BWN-LB-MPO-OM5-8F-STD + configuration options
MPO Loopback
MPO 8F/12F/24F OM5 Fiber Optic Loopback
The BWNFiber MPO OM5 Fiber Optic Loopback provides a multi-fiber optical return path for wideband multimode (OM5) interfaces. Available in 8-fiber, 12-fiber and 24-fiber configurations with standard housing, it enables isolated testing of MPO ports and parallel optical modules without external trunks. OM5 support makes it suitable for short-reach multimode channels that extend beyond traditional OM4 use cases. Each unit is manufactured for consistent multi-fiber alignment and 100% factory optical testing.
Product Overview
The BWNFiber MPO OM5 Fiber Optic Loopback provides a multi-fiber optical return path for wideband multimode (OM5) interfaces. Available in 8-fiber, 12-fiber and 24-fiber configurations with standard housing, it enables isolated testing of MPO ports and parallel optical modules without external trunks. OM5 support makes it suitable for short-reach multimode channels that extend beyond traditional OM4 use cases. Each unit is manufactured for consistent multi-fiber alignment and 100% factory optical testing.
Key Features
- OM5 wideband multimode fiber
- Fiber counts: 8F / 12F / 24F
- MPO compatible, UPC
- Insertion loss ≤ 1.0 dB @ 850 nm
- Standard compact housing
- Supports parallel-optics verification
- 100% factory optical testing
Technical Specifications
| Item | Specification |
|---|---|
| Fiber Type | OM5 Multimode |
| Connector Type | MPO compatible, UPC |
| Fiber Count | 8F / 12F / 24F |
| Insertion Loss | ≤ 1.0 dB @ 850 nm |
| Return Loss | N/A (multimode) |
| Operating Temperature | −20 °C to +75 °C |
| Storage Temperature | −40 °C to +75 °C |
Selection Guidance
- Match fiber count to the active lanes of the interface under test (commonly 8F for many SR4 applications).
- Polarity and gender/pin configuration are confirmed per customer requirement at the inquiry or order stage. Incorrect polarity will prevent the port from linking.
- This model is intended for OM5-designated ports and modules. For OM4 use the corresponding OM4 series.
- See the parent Fiber Optic Loopback Series for the full selection table and related configurations.
Applications
- OM5 parallel optics and SR-class module testing
- High-density multimode MPO port verification
- 40G / 100G / 400G short-reach multimode diagnostics
- Data-center production and laboratory testing
- Switch and NIC multi-fiber interface validation
Order Guide
| Fiber Count | Part Number | Description |
|---|---|---|
| 8F | BWN-LB-MPO-OM5-8F-STD | MPO 8F OM5 Standard Housing Loopback |
| 12F | BWN-LB-MPO-OM5-12F-STD | MPO 12F OM5 Standard Housing Loopback |
| 24F | BWN-LB-MPO-OM5-24F-STD | MPO 24F OM5 Standard Housing Loopback |
Why Source from BWNFiber
Clear fiber-count options for SR4/SR8-style test setups. Standard housing, defined optical limits and factory testing help engineering and production teams qualify parallel-optics ports quickly and repeatably. Full range available via the Fiber Optic Loopback Series category.
View the complete Fiber Optic Loopback Series for related LC, SC, MPO and MTP configurations.
Need a Configuration Review or Sample?
Share the target equipment, fiber count, polarity, pin configuration, quantity and labeling requirements for a project-specific review.
FAQ
Frequently Asked Questions
Why choose OM5 instead of OM4 loopback?
OM5 is wideband multimode fiber intended for extended short-reach multimode applications. Use OM5 loopbacks when testing OM5-designated ports and modules.
Are 8F, 12F and 24F housings the same size?
They use the same standard MPO loopback housing family; select fiber count to match the interface under test.
Is polarity important for MPO loopbacks?
Yes. Incorrect polarity will prevent the port from linking. Polarity and pin configuration are confirmed with the customer at inquiry/order stage.
Can this be used for singlemode MPO ports?
No. Use the singlemode MPO or MTP/APC loopback series for SM interfaces.
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