Single-Mode Fiber Optic Cable
Product Description
Single-mode fiber optic cable is the backbone of modern high-capacity optical transport. Built around OS2-grade glass that conforms to ITU-T Recommendation G.652D, this cable type uses an exceptionally narrow light-guiding core-approximately 9 micrometers in diameter-that permits only a single propagation mode to travel down the waveguide. By restricting transmission to one mode, the cable eliminates the inter-modal dispersion that limits multimode systems, allowing light to travel with remarkable spectral purity over enormous spans.
The engineered refractive-index profile carries signals in two optimized wavelength windows, 1310 nm and 1550 nm, where attenuation and dispersion reach their best balance. Paired with laser transceivers, one OS2 pair scales from 1 G through 10 G, 40 G, 100 G, and 400 G, and even coherent terabit links. Because the medium stays fixed as speeds climb, single-mode is a future-ready foundation for carriers, cloud operators, and enterprises.
Product Applications
Long-haul trunk networks. National and international backbones use single-mode cable to bridge hundreds of kilometers between cities and continents, where its minimal loss keeps regenerator spacing wide and cost low.
Metropolitan core rings. Within dense urban areas, providers deploy OS2 cable to interconnect exchanges, aggregation nodes, and Points of Presence, sustaining the heavy east-west traffic metro grids demand.
Data center interconnect (DCI). Hyperscale and colocation operators use single-mode links to stitch campuses together at 100 G and 400 G, where distance rules out multimode alternatives.
5G fronthaul and mid/backhaul. The radio access layer depends on single-mode fiber to ferry massive antenna traffic from remote sites to centralized baseband pools.
FTTH mass distribution. At the access tier, single-mode drops and distribution spans deliver symmetrical gigabit service to residential and business subscribers across vast coverage zones.
Enterprise campus backbone. Large organizations run single-mode risers and interconnects to future-proof intra-site transport well beyond current bandwidth needs.
Product Advantages
Ultra-low attenuation. The 1550 nm window delivers among the lowest loss figures in commercial glass, preserving signal strength across extended routes.
Exceptional transmission reach. Single-mode links sustain usable optical budgets over distances that multimode cannot approach, reducing the number of active repeaters.
Vast bandwidth headroom. With no modal dispersion ceiling, the same cable supports successive generations of higher-rate optics without re-cabling.
Electromagnetic immunity. Glass carries light rather than current, so the cable is inherently unaffected by induction, RF noise, or lightning along the path.
Compact and lightweight construction. The slim profile and low mass simplify handling, tray filling, and dense routing inside ducts and buildings.
Controlled material economy. Standard OS2 glass and mature manufacturing keep per-meter cost predictable while unlocking premium performance.
Key attributes
|
Brand Name |
Sheng Tang |
Model Number |
Gyta53 |
|
Type |
fiber optic cable |
Place of Origin |
Guangdong, China |
|
Number of Conductors |
≥ 10 |
Loose tube |
PBT |
|
Number of C |
≥ 10 |
Fiber Type |
single mode/multimode |
|
Sheath |
PVC, LSZH, TPU |
Fiber count |
2-288 Cores |
|
MOQ |
2000Meter/Meters |
Application |
Telecommunication, Aerial, Duct |
|
Port |
GUANGZHOU |
Place of Origin |
Guangdong, China (Mainland) |
Packaging and delivery
| Packaging Details | GYTA53 fiber optic cable 's packing way: wooden drum or wooden iron drum 1000 m to 3000 m per drum, or any length size as customer required. | Port of dispatch | GUANGZHOU, SHENZHEN |
| Selling Units | Single item | Single package size | 20X25X10 cm |
| Single gross weight | 2.000 kg | Packaging examples |  |
Supply capacity
| Supply Ability | 10000 kilograms per Month |
Lead time
| Quantity (meters) | 1 - 1000 | 1001 - 60000 | 60001-300000 | > 300000 |
| Lead time (days) | 2 | 5 | 15 | To be negotiated |
Customization options
| Option | Min. order: | Customization fee |
|
Customized logo As requested |
1000 meters | -- |
|
Customized packaging As requested |
1000 meters | -- |
|
Graphic customization As requested |
1000 meters | -- |
Company Information
Packaging & Shipping
FAQ
Q1: How does OS2 (G.652D) differ from bend-insensitive G.657 fiber, and when do I need G.657?
A: G.652D is the standard single-mode specification optimized for low attenuation and wide dispersion tolerance. G.657 adds a refined trench-assisted cladding that tolerates much tighter bends without excessive loss. You generally choose G.657 where cable must navigate sharp corners inside buildings, cabinets, or FTTH drop paths; for outside-plant trunk and long-haul runs, standard OS2 remains the economical, fully compatible choice.
Q2: What are the maximum data rates and distances single-mode can support?
A: Over standard OS2, 10 G reaches roughly 40 km, 40 G/100 G extend to 10–40 km in metro contexts, and coherent 400 G can span 80–120 km or more on long-haul systems. Exact reach depends on transmitter power, receiver sensitivity, and link margin, but the medium outpaces every current access and aggregation standard.
Q3: Should I use fusion splicing or mechanical connectors for single-mode joints?
A: Fusion splicing yields the lowest insertion loss and best long-term reliability, which is why it dominates backbone and DCI work. Mechanical splicing is faster for temporary or field repairs but carries slightly higher loss. Either way, single-mode end faces demand meticulous cleaning and precise angle polish-even microscopic dust or a sub-degree mismatch can scatter enough light to breach the loss budget.
Q4: What role does single-mode play in 5G fronthaul and data center interconnect?
A: In 5G fronthaul, single-mode carries high-volume, latency-sensitive streams between remote radio units and centralized processing over CPRI/eCPRI schemes. In DCI, it is the only practical medium for 100 G/400 G campus-to-campus links where multimode reach falls short.
Q5: Why is single-mode considered a future-proof investment?
A: The glass is rate-agnostic. A link installed for 10 G can later carry 100 G or coherent 400 G simply by swapping transceivers at each end-no trenching, no new cable. This upgrade path along the 1310/1550 nm windows protects capital for decades of demand.