SC UPC SM Fiber Optic Pigtail for Terminals
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SC UPC SM Fiber Optic Pigtail for Terminals

The SC UPC SM Fiber Optic Pigtail for Terminals stands as a precision-engineered connectivity solution designed specifically for reliable optical signal termination in terminal equipment and distribution systems. This single-mode pigtail features a SC UPC connector terminated on one end with a length of unconnectorized fiber on the other, providing a critical link between fiber optic cables and terminal devices in telecommunications and data networks.

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Product Overview


Constructed with high-quality G.652D single-mode fiber, this pigtail delivers consistent performance across the 1310nm and 1550nm wavelength windows, making it compatible with most single-mode network equipment including optical network terminals (ONTs), switches, and transceivers. The ultra-physical contact (UPC) polishing on the SC connector ensures excellent return loss characteristics, ideal for digital data transmission applications where back reflection control is important but less critical than in analog systems .


The pigtail features a 900μm LSZH buffer jacket for enhanced handling and safety, with a 2mm outer jacket option available for added durability in harsh environments. Each unit undergoes rigorous testing to ensure compliance with Telcordia GR-326 standards, guaranteeing reliable performance in terminal connection applications .


Product Features


Optimal Optical Performance

Low Insertion Loss ≤0.3dB at 1310nm and 1550nm, minimizing signal attenuation in terminal connections .

High Return Loss ≥50dB due to UPC polishing, reducing back reflections in digital transmission systems .

Wide Operating Wavelength Range: 1250nm to 1620nm, compatible with all standard single-mode applications .


Terminal-Specific Design

Precision SC UPC Connector with zirconia ceramic ferrule ensuring consistent mating performance .

900μm LSZH Buffer Jacket for easy stripping and termination while meeting fire safety standards .

Smooth Fiber Transition between buffer jacket and connector to prevent microbends and signal loss .


Environmental and Mechanical Reliability

Operating Temperature Range: -40°C to +85°C, suitable for indoor terminal environments .

RoHS 2 Compliant Materials meeting international environmental standards .

Mating Durability: >500 mating cycles with insertion loss variation <0.2dB .


Applications


ONT Terminal Connections

Primary connectivity solution between fiber distribution cables and optical network terminals in FTTH residential installations. Ensures reliable broadband service delivery to end-users.


Data Center Terminal Equipment

Used to connect patch panels to switches, routers, and servers in data center environments. The LSZH jacket meets fire safety requirements for enclosed data center spaces.


Telecom Terminal Cabinets

Facilitates connections in central office terminal frames, linking backbone fibers to access equipment. Supports high-density termination in limited space.


Enterprise Network Terminals

Ideal for connecting fiber backbones to network interface devices in corporate environments. Supports high-bandwidth applications including video conferencing and cloud services.


Test and Measurement Equipment

Provides reliable connections between test instruments and device under test (DUT) in laboratory environments, ensuring accurate measurement results.


FAQ


What is the difference between UPC and APC polishing?

UPC (Ultra Physical Contact) connectors feature a 0.25μm polished endface with return loss ≥50dB, ideal for digital data applications. APC (Angled Physical Contact) connectors have an 8° angled endface with return loss ≥60dB, better for analog systems like CATV. Never mix UPC and APC connectors as this causes misalignment and potential damage .


Why is G.652D fiber used for terminal pigtails?

G.652D fiber offers excellent signal transmission characteristics across both 1310nm and 1550nm wavelengths, with low dispersion and attenuation. It provides a cost-effective solution for terminal connections while maintaining compatibility with existing infrastructure and future upgrades .


What length is recommended for terminal connections?

Standard lengths of 1m and 2m are most common for terminal connections, providing sufficient slack for proper cable management without excessive coiling. Longer lengths (3-5m) are available for connections requiring more flexibility in routing between terminal equipment.


How should this pigtail be terminated to fiber cables?

Termination requires fusion splicing between the pigtail's unconnectorized fiber and the distribution cable. Use a high-precision fusion splicer with single-mode program to achieve splice loss <0.1dB. Properly protect splices with heat-shrink sleeves and secure in splice trays.


Is this pigtail compatible with outdoor terminal boxes?

While the pigtail itself operates in outdoor temperature ranges, the standard version features a non-armored LSZH jacket designed for indoor use. For outdoor terminal boxes, specify the armored version with water-resistant jacket and strain relief for added protection against moisture and physical damage.


SC UPC SM Fiber Optic Pigtail for Terminals SC UPC SM Fiber Optic Pigtail for Terminals SC UPC SM Fiber Optic Pigtail for Terminals


Fiber Type

SM

MM
Optical Cable Type G652D   G657AI  G657A2 G652D   G657AI  G657A2
Connector Type FC、SC、LC、ST FC、SC、LC、ST
Lnsertion Loss ≤0.3db
≤0.4db
Return Looss PC≥50db APC≥60db UPC≥55db ≥35db
Mating Durability ≥1000times
Operating Temperature -40℃ ~ +85℃
Tensile Strength 70N


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