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Single Mode Fiber Cable

OS2 G.652D & G.657A bend-insensitive single mode fiber cable engineered for long-haul telecom, FTTH access, and 400G/800G data-center backbones — with ultra-low attenuation and field-proven reliability from −40 °C to +70 °C.

Subcategory:

Fiber Patch Cord

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What Is a Single Mode Fiber Cable?

A single mode fiber cable (SMF, OS2) carries light in a single ray path through a tiny 9 µm core (9/125 µm). Because there is only one propagation mode, it eliminates modal dispersion — delivering the lowest attenuation and the longest reach of any optical fiber type, which is why it is the default choice for backbone, metro, and long-haul networks.

HUAXIN builds single mode fiber cable on ITU-T G.652D standard SMF and G.657A1/A2 bend-insensitive fiber, enclosed in LSZH, PE/MDPE, or corrugated-steel armored jackets for indoor, duct, aerial, and direct-buried deployments.

9/125 µm core/cladding — one transmission mode, near-zero modal dispersion
Optimized for 1310 nm & 1550 nm windows; supports 10G→400G→1.6T upgrades
Bend-insensitive G.657A2 option for tight FTTH and indoor routing
Custom fiber counts (2–288 cores), lengths, and connectorization

single mode vs multimode OS2 single mode cable G.652D G.657A bend-insensitive

Key Features & Benefits

Why engineers specify HUAXIN single mode fiber cable for critical links

∞

Ultra-Low Attenuation

≤0.35 dB/km @1310nm and ≤0.21 dB/km @1550nm keep optical budgets tight across long spans and high-speed 400G/800G links.

⟲

Bend-Insensitive (G.657A)

G.657A1/A2 fiber tolerates small bend radii for FTTH and dense indoor routing without spiking loss.

⚙

Robust Construction

Central loose tube, water-blocking, steel-wire strength members and PE/LSZH or armored sheath resist crush, tension and moisture.

🌡

Wide Temperature Range

Verified from −40 °C to +70 °C operation — suitable for desert, coastal and base-station outdoor installs.

🔧

Easy Installation

Light weight, flexible, available duct / aerial / direct-buried; optional factory pre-termination cuts field splicing.

📐

Fully Customizable

Any fiber count (2–288), jacket, armor and length; SC/LC/FC connectors and pigtails on request.

Single Mode Fiber Cable Specifications

Typical values for OS2 G.652D / G.657A1 / G.657A2 single mode cable (per IEC 60794 & ITU-T)

Optical Characteristics

Item	Specification
Fiber Type	Single mode OS2 — ITU-T G.652D / G.657A1 / G.657A2
Attenuation (max)	≤0.35 dB/km @1310 nm; ≤0.21 dB/km @1550 nm
Mode Field Diameter (MFD)	9.2 ± 0.4 µm @1310 nm
Cladding Diameter	125.0 ± 1.0 µm
Cable Cut-off Wavelength	≤ 1260 nm
Chromatic Dispersion	≤ 3.5 ps/(nm·km) @1310 nm; ≤ 18 ps/(nm·km) @1550 nm
Polarization Mode Dispersion (PMD)	≤ 0.2 ps/√km (link design ≤ 0.05)
Zero-Dispersion Wavelength	1300 – 1324 nm

Mechanical & Environmental Characteristics

Test / Characteristic	Value	Standard
Tensile Strength (long / short term)	600 N / 1500 N	IEC 60794-1-E1
Crush Resistance (long / short term)	300 N / 1000 N per 100 mm	IEC 60794-1-E3
Minimum Bend Radius (static / dynamic)	10 × Ø / 20 × Ø	IEC 60794-1-E11
Operating Temperature	−40 °C to +70 °C	IEC 60794-1-F1
Storage / Transport Temperature	−40 °C to +70 °C	IEC 60794-1-F1
Installation Temperature	−5 °C to +50 °C	—
Flame Retardancy	IEC 60332-3 (LSZH jacket option)	IEC 60332-3

Cable Construction & Parameters

Parameter	Specification
Fiber Count	2, 4, 6, 8, 12, 24, 48, 96, 144 … up to 288 cores
Construction	Central loose tube, gel / dry water-blocking, 2 steel strength members
Armor Option	Corrugated steel tape (outdoor / rodent-protected)
Outer Sheath	PE / MDPE (outdoor), LSZH (indoor / plenum), HDPE
Nominal Outer Diameter	7.5 mm (12F) – 8.5 mm (24F); 9.5 mm on request
Drum Length	2000 m ± 5% (custom lengths available)
Sheath Printing	Engraved hot-foil or inkjet; TIA-598-D color coding

Values are typical for HUAXIN OS2 single mode cable and may vary by jacket, armor and fiber-count configuration. Final specs are confirmed on the factory test report (ATR) shipped with every reel.

OS2 G.652D / G.657A Cable Construction

Single mode fibers (9/125 µm): G.652D or bend-insensitive G.657A, color-coded per TIA-598-D.
Central loose tube: gel-filled or dry water-blocking to protect fibers from moisture.
Steel strength members: longitudinal steel wires absorb tensile load during installation.
Armor (optional): corrugated steel tape for rodent and crush protection.
Outer sheath: PE/MDPE for outdoor, LSZH for indoor/plenum, with ≥2.5% carbon black for UV resistance.

Need a different structure? HUAXIN also supplies figure-8 aerial, ADSS, FTTH drop, and armored single mode cable — tell us your route and we will engineer the cross-section.

Single Mode vs Multimode Fiber (SMF vs MMF)

Choosing the right fiber for your link distance and speed

Dimension	Single Mode (OS2)	Multimode (OM3/OM4/OM5)
Core diameter	9 µm (9/125)	50 µm (50/125)
Propagation modes	One mode — no modal dispersion	Multiple modes
Typical reach	Up to tens of km	Up to ~550 m (OM4/OM5)
Best for	Backbone, metro, long-haul, FTTH	Short-reach data-center (leaf-spine)
Transceiver cost	Higher optics, lower fiber cost	Lower optics, higher fiber cost
HUAXIN offering	G.652D / G.657A single mode cable	OM3 / OM4 / OM5 patch & trunk

Still deciding between single mode and multimode? Our engineers will size the link for your distance, speed and budget — just ask in the quote form below.

Single Mode Fiber Cable Applications

Telecom & Long-Haul

Metro and long-haul backbones where low attenuation and long reach are mandatory.

FTTH / FTTx Access

Last-mile drop and distribution with bend-insensitive G.657A for tight in-home routing.

Data Centers (400G/800G)

OS2 backbone interconnects scaling to 800G and 1.6T without re-cabling.

CATV Networks

High-bandwidth broadband delivery with stable optical performance.

Power & Aerial Routes

Self-supported figure-8 and ADSS single mode for overhead power-line corridors.

Industrial & Campus

Armored LSZH cable for factories, campuses and harsh environments.

outdoor single mode cable aerial fiber cable underground fiber optic cable armored single mode cable FTTH drop cable

Why Choose HUAXIN Single Mode Fiber Cable

Factory-controlled quality from preform to cable — the trust anchor for EPCs and ISPs

100%

Per-Reel Optical Test

Every reel is 100% attenuation and continuity tested; an ATR test report ships with the order.

−40~+75°C

Harsh-Environment Grade

Desert, coastal and base-station validated; MDPE with ≥2.5% carbon black for UV resistance.

ISO 9001

Certified & Compliant

Produced to IEC 60794, ITU-T G.652D/G.657, RoHS; regional approvals supported (CITRA, Anatel on request).

30%+

Future-Proof Over-Provisioning

Design spare fiber capacity so 400G→800G→1.6T upgrades need no re-cabling.

8–12wk

Fast Custom Batches

Integrated supply chain shortens lead time for custom counts, jackets and pre-termination.

1 Source

Turnkey Cabling

Cable, patch cords, MPO trunks, panels and labeling from one factory and one warranty.

HUAXIN also provides a full range of optical connection products — fiber patch cords, MPO/MTP trunk cables, fiber pigtails and FTTH drop cables. Ask us for a complete bill of materials.

Frequently Asked Questions

What is a single mode fiber cable used for?▾

A single mode fiber cable carries a single light path through a 9 µm core, giving the lowest loss and longest reach of any fiber. It is the standard for telecom backbones, metro networks, long-haul, FTTH access and data-center interconnects up to 800G/1.6T.

Single mode vs multimode — which should I choose?▾

Choose single mode (OS2) for distances beyond a few hundred meters and for backbone/long-haul/FTTH. Choose multimode (OM3/OM4/OM5) for short-reach, high-density data-center leaf-spine links where optics are cheaper. Our team can size it for your exact distance and speed.

What attenuation can I expect from HUAXIN OS2 cable?▾

Typical max attenuation is ≤0.35 dB/km at 1310 nm and ≤0.21 dB/km at 1550 nm, verified per reel. Actual values are printed on the attached test report.

Can the single mode cable be customized?▾

Yes. We supply any fiber count (2–288), PE/LSZH/armored jackets, figure-8 or ADSS structures, and factory pre-termination with SC/LC/FC connectors and pigtails. Custom batches ship in 8–12 weeks.

How much does single mode fiber cable cost?▾

Pricing depends on fiber count, jacket, armor and length, plus raw-fiber market movement. Contact us with your specs for a transparent, indexed quote — we avoid volatile spot pricing through framework agreements.

Which standards does the cable comply with?▾

HUAXIN single mode fiber cable is built to ITU-T G.652D / G.657A, IEC 60794-1 (mechanical & environmental), IEC 60332-3 flame retardancy, and RoHS, under an ISO 9001 quality system.

keyword:

Single Mode Fiber Cable

Do you provide sample service?

Yes, we provide free or low price samples for you to test and check quality. Mixed samples are acceptable.

What about the MOQ?

Most products have a minimum order quantity, but some stocks can accept small orders.

When can I get the quotation back?

Generally, quotes will be replied within 24 hours or faster(weekends not included), however, a few of days would be taken for special ones.

How long is the guarantee of the product?

According to the type of product,We offer 1-3 years warranty to our formal products.

What about delivery time?

We need 1-3 days to handling the sample, and 5-15 days to process our normal goods.

How about the cable's quality ?

We guarantee that our products are ISO9001 standard compliant. We have a series of professional equipment and manufacturing instruments to make sure reliable quality of our products.

How do l assure that you are a reliable supplier?

Our factory has dug in this industry for many years and sold to many countries in the world. If you are willing to verify that through the phone or video, you are welcome at any time.

Could the OEM be accepted and what's the MOQ?

Of course, your customization order is always welcomed. The MOQ Depends on different items, each item has its own minimum quantity. Your satisfaction is our maximum motivation

What is your trade term?

EXW, FOB, CNF, CIF, DDU, DDP are available, depend on real order.

What is your payment term?

T/T, Paypal, Alipay, Wechat, Western Union, L/C are available.