BWN-LB-MPO-OM3-8F-STD + configuration options
MPO 8F/12F/24F OM3 Fiber Optic Loopback
The BWNFiber MPO OM3 Fiber Optic Loopback is designed for multimode parallel optics testing. It supports 8F, 12F, and 24F configurations in a standard housing for 40G and related high-speed multimode applications.

MPO 8F/12F/24F OM3 Fiber Optic Loopback Specifications
| Fiber Count | Part Number | Description |
|---|---|---|
| 8F | BWN-LB-MPO-OM3-8F-STD | MPO 8F OM3 Standard Housing Loopback |
| 12F | BWN-LB-MPO-OM3-12F-STD | MPO 12F OM3 Standard Housing Loopback |
| 24F | BWN-LB-MPO-OM3-24F-STD | MPO 24F OM3 Standard Housing Loopback |
Purpose-Built Optical Return Path for Equipment Testing
The BWNFiber MPO OM3 Fiber Optic Loopback is designed for multimode parallel optics testing. It supports 8F, 12F, and 24F configurations in a standard housing for 40G and related high-speed multimode applications.
The multi-fiber MPO interface supports parallel-optics verification in high-density equipment. Available fiber-count options use OM3 multimode; gender, polarity and channel mapping must be matched to the target port before production.
Typical Applications
- 40G SR4 and parallel optics testing
- Data center high-density multimode verification
- Optical module and switch testing
- Production quality control
Why Source Fiber Loopbacks from BWNFiber?
- 100% optical testing: finished assemblies are checked against the stated optical requirements before shipment.
- Sample evaluation: verify the loopback with your target equipment before moving to a larger order.
- Project identification: discuss labeling, packaging and traceability requirements for deployment or production use.
- Configuration review: share the equipment model, interface and channel requirements for an application-level check.
Want to Test Before You Commit?
Send the target equipment model and quantity to request a sample, configuration review, datasheet or bulk quotation.
Frequently Asked Questions
What does the MPO 8F/12F/24F OM3 Fiber Optic Loopback test?
It routes transmitted optical power back to the receive path so connected equipment can run supported port checks, alarms and diagnostic routines. The loopback is passive and does not create a measurement result by itself.
How do I confirm compatibility before ordering?
Check the connector interface, fiber type, optical power range and test method. For MPO products, also confirm gender, pin configuration, polarity, fiber count and TX/RX channel mapping.
Can I request samples before a bulk order?
Yes. Include the target equipment, expected quantity and any labeling or packaging requirements so the sample configuration can be reviewed before shipment.
Can labeling and packaging be customized?
Project-specific identification and packaging can be discussed. Provide your labeling format, traceability requirements and packing quantities for review.
Related Products
Explore additional fiber optic products related to this item and suitable for similar network deployment needs.