Underground Outdoor Fiber Cable for Direct Burial

Anxun optical fiber Co., Ltd.

Verified Custom manufacturer · 7 yrs ·

China

Customizable Rock-bottom price

$285 1-49 kilometers Base price

$273 50-99 kilometers 4.2% off

$266 ≥100 kilometers 6.7% off

Price validity: subject to market conditions

Supplier's customization ability

Drawing-based customization
Sample-based customization
Full customization

Quantity

Minimum order quantity: 1 kilometers

Shipping total: To be negotiated

Subtotal of goods US$ 285.00

Start order request

Payment and delivery

Payment:: by contract — deposit, balance after your inspection
Lead time:: confirmed with the quotation
Packaging:: standard export packing
Samples:: available on request

Product details

Technical Specifications of Underground Outdoor Fiber Cable

Property	Parameter	Description
Optical Fiber Product Name	Underground Outdoor Fiber Cable	Direct-burial armored fiber optic cable designed for underground and outdoor deployment
Fiber Grade & ITU-T Classification	G.652D / G.657A1	Single-mode fiber compliant with ITU-T G.652D standard; optional bend-insensitive G.657A1 grade
Core & Cladding Diameter Range	Core: 9 µm / Cladding: 125 ± 0.7 µm	Standard SMF core/cladding geometry ensuring precise splice and connector alignment
Attenuation Coefficient at 1310nm	≤ 0.35 dB/km	Maximum attenuation at 1310 nm wavelength per ITU-T G.652D specification
Attenuation Coefficient at 1550nm	≤ 0.20 dB/km	Maximum attenuation at 1550 nm wavelength suitable for long-haul underground transmission
Macrobending Loss Performance	≤ 0.10 dB at R=30 mm (100 turns, 1550 nm)	Low macrobend loss ensures signal integrity under mechanical stress in buried environments
Chromatic Dispersion Coefficient	≤ 18 ps/(nm·km) at 1550 nm	Dispersion value within ITU-T G.652D limits for standard single-mode transmission
Batch Qualification Rate	≥ 99.5%	Per-batch optical and mechanical testing pass rate under ISO 9001 quality control process
Manufacturing Environment Standards	ISO 9001:2015 / ISO 14001:2015	Production carried out in certified cleanroom and environmentally controlled facilities
Core Raw Material Source	High-purity SiO₂ preform (OVD/MCVD process)	Optical-grade silica preform sourced from qualified suppliers; traceable material certification provided
Packaging Specification	Wooden drum; 1 km / 2 km / 4 km per reel	Cable wound on standard wooden reels with moisture-proof wrapping for transport and storage
Storage Conditions	Temperature: -20°C to +60°C; Humidity: ≤ 85% RH	Store in dry, ventilated warehouse away from direct sunlight and corrosive substances
Valid Shelf Life	25 years (operational); 2 years (stored on reel)	Designed service life of 25 years when installed; 2-year shelf life for unopened packaged reels
Application Scenarios	Direct burial, underground duct, outdoor trunk lines	Suitable for telecom backbone, FTTH feeder, campus networks, and utility corridor installations
Compliance & Certification	ITU-T G.652D, IEC 60794-1, RoHS, CE, TIA-568	Fully compliant with international fiber cable standards; RoHS-certified for environmental safety
Minimum Order Quantity (MOQ)	10 km	Minimum purchase quantity per order; custom lengths and reel configurations available upon request
Monthly Supply Capacity	500,000 km/month	Large-scale production capacity to support telecom operators, contractors, and infrastructure projects

Underground Outdoor Fiber Cable for Direct Burial

Underground outdoor fiber cable is a cornerstone solution in modern telecommunications infrastructure, engineered specifically for direct burial applications across municipal networks, campus backbones, industrial facilities, and long-haul broadband deployments. As global demand for high-speed, uninterrupted connectivity accelerates, buried fiber optic cable has become the preferred choice for network operators seeking a durable, low-maintenance alternative to aerial or conduit-based installations. Designed to withstand the harshest subterranean environments — including soil pressure, moisture ingress, rodent activity, and extreme temperature fluctuations — direct burial fiber cable delivers reliable gigabit and beyond transmission performance with minimal signal attenuation. Whether deployed in urban smart city grids, rural FTTH rollouts, or critical data center interconnects, this underground optical cable offers the structural integrity and optical precision that large-scale infrastructure projects demand. Its growing adoption across APAC, Europe, and North America underscores its pivotal role in next-generation broadband and 5G backhaul networks.

What is Underground Outdoor Fiber Cable?

Underground outdoor fiber cable, commonly referred to as direct burial fiber optic cable, is a ruggedized optical transmission medium designed for installation directly into the ground without requiring protective conduit. Compliant with ITU-T G.652D, G.657A2, and IEC 60794 standards, it incorporates armored sheathing, water-blocking gel or tape, and UV-resistant polyethylene jackets. Core fiber counts range from 2 to 288 fibers, supporting both single-mode and multimode configurations suited for diverse network topologies.

Underground Outdoor Fiber Cable supplier

Underground Outdoor Fiber Cable Manufacturing and Production Process

Production of direct burial fiber cable takes place in ISO 9001:2015-certified facilities under strict cleanroom conditions. The process begins with precision fiber drawing from ultra-pure silica preforms, followed by secondary coating, SZ stranding, and application of longitudinally applied armor — typically corrugated steel or aluminum tape. Water-blocking flooding compounds are injected throughout the cable core. Final extrusion applies a high-density polyethylene (HDPE) outer jacket, with every reel undergoing OTDR attenuation testing, tensile load verification, and crush resistance validation before shipment.

Underground Outdoor Fiber Cable Technical Specifications

Key parameters for our standard direct burial underground fiber cable include: attenuation ≤0.20 dB/km at 1550 nm (single-mode G.652D), chromatic dispersion ≤18 ps/(nm·km), operating temperature range −40°C to +70°C, minimum bend radius 20× cable diameter, tensile strength up to 2,700 N, crush resistance ≥3,000 N/100 mm, and armor providing protection against rodent penetration per IEC 60794-1-2 Method E11. Available fiber counts: 4F, 6F, 12F, 24F, 48F, 96F, 144F, 288F. Jacket color: black (UV-stabilized HDPE).

Underground Outdoor Fiber Cable manufacturer

Get a Competitive Quote for Underground Outdoor Fiber Cable

Partner with a trusted manufacturer for your underground outdoor fiber cable procurement. We offer flexible MOQ policies, DDP/FOB/CIF shipping terms, and fast lead times of 7–15 business days for standard stock. Full RoHS, REACH, and ITU-T compliance documentation is provided with every order to support your project approvals and audits.

Underground Outdoor Fiber Cable wholesale

24/7 expert optical communication engineer support
Full ITU-T, ISO, RoHS compliance guarantee for all batches
Exclusive wholesale discounts for bulk telecom, FTTH and data center orders
Complete technical data sheets and on-site deployment guidance included

Contact us today to get your free quote and full specification sheet within 24 hours!

Ratings & Reviews

4.5

Based on 8 reviews

5 5

4 2

3 1

2 0

1 0

Arun K.

India

2025-02-01

Initial documentation delay, but resolved and product quality is solid

Placed an order for 96F direct burial cable for a smart city pilot project. The cable itself performed well — attenuation at 0.19 dB/km at 1550 nm and crush resistance tests passed our internal IEC 60794 verification. However, the IEC compliance certificates were missing from the initial shipment, which delayed our project approval by four days. After escalating to the account team, the documents were emailed within 6 hours and courier-sent the following day. Issue was handled professionally once raised. Subsequent reorder went smoothly with all documentation pre-included. Quality of the product itself is not in question.

Oliver H.

United Kingdom

2025-02-22

Solid technical specs, competitive on price for mid-volume orders

Ordered 6F and 12F armored direct burial cables for a series of rural last-mile installations across Scotland. Bend radius compliance at 20× cable diameter was confirmed during our installation team's on-site checks — no signal degradation through tight trench bends. Tensile strength held well during horizontal directional drilling pulls. Pricing was reasonable for our 50-reel order volume, though bulk discount thresholds could be more flexible for mid-tier contractors. Technical spec sheets were accurate and saved time during our engineer sign-off process. Delivery in 14 days as quoted.

Rachel M.

Australia

2025-03-16

Good value on 48F reels, slight packaging improvement needed

Procured 48F G.652D direct burial cable for a regional ISP rollout in Queensland. Optical performance met spec — chromatic dispersion measured at 16.8 ps/(nm·km), well within the ≤18 ps/(nm·km) limit. Pricing on a 200-reel order was notably competitive compared to local distributors. Minor point: two reels arrived with slightly loose drum flanges, though the cable itself was undamaged. Raised it with the team and they offered replacement flanges promptly. Would have been 5 stars with tighter export packaging. Will reorder for the next project phase.

Know your supplier

Anxun optical fiber Co., Ltd.

7 yrs on Sinoali.com

Located in China

Company information More goods

FAQ

Q: What types of outdoor fiber optic cables do you supply?

A:We supply aerial, direct buried, duct, armored, non-armored and ADSS all-dielectric outdoor fiber cables.

Q: What is the difference between armored and non-armored outdoor fiber cable?

Q: Can your outdoor fiber cables be used directly buried underground?

Q: What fiber types are available for outdoor cables?

Q: What is the operating temperature range of outdoor fiber cable?

Q: Do your outdoor fiber cables have waterproof performance?

Product display

Anxun Optical Fiber Co., Ltd. is a technology-driven enterprise specializing in the research, development, and manufacturing of high-quality optical fiber products and communication solutions. With a strong focus on innovation and precision engineering, the company provides a wide range of products, including fiber optic cables, connectivity components, and customized network solutions for telecommunications, data centers, and industrial applications.

Committed to international standards and strict quality control, Anxun ensures reliable performance and long-term durability in all its products. The company continuously invests in advanced production equipment and technical expertise to meet the evolving demands of global communication infrastructure. Guided by a customer-centric approach, Anxun Optical Fiber Co., Ltd. strives to deliver efficient, cost-effective, and sustainable solutions, building long-term partnerships with clients worldwide.