SC/UPC Duplex Single Mode Fiber Loopback Cable OS2 9/125μm
The SC/UPC OS2 single mode fiber loopback cable provides reliable testing and diagnostics for optical networks using 9/125μm fiber.
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Description
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Specification
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Features
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Application
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Custom Service
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FAQ
The SC/UPC Single Mode Fiber Loopback Cable is designed for optical network testing, equipment validation, and fault diagnostics by looping transmitted signals back into the receiving channel. It provides a simple and reliable method to verify optical port performance and link integrity in single mode fiber systems.
Built with OS2 9/125μm bend-insensitive single mode fiber, this loopback cable ensures low attenuation and stable transmission performance. The SC/UPC duplex interface offers wide compatibility with standard optical equipment, making it suitable for FTTH, FTTA, telecom, and data center testing environments.Loopback Modules Choosing Guide
| SKU | Connector | Fiber Count | Fiber Type | Polish |
| FLC-MPO-ASM9-12 | MPO | 12 | OS2 | APC |
| FLC-MPO-MM1-12 | MPO | 12 | OM1 | APC |
| FLC-MPO-MM3-12 | MPO | 12 | OM3 | APC |
| FLC-MTP-ASM9-24 | MTP | 24 | OS2 | APC |
| FLC-MTP-MM3-24 | MTP | 24 | OM3 | PC |
| FLC-MT-MM6 | MTRJ Duplex | 2 | OM1 | UPC/APC |
| FLC-SC-MM3 | SC Duplex | 2 | OM3 | UPC |
| FLC-ST-SM9 | ST | 1 | OS2 | UPC |
| FLM-LC-MM3 | LC Duplex | 2 | OM3 | UPC |
| FLM-SC-MM6 | SC Duplex | 2 | OM1 | UPC |
| Connector Type | SC/UPC Duplex |
|---|---|
| Fiber Type | Single Mode OS2 9/125μm |
| Wavelength | 1310/1550nm optimized |
| Insertion Loss | Low loss |
| Return Loss | Stable performance |
| Usage | Testing / diagnostics |
| Structure | Plug-and-play cable |
- SC/UPC duplex connector for stable optical connection
- OS2 9/125μm single mode fiber for long-distance performance
- Designed for optical loopback testing and diagnostics
- Plug-and-play structure for quick installation
- Low insertion loss and stable return performance
- Durable construction for repeated testing use
- Compatible with standard SC duplex ports
- FTTH fiber optic network testing
- FTTA base station equipment validation
- Telecom central office maintenance
- Data center optical link testing
- Optical transceiver port diagnostics
- Network troubleshooting and certification
We provide OEM and ODM services for fiber loopback products. Custom options include connector types (SC/LC/FC/ST/MTRJ), fiber types (OS2/OM3/OM4), cable length, housing design, labeling, and packaging solutions for telecom operators and test equipment suppliers.
Loopback Module Customization Options
| Connector Type | LC, SC, MPO, MTP |
| Fiber Count | Duplex, 8F, 12F, 16F, 24F |
| Fiber Mode | OS2, OM3, OM4, OM5 |
| Connector Polish | UPC, APC |
| MPO/MTP Connector | Male, Female |
| MPO/MTP Polarity | Type A, Type B |
| Housing Material | ABS Plastic, Metal |
| Housing Color | Beige, Aqua, Violet, Lime Green, Black, Custom |
| Typical Applications | Optical Transceiver Testing, Switch Port Diagnostics, Production Testing, Data Center Maintenance |
Q1: What is the purpose of a fiber loopback cable?
It is used to test optical ports by looping the transmitted signal back to the receiver for performance verification.
Q2: What is OS2 fiber used for?
OS2 (9/125μm) is a single mode fiber used for long-distance, low-loss optical transmission.
Q3: Is this compatible with FTTH and FTTA systems?
Yes, it is widely used in FTTH, FTTA, telecom, and data center environments.
Q4: Can it be reused?
Yes, it is designed for repeated testing and diagnostics.
Q5: Does it require power?
No, it is a passive optical device and requires no external power.
