FC connectors are specifically designed for telecommunications applications and provide non-optical disconnect performance. Designed with threaded coupling for a durable connection.
Features – Low insertion loss -Corrosion resistant body -Precision mechanical dimension -Meets Telecordia-GR-326-CORE specifications Ultra low back reflection -One Piece with pre-domed ceramic ferrule is designed for easy assembly -Fixed key and activity key can be selected -For 900um buffer ROHS compliant
Applications -Telecommunication -LAN & WAN -Broadband CATV -Network FTTX.
A: FC connectors are specifically designed for telecommunications applications, featuring threaded coupling to provide a durable connection and non-optical disconnect performance.
Q: What are the main features of this FC/UPC Epoxy Connector?
A: Key features include low insertion loss, a corrosion-resistant body, precision mechanical dimensions, fixed or activity key options, and a one-piece pre-domed ceramic ferrule design for easy assembly.
Q: What are the insertion loss and return loss specifications?
A: This connector offers a low insertion loss of 0.20dB and a return loss greater than 55dB (UPC).
Q: What buffer size and boot size does this connector support?
A: It is designed for a 900um buffer cable and comes equipped with a 0.9mm boot.
Q: What applications is this FC/UPC connector suitable for?
A: It is suitable for telecommunications networks, LAN & WAN systems, broadband CATV, and FTTX deployments.
Q: Which industry compliance standards does this connector meet?
A: It meets Telecordia-GR-326-CORE specifications for ultra-low back reflection and is fully RoHS compliant.
Terminating 900μm tight buffer fibers in high-density telecommunication frames requires connectors with total mechanical coupling stability. These FC/UPC epoxy connectors feature a threaded-coupling mechanism that provides a durable connection and reliable non-optical disconnect performance. The one-piece housing with a pre-domed ceramic ferrule significantly streamlined our field epoxy injection and polishing procedure, ensuring precise mechanical dimensions. During post-assembly OTDR testing across short and long-distance links, optical performance was stellar—delivering a low insertion loss of 0.20dB and an ultra-low back reflection with a UPC return loss exceeding >55dB. Full compliance with Telecordia-GR-326-CORE and ROHS standards makes them an outstanding choice for telecom-grade infrastructure
Sylvie Bernard
January 29, 2026
Deploying FC Simplex terminations across enterprise LAN & WAN environments and FTTX drop cabinets demands hardware that withstands physical exposure. The corrosion-resistant body of these FC/UPC connectors holds up remarkably well against environmental degradation inside unconditioned cabinets. Engineered specifically for 900μm buffer fibers, the compact 0.9mm boot offers effective strain relief without crowding high-density ODF trays. Having selectable fixed key and activity key options gave our engineering team great flexibility during frame integration to ensure exact keyway alignment. Across our power meter audits, insertion loss remained rock-solid at 0.20dB while return loss consistently exceeded >55dB.
Klaus Hoffmann
October 08, 2025
When upgrading optical distribution panels for broadband CATV and core telecommunication networks, ferrule quality directly impacts system margins. These FC/UPC epoxy connectors feature a precision pre-domed ceramic ferrule that simplifies hand-polishing and yields a clean UPC end-face finish. The threaded coupling mechanism prevents accidental disconnections in busy patch closets, maintaining complete physical stability under heavy cable strain. Quality assurance audits verified that every unit met the rated 0.20dB insertion loss benchmark alongside ultra-low back reflection. It is a versatile, highly reliable, and cost-effective FC connector solution for enterprise-scale fiber deployments.
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