LC/UPC Duplex Multimode 62.5/125μm Fiber Loopback Module OM1
The LC/UPC OM1 fiber loopback module uses 62.5/125μm multimode fiber for reliable testing and diagnostics in legacy optical network systems.
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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 LC/UPC Duplex Multimode Fiber Loopback Module is designed for optical network testing and diagnostics by looping transmitted signals back into the receiving channel. It enables efficient verification of optical port functionality, link performance, and equipment stability in fiber communication systems.
Built with 62.5/125μm multimode fiber (OM1), this loopback module is suitable for legacy and short-distance optical networks. The LC/UPC duplex interface ensures stable connection and low insertion loss, while its compact design allows easy plug-and-play use in patch panels, switches, and testing equipment.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 | LC/UPC Duplex |
|---|---|
| Fiber Type | Multimode OM1 62.5/125μm |
| Wavelength | 850nm optimized |
| Insertion Loss | Low loss |
| Return Loss | Stable performance |
| Usage | Testing / diagnostics |
| Structure | Plug-and-play module |
- LC/UPC duplex interface for stable optical connection
- Multimode 62.5/125μm OM1 fiber for legacy systems
- Designed for loopback testing and diagnostics
- Low insertion loss and stable optical performance
- Compact plug-and-play design for easy installation
- Durable housing for repeated testing use
- Compatible with standard LC duplex ports
- Reliable performance for network validation
- Network equipment testing and validation
- Data center and enterprise switch diagnostics
- Telecom system troubleshooting and maintenance
- Optical transceiver port testing
- Laboratory and R&D fiber testing
- Legacy multimode network maintenance
We provide OEM and ODM services for fiber loopback modules. Custom options include connector types (LC/SC/FC), fiber grades (OM1/OM2/OM3/OM4), housing design, labeling, and packaging customization for distributors, system integrators, and test equipment manufacturers.
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 OM1 fiber used for?
OM1 (62.5/125μm) is an older multimode fiber standard commonly used in legacy enterprise and building networks.
Q2: What is the purpose of a loopback module?
It is used to test optical ports by sending the signal back to the source for verification.
Q3: Is this compatible with modern high-speed networks?
It is mainly intended for legacy systems; OM3/OM4 is preferred for high-speed modern networks.
Q4: Can it be reused?
Yes, it is designed for multiple test cycles and repeated use.
Q5: Where is it commonly applied?
It is used in enterprise network maintenance, telecom testing, and lab environments.
