GYXTW Central Loose Tube Outdoor Fiber Optic Cable

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In modern telecommunication networks, smart city projects, and broadband campus expansions, outdoor deployment environments demand absolute mechanical protection and moisture resilience. The GYXTW fiber optic cable by JUNPU is an industry-standard, lightweight, central loose tube outdoor communication cable engineered for aerial, duct, and underground conduit installations.

Designed specifically to maintain signal integrity over varying climate fluctuations, this heavy-duty gyxtw fiber line combines compact structural design with reliable tensile performance to deliver maximum data throughput.

Advanced Armor & Strength Members

To withstand external crushing forces and lateral stress during pulling, the loose tube is wrapped longitudinally with a layer of corrugated steel tape (PSP). This metallic armor is bonded to the outer high-density polyethylene (HDPE) jacket. Paralleled within this jacket structure are two parallel steel wires (0.8 mm ~ 1.0mm), serving as the heavy-duty strength members to ensure excellent tensile strength and crush resistance.

GYXTW 12 Core: Optimized for localized распределение (distribution) loops, security camera backhauls, and corporate enterprise connections.

GYXTW-24F (24 Core): Designed for high-density telecom trunks, metropolitan area networks (MANs), and industrial FTTH distribution nodes.

Types of GYXTW

GYXTW-24F

GYXTW 12 core

Fiber Core Options and International Color-Coding Standards

When sourcing the GYXTW fiber optic cable, selecting the correct fiber mode and understanding the internal structure is vital for seamless splicing. JUNPU provides custom configurations tailored to international telecommunication standards:

Fiber Modes: Available in Singlemode (G.652D, G.657A) for ultra-long-distance, low-attenuation transmission, and Multimode (OM1, OM2, OM3, OM4) for high-bandwidth, short-range campus localized networks.

Standardized Identification: To simplify fiber management during heavy-duty outdoor splicing, the fibers inside our central loose tube utilize the standard TIA/EIA-598 color-coding scheme. For a standard GYXTW 12 core cable, the individual fibers are easily identifiable via 12 distinct, vibrant colors (Blue, Orange, Green, Brown, Slate, White, Red, Black, Yellow, Violet, Rose, Aqua). This strict manufacturing profile eliminates manual positioning errors at the splice tray.

Strict Quality Control and Mechanical Reliability Testing

As a leading gyxtw fiber cable factory, every drum of JUNPU cable undergoes rigorous, ISO-certified mechanical and environmental laboratory testing before leaving our facility to ensure zero-defect deployment in smart city networks:

Tensile Strength Test: Validates that the parallel steel wires maintain standard optical transmission under a maximum short-term pulling force of 1500 N.

Crush Resistance Test: Ensures the corrugated steel tape successfully deflects up to 3000N/100mm of lateral force without rupturing the inner PBT tube.

Water Penetration Evaluation: A 3-meter cable sample is subjected to a 1-meter water column for 24 hours to verify that the internal gel and water-blocking layers completely halt moisture migration.

Temperature Cycling Test: Ensures zero attenuation fluctuations within our standard operating window of -40℃ to +70℃.

Technical FAQ: Outdoor Fiber Cable Architecture and Selection

What are the primary structural advantages of the GYXTW fiber optic cable?

The GYXTW design is highly favored for its exceptional balance between a slim outer diameter and high crush resistance. By grouping essential components of optical fiber networks into a singular central loose tube rather than a stranded multi-tube layout, the total cable size and weight are drastically reduced. The corrugated steel tape armor provides an active rodent barrier and moisture shield, while the double parallel steel wires deliver the rigid tensile support required for long-span aerial or duct pulling.

What is the main difference between indoor and outdoor fiber optic cable options?

The essential difference between indoor and outdoor fiber optic cable units lies in their environmental armoring and jacket ratings. Indoor cables utilize flexible tight-buffered fibers with aramid yarn strength members and flame-retardant (LSZH) jackets optimized for tight bends and safety regulations. Outdoor cables like GYXTW prioritize water-blocking gels, corrugated steel tape, and UV-resistant HDPE jackets to endure moisture infiltration, extreme temperature cycling, freezing water expansion, and mechanical stresses found in outdoor deployments.

Can GYXTW cable be directly buried underground?

GYXTW is primarily optimized for duct (conduit) installations or aerial lashing. While it features robust steel armor and parallel steel wires, direct burial applications typically require heavier double-jacket, double-armored stranded cables to protect against severe direct soil shifting. For standard underground routes using a high-density outdoor optical distribution box, however, GYXTW remains the most cost-efficient, lightweight choice to protect core optical cable components.

What other optoelectronic infrastructure hardware is paired with GYXTW during deployment?

In a standard outdoor distribution solution, the GYXTW trunk line must terminate into a protective hub to interface with other critical components of optical fiber communication system designs. Engineers route the cable directly into an IP68-rated splice unit to partition individual strands. From there, the split optical paths are regulated using a central 1550nm optical transmitter and amplified by high-power EDFA units before terminating at an endpoint residential optical node or a passive optical receiver. To request a custom core count, bulk factory pricing, or specific compliance certificates, please contact JUNPU’s technical sales department today.

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