

SCFiber Optic Loopback Module — UPC & APC, Single Mode & Multimode
SC fiber optic loopback module for network testing and diagnostics. Available in UPC and APC polish types, supporting single mode and multimode fiber. Precision ceramic ferrule and compact molded housing for reliable loopback testing of switches, media converters, and optical network equipment.
Technical Specifications
Engineered For Performance
Dual Polish Options
Available in UPC (≥50dB return loss) and APC (≥60dB return loss) polish types, accommodating both standard data networking and analog/CATV loopback testing requirements.
Precision Ceramic Ferrule
2.5mm zirconia ceramic ferrule provides precise fiber core alignment for consistent, low-loss loopback measurements across repeated insertions.
Rugged Molded Construction
Fully molded connector housing protects the internal fiber loop from mechanical stress, making the module suitable for field deployment and repeated handling.
Broad Protocol Support
Compatible with Fast Ethernet, Gigabit Ethernet, Fiber Channel, ATM, and GPON equipment testing across a wide range of network protocols and data rates.
Typical Applications
FTTH Equipment Verification
Test OLT and ONU SC ports in GPON and XGS-PON deployments to confirm transceiver performance before subscriber line activation.
Premise Network Diagnostics
Troubleshoot fiber links in enterprise and campus networks by performing port-by-port loopback checks on SC-equipped switches and patch panels.
Manufacturing Quality Control
Validate SC transceiver modules and optical equipment during production line testing and final quality assurance inspection.
Interested in this SC Loopback?
Tell us your quantity, cable length, and any custom requirements. Our engineering team will respond with a detailed quote within 24 hours.

Why TTI Fiber
Trusted Manufacturer Since 2013
TTI Fiber is a professional fiber optic manufacturer based in Shenzhen, China. We provide full OEM/ODM services with factory-direct pricing and dedicated engineering support.


