jacket Material Options | LSZH / PVC / Riser-rated | IEC 60332-1 |
| Tensile Strength (long-term) | 100 N minimum | IEC 60794-1-2 E1 |
| Crush Resistance | 1000 N/100 mm | IEC 60794-1-2 E3 |
Get a Competitive Quote for G.657A2 Indoor Optical Cable
Partner with a certified manufacturer that delivers mill-direct rates, rigorous quality control, and responsive technical support. Whether you need a trial order or high-volume supply of G.657A2 Indoor Optical Cable, our team is ready to customize specifications, packaging, and lead times to match your project requirements. Submit your inquiry today and receive a detailed quotation within 24 hours.
- 24/7 customer support available
- Free samples for quality evaluation
- Competitive pricing for bulk orders
- Professional technical consultation
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