Loading the product…
Loading the product…
MPO/MTP Male Single Mode 9/125um fiber loopback test plug; Male MPO-12 connector for testing MPO patch panels and QSFP transceivers; 12-fiber configuration with APC-polished ends; Low Insertion Loss; IEC and RoHS compliant
MSRP$77.89
$61.02
Save 22%In stock: 7,388
Genuine StarTech.com through authorized distribution — TAA country-of-origin verified and NDAA §889 screened before checkout.
This Single Mode MPO Loopback Plug is a practical tool for verifying signal continuity, insertion loss, and port function in fiber optic networks. Ideal for technicians and IT Pros, it enables fast, consistent testing across MPO-based fiber connections.
Test Single Mode Connections
This 9/125um MPO-12 Loopback Adapter is compatible with OS1 and OS2 cabling in point-to-point and structured installations. IEC and RoHS compliance ensures readiness for standardized deployments and testing in regulated environments.
Accurate Signal Diagnostics
Validate MPO transceivers, isolate faults, and confirm port behavior across high-speed parallel optic links. The fixed 12-fiber configuration with precision-aligned ferrules deliver clean signaling for accurate, reliable diagnostics.
For Enterprise Fiber Switches
The MPO-12 male connector attaches directly to female MPO/MTP ports for high-density testing without disrupting adjacent connections. A durable ABS housing withstands wear from repeated use and is suitable for frequent testing in data centers and edge or on-prem installations.
More from the Manufacturer
Perform loopback testing and verify signal continuity across Single Mode MPO-12 fiber connections
Test Single Mode Connections
This 9/125um MPO-12 Loopback Adapter is compatible with OS1 and OS2 cabling in point-to-point and structured installations. IEC and RoHS compliance ensures readiness for standardized deployments and testing in regulated environments.
Accurate Signal Diagnostics
Validate MPO transceivers, isolate faults, and confirm port behavior across high-speed parallel optic links. The fixed 12-fiber configuration with precision-aligned ferrules deliver clean signaling for accurate, reliable diagnostics.
For Enterprise Fiber Switches
The MPO-12 male connector attaches directly to female MPO/MTP ports for high-density testing without disrupting adjacent connections. A durable ABS housing withstands wear from repeated use and is suitable for frequent testing in data centers and edge or on-prem installations.
Limited Warranty: 1 Year
The StarTech.com Advantage We simplify the lives of IT Professionals by making it easy to find the connectivity accessories and information they need and getting products to their project sites quickly. StarTech.com products are designed by IT pros, for IT pros, to meet their rigorous technical performance requirements. Who We Are While we may manufacture IT connectivity accessories, StarTech.com is truly in the business of making the lives of IT professionals easy. Founded in 1985 in London, Ontario, Canada by Paul Seed and Ken Kalopsis, StarTech.com has always been dedicated to solving technology problems faced by IT professionals. Originally known as StarTech Computer Accessories, the company had very humble beginnings as a “Visa Card” funded operation, manufacturing products like computer dust covers in the basement of a house. By focusing on the needs of our customers and continual innovation, StarTech.com has evolved into a global organization offering accessories that support over 200 different technologies, from legacy to the latest. StarTech.com Founder and CEO, Paul Seed’s dedication to making IT solutions easy to implement has not wavered, nor has his passion for the community. From individual contributions to organization wide campaigns, StarTech.com is committed to staying connected to the community and supporting non-profit organizations across the globe.
| General Information | |
|---|---|
| Manufacturer | StarTech.com |
| Manufacturer Part Number | LOOPBACKMTP12OS2SMM |
| Brand Name | StarTech.com |
| Product Name | LOOPBACKMTP12OS2SMM |
| Packaged Quantity | 1 |
| Product Type | Fiber Optic Loopback |
| Physical Characteristics | |
| Color Family | Dual Color |
| Product Color | Black, Green |
| Height | 0.4" |
| Width | 0.5" |
| Weight (Approximate) | 0.10 oz |
| Technical Information | |
| Device Function | Fiber Optic Cable Testing, Network Testing, Network Troubleshoot |
| Warranty | |
| Limited Warranty | 1 Year |
| Miscellaneous | |
| TAA Compliant | Yes |
| Environmental Compliance | Restriction of Hazardous Substances (RoHS) |
Send a bill of materials or part numbers — we confirm stock, TAA country of origin and a below-market total. No payment up front.