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StarTech MPO Loopback Plug, Single Mode 9/125 MPO-8 Male Fiber Loopback Adapter, MPO/MTP Loopback Test Plug MPO Male Loopback Tester
StarTech.com

StarTech MPO Loopback Plug, Single Mode 9/125 MPO-8 Male Fiber Loopback Adapter, MPO/MTP Loopback Test Plug MPO Male Loopback Tester

MPO/MTP Male Single Mode 9/125um fiber loopback test plug; Male MPO-8 connector for testing MPO patch panels and QSFP transceivers; 8-fiber configuration with APC-polished ends; Low Insertion Loss; IEC and RoHS compliant

SKU
LOOPBACKMTPSM9125M
Category
Test Equipment

MSRP$77.89

$59.45

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In stock: 9,457

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Genuine StarTech.com through authorized distribution — TAA country-of-origin verified and NDAA §889 screened before checkout.

SKU
LOOPBACKMTPSM9125M
Category
Test Equipment

Overview

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-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.

Accurate Signal Diagnostics

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.

For Enterprise Fiber Switches

The MPO-8 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.

Highlights

  • RELIABLE FIBER TESTING: Create a loopback test connection with this MPO Single Mode fiber loopback plug; Male MPO-8 connector for testing female MPO/MTP ports; Test 8-fiber MPO switch panels and interfaces for continuity
  • ACCURATE TEST PERFORMANCE: Maintain precise loopback signaling with insertion loss below 0.35dB; Repeatability within 0.2dB ensures consistent results across multiple connections; Return loss above 50dB minimizes back-reflection for stable signaling
  • BUILT FOR DURABILITY: Optimized for multiple test cycles using high-precision ceramic ferrules in a compact ABS housing; Built in compliance with IEC and RoHS standards for reliable testing in regulated environments
  • FIELD-READY DESIGN: Compact form factor is ideal for technicians performing on-site diagnostics and fault isolation; Quickly troubleshoot and verify performance in single mode MPO/MTP patch panels and transceivers; Includes protective dust cap
  • THE IT PRO'S CHOICE: Our network tools and testers are rigorously tested in our Innovation Lab to ensure enterprise-grade reliability and durability; Built for quick diagnostics and routine maintenance across copper and fiber networks; Backed by free lifetime 24/5 multi-lingual technical assistance

Specifications

Product TypeFiber Optic Loopback
Manufacturer Part NumberLOOPBACKMTPSM9125M
Packaged Quantity1
Limited Warranty2 Year
Weight (Approximate)0.10 oz
ManufacturerStarTech.com
Product NameLOOPBACKMTPSM9125M
Brand NameStarTech.com
Height0.4"
Width0.8"
Device FunctionFiber Optic Cable Testing, Network Testing, Network Troubleshoot
TAA CompliantYes
Product ColorBlack, Green
Color FamilyDual Color
Environmental ComplianceRestriction of Hazardous Substances (RoHS)

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