StarTech MPO Loopback Plug, Single Mode 9/125 MPO-12 Male Fiber Loopback Adapter, MPO/MTP Loopback Test Plug
Quick tech specs
- Create a loopback test connection with this MPO/MTP Single Mode 9/125um fiber loopback plug
- 12-fiber configuration supports loopback testing across single mode links in OS1 and OS2 networks
- IEC and RoHS compliant; Maintain low insertion loss for reliable signal testing
- Male MPO-12 connector for testing MPO patch panels and QSFP transceivers
- Angled Physical Contact (APC) polish minimizes back-reflection and ensures stable signaling
Know your gear
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.