Key Features
Integrated Loopback + Attenuation – Combines signal looping and power reduction in a single duplexed module, eliminating the need for additional components and equipment
Multimode Compatibility – Optimized for OM1 (62.5/125µm), OM2, OM3, and OM4 (50/125µm) multimode fibers
Male-to-Male LC/UPC Configuration – LC/UPC connectors on both ends for direct connection to LC ports on equipment or patch panels
Fixed Attenuation Values – Available in 1–25dB range to suit diverse testing and power management requirements
High-Precision Alignment – Zirconia ceramic ferrule sleeves ensure accurate fiber core alignment and consistent performance
Low Insertion Loss – ≤0.3dB ensures minimal impact on the test signal itself
Durable Construction – Rugged protective housing with dust caps to prevent contamination when not in use
Technical Specifications
| Parameter | Specification |
|---|---|
| Connector Type | LC/UPC (Male to Male) |
| Fiber Mode | Multimode (MM) – 50/125µm or 62.5/125µm |
| Fiber Type Support | OM1, OM2, OM3, OM4 |
| Operating Wavelength | 850nm / 1300nm |
| Attenuation Range | 1–25dB (fixed values, customizable) |
| Attenuation Tolerance | 1–10dB: ±0.5dB / 11–20dB: ±1.0dB |
| Insertion Loss | ≤0.3dB |
| Return Loss | ≥20–25dB |
| Polarization Dependent Loss (PDL) | ≤0.2dB |
| Maximum Optical Input Power | 200mW |
| Mating Durability | ≥500 to >1,000 cycles |
| Housing Material | Polymer / Plastic |
| Ferrule Material | Zirconia Ceramic |
| Operating Temperature | -40°C to +80°C |
| Storage Temperature | -40°C to +85°C |
| Humidity | 95% RH |
Applications
Equipment Self-Test & Diagnostics – Sending a loopback test to network equipment to diagnose transmission and reception issues
Receiver Overload Prevention – Reducing high-power signals to safe levels for receiver sensitivity testing
Network Restoration – Temporary loopback patching during system recovery and troubleshooting
Data Center Burn-In Testing – High-density loopback testing for 10G/40G/100G transceivers
Laboratory & R&D Testing – Simulating link conditions and attenuation in controlled environments
CATV & Telecommunication Systems – In-line power calibration and testing
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