This website stores cookies on your computer. These cookies are used to collect information about how you interact with our website and allow us to remember you. We use this information in order to improve and customize your browsing experience and for analytics and metrics about our visitors both on this website and other media. To find out more about the cookies we use, see our Privacy Policy.

StarTech.com MPO-8 9 125 Singlemode Female Fiber Loopback Adapter

Print page
Item#: 42124844 // MFG Part#: LOOPBACKMTPSM9125F // By: StarTech.com
StarTech.com LOOPBACKMTPSM9125F Main Image from Right-angle
Rollover to Zoom
NOTE: Images may not be exact; please check specifications.
  • Temporarily Out-of-Stock
  • Call for next available delivery
Ordering Information
$89.86 
Qty:

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.


This 9/125um MPO-8 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.


Validate MPO transceivers, isolate faults, and confirm port behavior across high-speed parallel optic links. The fixed 8-fiber configuration with precision-aligned ferrules deliver clean signaling for accurate, reliable diagnostics.


The MPO-8 female connector attaches to male MPO/MTP interfaces with alignment pins, supporting 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.