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3.0mm ST/UPC-ST/UPC Simplex 9/125um G657A1 LSZH Jacket Tight-Buffered Fiber Patch Cable

3.0mm ST/UPC-ST/UPC Simplex 9/125um G657A1 LSZH Jacket Tight-Buffered Fiber Patch Cable

Product Features

• High precision connector.

• Ultra low insertion loss and high return loss.

• Compliant to IEC 61754 / IEC-61300-3-35 / IEC 61755, RoHS.

• 100% factory terminated and tested.

• Customize based on your specifications.

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Specifications:

Connector AST/UPCConnector BST/UPC
Fiber Mode9/125 μmWavelength1310/1550nm
Fiber TypeOS2 CompliantCable Jacket MaterialLSZH
Polish TypeUPCPolarityA-B
Fiber Count1 FiberCable OD3.0mm
Insertion Loss≤0.3dBReturn Loss≥50dB
Attenuation@1310nm0.40dB/kmAttenuation@1550nm0.30dB/km
Operating Temperature -10℃ ~ +60℃Storage Temperature -40℃ ~ + 75℃
Long-term Tensile Load90NShort-term Tensile Load150N



Product Description:

The ST simplex fiber patch cord is a rugged and reliable connectivity solution designed for applications requiring secure, quick-connect terminations in enterprise, industrial, and telecommunications environments. Featuring the industry-standard ST (Straight Tip) connector with a bayonet-style locking mechanism, combined with a high-performance single-mode fiber, this patch cord delivers stable, low-loss transmission over long distances, making it the ideal choice for campus networks, backbone cabling, and industrial control systems.
The ST connector is renowned for its rugged construction and intuitive bayonet coupling mechanism. The spring-loaded ferrule ensures optimal physical contact at the mating interface, while the twist-lock bayonet provides a secure, vibration-resistant connection that can be quickly engaged or disengaged without tools. Each connector features a precision zirconia ceramic ferrule, precision-polished to ensure ultra-low insertion loss and high return loss, with UPC (Ultra Physical Contact) polish as standard for single-mode applications requiring excellent back reflection performance.
Engineered specifically for single-mode applications, this patch cord utilizes 9/125µm glass fiber designed for transmission over extended distances with minimal signal attenuation. The 2.0mm or 3.0mm simplex cable construction (specify as required) provides the perfect balance of durability and flexibility, with Kevlar strength members ensuring high tensile strength for pull-through installations and long-term reliability in demanding environments

Key Application Scenarios

-Local Area Networks (LANs) and Campus Backbones
ST connectors remain widely deployed in enterprise LAN environments, particularly in older installations and campus backbone connections where multimode fiber was traditionally used. This single-mode version provides extended reach for inter-building connectivity.

-Industrial Control and Automation
In manufacturing plants, process control systems, and utility substations, the ST connector's robust bayonet locking mechanism ensures connections remain secure despite vibration from heavy machinery and industrial equipment.

-Telecommunications and Central Offices
For patch panels and distribution frames in telecom central offices, ST connectors provide reliable terminations for single-mode trunk cables connecting to transmission equipment.

-Military and Field Deployable Communications
The rugged construction of the ST connector makes it suitable for tactical military communication systems and field-deployable networks where connections must withstand rough handling and environmental exposure.

-Test and Measurement Environments
Many optical test instruments feature ST ports. This patch cord provides a durable, reliable connection for OTDR testing, power measurement, and network troubleshooting in field and lab environments.

-Security and Surveillance Systems
For fiber optic security camera networks requiring long-distance transmission between buildings or across campuses, ST single-mode patch cords provide stable, secure connections at head-end equipment and field termination points.

-Broadcast and Production Facilities
In broadcast environments where equipment is frequently reconfigured, the quick-connect bayonet mechanism allows for rapid patching changes while maintaining secure, reliable connections.

-Legacy System Maintenance and Upgrades
Many existing fiber installations utilize ST connectors. This patch cord provides a reliable solution for maintaining, expanding, or upgrading legacy systems without requiring connector conversion.

The ST Simplex Single-mode Fiber Optic Patch Cord combines time-tested connector reliability with modern single-mode optical performance, delivering a durable, high-quality solution for a wide range of voice, video, and data transmission applications.

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