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Yellow OM4 multimode fiber loopback cable with 16core MPO UPC female connector

SMUGDESK

SMUGDESK OM4 16Core MPO/UPC Loopback Test Cable 50/125m 40G/100G

SKU CH-7F18-H2PWC

A 16-core OM4 multimode loopback cable with MPO/UPC connectors for 40G and 100G QSFP network testing

  • OM4 multimode fiber enables 40G and 100G network testing
  • 16Core MPO/UPC female connector provides precise loopback verification
  • 50/125m duplex core supports highspeed QSFP module diagnostics
  • Compact loopback design allows quick selftest without extra equipment
  • Durable fiber build suits data center and lab inspection

16-Core OM4 Loopback Cable

This OM4 multimode fiber loopback cable uses a 16-core MPO/UPC female connector with 50/125 micron duplex fiber. It is built for network engineers and data-center technicians who need a quick self-test tool for 40G and 100G QSFP modules. The compact design allows immediate port verification without extra test equipment.

Fits QSFP Ports for Rapid Diagnostics

The cable plugs directly into a QSFP transceiver or panel port to loop transmit and receive fibers back on themselves. This eliminates the need for a second module or a far-end patch cord during bring-up or troubleshooting. It frees up bench space and reduces the cable count required for a basic link check.

Replaces Ad-Hoc Patch Cord Loops

Compared with improvised patch cords or bulkhead adapters, this factory-polished loopback provides a stable, repeatable return path for 40G and 100G signals. The jump is worth it when technicians need reliable insertion-loss figures and fast pass/fail results during pre-deployment validation or scheduled maintenance windows.

How it compares

Measured against everything we stock in Tech Gadgets & Accessories, at today’s prices. Recalculated every night.

Price $19.99
Cheaper than about 60% of the 5,998 comparable items (median $24.99).

Specifications

No published specifications for this item yet.

Questions about this item

What limits the 16-core MPO loopback cable during sustained 40G or 100G network testing?

The 50/125µm OM4 multimode fiber and precision-polished MPO/UPC connector set the bandwidth and distance limits for continuous high-speed signal verification.

How much heat or noise does the cable generate when running all day in a data-center rack?

The passive fiber assembly produces no heat and no audible noise during extended loopback operation.

What existing network equipment must I already have to use this MPO/UPC loopback test cable?

A QSFP port or module with a compatible MPO receptacle is needed to mate with the 16-core female connector for self-testing.

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