OM4 Multimode High Tension Aluminum Tape Armored Figure 8 Fiber Optic Cable Self-supporting Aerial Fiber Optic Cable GYTC8A

The OM4 Self-supporting Figure 8 High Tension Aerial Optical Fiber Cable GYTC8A is a high-performance outdoor aerial multimode cable that combines OM4 ultra-high-bandwidth 50/125μm laser-optimized multimode fiber with the high-tensile integrated figure-8 self-supporting structure of the GYTC8A design.

It is engineered for outdoor 40G/100G short-to-medium distance high-speed interconnection scenarios that demand both extreme mechanical reliability and ultra-high transmission bandwidth.

The cable complies with industry standards YD/T 1155-2 and IEC 60794-1, and is widely deployed in last-mile access, metropolitan area network aerial lines, and similar applications.

Its integrated figure-8 cross-section unites the optical transmission unit and the high-tensile galvanized steel messenger within one continuous PE outer sheath, making it a cost-efficient, high-reliability workhorse for global telecom aerial network construction.

• G — Outdoor communication optical cable
• Y — Stranded PBT loose tubes, gel-filled
• T — Self-supporting
• 8 — Figure-8 cross-section
• A — APL (aluminum-polyethylene laminate) moisture barrier

1. Optical fiber core: Uses standard 50/125μm OM4 laser-optimized multimode fibers that fully comply with ISO/IEC 11801 and TIA-492AAAD international standards. The core refractive index profile is precisely etched to minimize modal dispersion, ensuring stable high-bandwidth performance under 850nm VCSEL light sources.
2. Loose tube: 250μm coated OM4 fibers are placed in a hydrolysis-resistant high-modulus PBT loose tube, which is fully filled with special water-blocking ointment to provide stable mechanical buffering and moisture isolation for the optical fiber.
3. Cable core & strength member: A high-strength galvanized steel wire acts as the central metal strength member. The loose tubes and matching filling ropes are stranded around the strength member to form a compact round cable core, with all internal gaps fully filled with water-blocking materials to achieve full-section water blocking.
4. APL armored: The cable core is longitudinally wrapped with a double-sided aluminum-polyethylene laminate (APL), which significantly improves lateral pressure resistance, rodent bite resistance and moisture sealing performance, and effectively blocks the erosion of external moisture and corrosive media.
5. Integrated 8-figure high-tension sheath: The APL armored cable core and the upper high-strength stranded steel messenger wire are simultaneously extruded and wrapped in a UV-resistant HDPE outer sheath, forming a complete integrated "8" shape. The independent messenger wire unit bears all the aerial suspension tension, and the fiber core unit is completely isolated from external wind sway stress.

• Ultra-high tensile self-supporting structure: No additional steel strand messenger wire is required during aerial laying, which directly reduces construction difficulty and installation cost. The high-tension messenger wire can adapt to long-span aerial deployment over 100 meters between utility poles.
• OM4 ultra-high bandwidth performance: The precision-optimized core design far exceeds the bandwidth limit of OM3, stably supporting 10G transmission over 550 meters and 40G/100G transmission over 150 meters, fully compatible with low-cost 850nm VCSEL optical modules.
• Harsh outdoor environment adaptability: The UV-stabilized HDPE outer sheath resists long-term sun exposure and rain erosion, while the APL armored layer provides excellent lateral pressure resistance and salt spray corrosion resistance, adapting to humid coastal areas and suburban wild deployment scenarios.
• Full-section water-blocking protection: Multi-layer protection including loose tube ointment, full cable core filling, and APL longitudinal wrapping completely blocks moisture penetration, ensuring that transmission performance remains stable for a long time under extreme temperature changes and long-term aerial wind sway.

• High-speed data center park interconnection: Aerial 40G/100G high-speed links between different buildings in the park, with no need for buried pipeline construction, quickly meeting the low-latency interconnection requirements of high-density server clusters.
• Industrial park 10G/40G backbone network: Aerial deployment of high-speed backbone links in smart manufacturing parks and large logistics parks, supporting high-bandwidth services such as industrial control data backhaul and 4K video surveillance networking.
• Campus and scientific research institute high-speed network: Aerial laying of 10G/40G optical links in university campuses and scientific research bases, making full use of existing overhead pole line resources to quickly complete high-speed network transformation.
• Large-scale event temporary high-speed network: Quickly erect 40G high-speed optical lines for large exhibitions, international conferences and sports events, with no need for complex fixed facilities, and quick dismantling and reuse after the event.
• Smart city outdoor high-speed sensing network: Aerial connection of distributed 8K high-definition cameras, 5G small base stations and edge computing nodes, supporting stable ultra-high-bandwidth data backhaul.

We offer full OEM and ODM services. If you would like to display your own brand logo on the goods — such as on the cable, package bag, label, or anywhere else — we can accommodate your requirements. Our OEM and ODM service is always ready to assist.

According to standard export packing:

• Carton box
• Wooden box
• Wooden pallet

• International express such as UPS, TNT, DHL, etc.
• International air: CA, AA, EA, etc.
• By sea