LC/UPC Duplex OM3 Multimode 50/125 Fiber Loopback Module
The LC/UPC OM3 fiber loopback module is a duplex multimode testing device used for network diagnostics and high-speed Ethernet equipment validation.
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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 OM3 Fiber Loopback Module is a testing device designed to simulate a full fiber link by looping optical signals from the transmit channel back into the receive channel. It is widely used for fiber optic network testing, equipment burn-in, and troubleshooting in data centers and high-speed communication systems.
Built with OM3 50/125μm laser-optimized multimode fiber, this loopback module supports high-speed applications such as 10G, 40G, and 100G Ethernet testing. The LC/UPC duplex interface ensures stable low-loss connection, while the compact housing allows easy insertion into patch panels and test ports.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 OM3 50/125μm |
| Wavelength | 850nm optimized |
| Application Speed | 10G / 40G / 100G |
| Insertion Loss | Low loss |
| Return Loss | Stable performance |
| Usage | Testing / diagnostics |
| Structure | Plug-and-play module |
- LC/UPC duplex interface for stable optical connection
- OM3 50/125μm multimode fiber for high-speed applications
- Designed for network testing and loopback diagnostics
- Supports 10G/40G/100G Ethernet testing environments
- Low insertion loss and stable return performance
- Compact and durable housing for repeated use
- Easy plug-and-play installation
- Ideal for equipment validation and troubleshooting
- Data center network testing
- Ethernet switch and transceiver testing
- Optical network diagnostics and troubleshooting
- Telecom equipment burn-in testing
- R&D and laboratory fiber testing
- High-speed transmission system validation
We offer OEM and ODM services for fiber loopback modules. Custom options include connector types (LC/SC/FC), fiber types (OM3/OM4/OS2), housing design, labeling, and packaging for testing equipment distributors and telecom projects.
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 a fiber loopback module used for?
It is used to test optical ports by looping transmitted signals back into the receiver to verify functionality.
Q2: What systems is OM3 compatible with?
OM3 is compatible with high-speed multimode systems including 10G, 40G, and 100G Ethernet.
Q3: Can this be reused?
Yes, it is designed for repeated use in testing environments.
Q4: What is the benefit of LC connectors?
LC connectors are compact and ideal for high-density test equipment and patch panels.
Q5: Where is this typically used?
It is used in data centers, telecom testing labs, and network equipment manufacturing environments.
