sales@foscoconnect.com
(510) 319-9878
Silicon Valley, CA, USA
Overview
The FiberXP® LBK-MPO12-M3 is a 12-core multimode 50μm OM3 loopback adapter designed for precise optical network diagnostics. Utilizing a Type A polarity configuration, this plug is engineered for testing 40G and 100G transceivers within parallel optical infrastructures.
Constructed with a durable hard shell casing, the unit provides robust protection for the factory-terminated PC loopback connector. It is suited for demanding data center and network maintenance environments, ensuring stable performance during rigorous testing cycles.
Key Features
-
12-Core MPO/MTP Interface
Features a high-density 12-fiber interface to support parallel optic testing requirements. -
OM3 Multimode Performance
Optimized for 50μm OM3 fiber environments, ensuring accurate signal transmission for 40/100G testing. -
Type A Polarity
Designed with industry-standard Type A polarity for seamless integration into common network diagnostic setups. -
Durable Hard Shell
Encased in a protective housing that guards internal fiber components against physical damage during field use. -
Factory Terminated
Ensures high-quality, reliable connections directly out of the package. -
Compact Form Factor
Small physical footprint allows for easy handling in tight rack spaces and patch panels.
Applications
- 40G/100G transceiver testing
- Parallel optics diagnostics
- Data center fiber network maintenance
- Optical equipment burn-in testing
Technical Specifications
| Specification | Value |
|---|---|
| Manufacturer | FiberXP |
| Part Number | 682X092 |
| Model | LBK-MPO12-M3 |
| Fiber Count | 12-Core |
| Fiber Mode | Multimode (OM3) |
| Core Size | 50μm |
| Insertion Loss | <1.0dB |
| Return Loss | >30dB |
| Polarity | Type A |
| Compliance | TIA/EIA, IEC, RoHS, REACH |
Frequently Asked Questions
What is the primary use of this loopback plug?
It is primarily used for testing 40G and 100G transceivers in parallel optical fiber networks.
What is the polarity of this device?
This model features Type A polarity.
Is this compatible with OM3 cabling?
Yes, it is designed specifically for 50μm OM3 multimode fiber systems.
What are the optical performance ratings?
It offers an insertion loss of less than 1.0dB and a return loss greater than 30dB.
Is the connector protected?
Yes, the connector is protected by a durable hard shell casing for improved longevity.


