3m (3ft) Fiber Patch Cable, 2 Fibers, LC UPC Duplex to ST UPC Duplex, Single Mode (OS2), Riser (OFNR), 2.0mm, Tight-Buffered, Yellow

LC/UPC-ST/UPC SM 9/125 G652D DX 3.0mm LSZH Yellow 3M

A fiber optical patch cord acts as the essential interconnect for routing signals from network devices to fiber optic cabling infrastructure. Equipped with a heavy-duty protective jacket, it is primarily used for connections between optical transceivers and termination boxes, powering applications such as fiber optic communication systems, fiber-to-the-premises (FTTP) networks, high-bandwidth data transmission, and enterprise LAN environments.

Product Highlights
*G.657.A1 Bend-Insensitive Fiber Offers 10mm Minimum Bend Radius
*Precision Zirconia Ferrule Connectors Ensure Stable Low-Loss Performance
*Riser (OFNR) Rated Jacket Suitable for Vertical and Floor-to-Floor Installations
*Color-Coded Cable Jacket for Fast, Accurate System Identification
*Zipcord-Reinforced Fiber Minimizes Crimping and Mechanical Stress

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Fiber Patch Cable, LC UPC to ST UPC, Duplex, 2F, OS2, Riser (OFNR), 3.0mm

OS2 duplex LC to ST patch cord is specifically designed for network modernization projects where legacy ST-port equipment must coexist with modern LC infrastructure. This OS2 duplex LC to ST solution enables seamless integration without replacing functional legacy hardware. For cost-effective migration paths, OS2 duplex LC to ST supports 1000BASE-LX and 10GBASE-LR standards for reliable single-mode transmission. When deploying OS2 duplex LC to ST in hybrid environments, you get consistent long-haul performance. Choose OS2 duplex LC to ST for campus backbone upgrades, government facility refreshes, and data center migrations requiring legacy compatibility.

Find out more about fiber connector types in our guide.

Specifications

Product Name	Fiber Optical Patch Cord	Brand	Firstoptic
Connector A	LC UPC Duplex	Connector B	ST UPC Duplex
Fiber Count	2 Fibers	Fiber Grade	G.657.A1 (Compatible with G.652.D)
Fiber Mode	OS2 9/125μm	Wavelength	1310/1550nm
Polarity	A (Tx) to B (Rx)	Cable Type	Tight-Buffered
Cable Outside Diameter (OD)	3.0mm	Cable Jacket	Riser (OFNR)
Min. Bend Radius (Optical Fiber)	10mm	Min. Bend Radius (Fiber Cable)	10/5D (Dynamic/Static)
Connector Durability	1000 times	Tensile Strength (Long/Short Term)	90/150N
Insertion Loss	≤0.3dB	Return Loss	≥50dB
Attenuation at 850 nm	0.36dB/km	Attenuation at 1300 nm	0.22dB/km
Operating Temperature	-20 to 70°C (-4 to 158℉)	Storage Temperature	-40 to 80°C (-40 to 176℉)

we offer high quality gigabit lc duplex single mode fiber that can provide customers with fast and reliable network transmission services.

The OS2 duplex LC to ST single-mode patch cord features a hybrid LC/ST duplex interface, distinguished by the following core characteristics:

1.Compact Design: Only half the size of SC connectors, it fits high-density optical modules and fiber distribution frames, saving valuable equipment room space. A key edge of os2 duplex lc to st single mode patch cord.

2.Easy Plug-and-Play: Snap-lock design requires minimal insertion/removal force, preventing ceramic ferrule damage and enabling fast deployment & maintenance. A top pick for os2 duplex lc to st single mode patch cord users.

3.Low Insertion Loss: With precision ceramic ferrules and ultra-pure OS2 fiber, it ensures ≤0.3dB insertion loss and ≥40dB return loss, maintaining signal integrity across extended 10G/40G/100G links as a reliable foundation for OS2 duplex LC to ST single-mode connectivity.

4.Clear Duplex Marking: Clearly labeled "TX" (Transmit) and "RX" (Receive) match optical module ports, avoiding reverse-connection failures and boosting os2 duplex lc to st single mode patch cord reliability

1.Hybrid Interface for Flexible Adaptation

One end: LC Duplex connector – Compact, high-density design ideal for modern switches, routers, and transceivers.
One end: ST Duplex connector – Features a robust bayonet-style coupling mechanism for secure, twist-lock connections, commonly used in legacy networking equipment and industrial environments.
Key Feature: Enables seamless integration between modern high-density LC-based infrastructure and legacy ST-based systems, providing reliable physical conversion without signal degradation.

2. Typical Application Scenarios

Legacy Network Integration: Connects modern LC-port switches and routers to older ST-interface equipment such as legacy switches, media converters, and industrial control systems.
Campus & Industrial Backbones: Used in environments where existing ST-based fiber plant needs to interface with modern LC-based active equipment, particularly in manufacturing facilities and older campus networks.
Network Phased Migration: Serves as a critical transitional solution during infrastructure upgrades, allowing gradual replacement of ST-based systems while maintaining operational continuity.

Build a Stable and Robust Optical Fiber Network

High quality tightly buffered cables protect the fiber core and increase the strength and durability of the fiber.

Low insertion loss

high plug‑cycle durability; stable performance (<0.2 dB variation); seamless fiber alignment for reliable interchangeability.

Color-Coded Cable Sheathing for Easy Identification

The sheath color of fiber optical patch cord is usually defined by the fiber type and may vary depending on the mode and performance level.

Standardized Production

Multiple processes, strict screening, quality assurance.

Fine grinding
To ensure that the center of the optical fiber grinding offset, the surface of the optical fiber without defects, the size of the end curvature radius and other technologies meet the standard

Insertion/return loss detection
Insertion loss ≤0.3dB, return loss ≥30dB

End detection
End geometry test to ensure that the end curvature radius vertex offset, fiber height meets the standard

Meet the Various Installation Requirements

os2 fiber patch cords are used in optical fiber communication room, local area network (LAN), optical fiber data transmission, optical fiber into the home, and so on.

we offer high quality gigabit lc duplex single mode fiber that can provide customers with fast and reliable network transmission services.

Optical fiber communication room Local area network (LAN)

we offer high quality gigabit lc duplex single mode fiber that can provide customers with fast and reliable network transmission services.

Optical fiber data transmission Fiber to the home (FTTH)

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