Connecting multiple SC Multimode Fiber Pigtails together is a common requirement in various fiber - optic network setups. As a supplier of SC Multimode Fiber Pigtail, I've encountered numerous customers who are interested in understanding the proper methods for this connection. In this blog, I'll share some professional insights and practical steps on how to achieve this effectively.
Understanding SC Multimode Fiber Pigtails
Before delving into the connection process, it's essential to have a basic understanding of SC Multimode Fiber Pigtails. These pigtails are designed with a Standard Connector (SC) interface, which is a push - pull type connector known for its high - precision alignment and low insertion loss. Multimode fiber, on the other hand, is capable of carrying multiple light rays or modes simultaneously, making it suitable for short - distance communication such as local area networks (LANs) and data centers.
Tools and Materials Needed
To connect multiple SC Multimode Fiber Pigtails, you'll need the following tools and materials:
- Fiber Optic Cleaver: This tool is used to make a clean, perpendicular cut at the end of the fiber, which is crucial for low - loss connections.
- Fiber Optic Fusion Splicer: For permanent connections, a fusion splicer is used to melt the ends of two fibers together.
- Mechanical Splice Kit: An alternative to fusion splicing, mechanical splicing uses a mechanical device to align and hold the fibers in place.
- Fiber Optic Cleaning Kit: This includes lint - free wipes, cleaning solutions, and cleaning tools to ensure the connectors are free from dust, dirt, and contaminants.
- SC Couplers: These are used to connect two SC - terminated fibers together.
- Cable Ties and Mounting Hardware: To organize and secure the fibers after connection.
Methods of Connecting SC Multimode Fiber Pigtails
Fusion Splicing
Fusion splicing is the most reliable method for connecting fiber pigtails as it provides the lowest insertion loss and highest mechanical strength. Here are the steps:
- Prepare the Fibers: Use the fiber optic cleaning kit to clean the ends of the pigtails. Then, use the fiber optic cleaver to make a clean cut at the end of each fiber. The cleave length should be appropriate for the fusion splicer being used.
- Set up the Fusion Splicer: Turn on the fusion splicer and select the appropriate settings for multimode fiber. Insert the cleaved ends of the fibers into the fusion splicer's fiber holders, making sure they are properly aligned.
- Fusion Splice the Fibers: The fusion splicer will automatically align the fibers and then use an electric arc to melt the ends together. Once the splicing is complete, the splicer will display the splice loss value. If the loss is within the acceptable range, proceed to the next step.
- Protect the Splice: After splicing, use a splice protector or heat - shrink tube to protect the spliced area from mechanical stress and environmental factors.
Mechanical Splicing
Mechanical splicing is a quicker and more cost - effective alternative to fusion splicing, but it generally has higher insertion loss. Here's how to do it:
- Prepare the Fibers: Similar to fusion splicing, clean and cleave the ends of the pigtails.
- Insert the Fibers into the Mechanical Splicer: Open the mechanical splice kit and insert the cleaved ends of the fibers into the alignment grooves. Make sure the fibers are properly seated and aligned.
- Secure the Splice: Use the provided fasteners or adhesives to secure the fibers in the mechanical splice. Check the insertion loss using an optical time - domain reflectometer (OTDR) or a power meter.
Using SC Couplers
SC couplers are used for non - permanent connections, such as in patch panels or when you need to easily disconnect the fibers. Here's how to use them:
- Clean the Connectors: Use the fiber optic cleaning kit to clean the SC connectors on the pigtails.
- Insert the Connectors into the Coupler: Align the SC connectors and insert them into opposite ends of the SC coupler. Push the connectors in until they click into place, indicating a proper connection.
Testing the Connection
After connecting the SC Multimode Fiber Pigtails, it's important to test the connection to ensure its quality. You can use the following tools for testing:
- Optical Power Meter: This tool measures the optical power at the end of the fiber. Compare the measured power with the expected power to determine the insertion loss.
- Optical Time - Domain Reflectometer (OTDR): An OTDR can provide detailed information about the fiber's length, attenuation, and splice loss along the entire length of the fiber.
Considerations for Multiple Connections
When connecting multiple SC Multimode Fiber Pigtails, there are several considerations to keep in mind:
- Fiber Length and Bend Radius: Make sure the fiber length is sufficient for the intended application and that the bend radius is within the manufacturer's specifications. Excessive bending can cause signal loss and damage to the fiber.
- Environmental Factors: Protect the connections from moisture, dust, and extreme temperatures. Use appropriate enclosures and cable management systems to ensure the long - term reliability of the connections.
- Labeling and Documentation: Label each pigtail and connection point clearly for easy identification and maintenance. Keep a detailed record of the connection layout, splice locations, and test results.
Other Related Fiber Pigtails
In addition to SC Multimode Fiber Pigtails, we also offer LC Singldemode Fiber Pigtail and LC Multimode Fiber Pigtail. These pigtails are suitable for different applications and network requirements. If you have specific needs for single - mode or LC - terminated fiber pigtails, feel free to explore our product range.


Conclusion
Connecting multiple SC Multimode Fiber Pigtails requires proper tools, techniques, and testing to ensure a reliable and low - loss connection. Whether you choose fusion splicing, mechanical splicing, or using SC couplers, following the correct procedures is essential. As a professional supplier of fiber pigtails, we are committed to providing high - quality products and technical support. If you have any questions about connecting fiber pigtails or are interested in purchasing our products, please don't hesitate to contact us for further discussion and procurement negotiation.
References
- "Fiber Optic Splicing Handbook" by the Fiber Optic Association
- "Optical Fiber Communications" by Gerd Keiser
