12F MPO UPC Female Loopback Aqua OM3 with customizable attenuation

Product Overview

The 12-Fiber MPO/UPC Female Loopback Module is designed for performance testing of multimode fiber networks, especially in high-density data center environments. Featuring a UPC (Ultra Physical Contact) polish and customizable attenuation, this loopback tool allows for simulation of real-world optical transmission conditions, making it ideal for diagnostics, transceiver testing, and system validation at speeds up to 100G.

Technical Specifications

• Connector Type

• MPO/UPC Female (12F)

• Key-Up to Key-Down orientation

• High-precision guide pins for secure mating

• Fiber Type

• OM3 Multimode Fiber (50/125 µm)

• Laser-optimized for high-speed transmission

• Jacket Color: Aqua

• Number of Fibers

• 12 Fibers internally looped

• Polish Type

• UPC (Ultra Physical Contact)

• Low back reflection

• Return Loss

• ≥ 20 dB (UPC)

• Insertion Loss

• ≤ 0.5 dB (typical without attenuation)

• Attenuation Level

• Customizable from 1 dB to 20 dB

• ±0.5 dB tolerance

• Fixed or user-defined attenuation upon request

Mechanical & Environmental

• Housing

• Durable, anti-static plastic casing

• Designed for field and lab environments

• Color: Aqua (OM3 standard)

• Operating Temperature

• -10°C to +60°C

• Storage Temperature

• -40°C to +85°C

• Form Factor:

• Compact design for panel, module, and port testing

• Dimensions: ~55 mm x 20 mm x 12 mm

Standards & Compliance

• TIA/EIA-568.3-D

• IEC 61754-7 and IEC 61300 series

• RoHS, REACH, and CE compliant

Applications:

• Transceiver Port Testing – QSFP, QSFP+ and QSFP28 multimode interfaces

• Network Validation – Ensures proper link functionality and equipment burn-in

• System Simulation – Emulates signal loss for realistic transmission testing

• Manufacturing Testing – Used in OEM test benches and QA workflows

Custom Options Available:

• Attenuation Levels: 1–20 dB configurable

• Connector Gender: Female standard (male with guide pins optional)

• Labeling & Branding: Custom logos, part numbers, and barcoding

• Jacket Materials: LSZH standard, OFNP/OFNR available upon request