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As a professional source factory and leading manufacturer of fiber optic interconnects, KEXINT offers the 24171 MMC 4-Port Adapter. This VSFF (Very Small Form Factor) solution is engineered for the next generation of AI Data Centers and 800G networking. It allows for a 400% increase in port density without replacing existing rack hardware, providing a high ROI for network infrastructure upgrades.


1. Core Product Features & Functions

Ultra-High Density (VSFF Design): Specifically designed for high-density patch panels, supporting 400G/800G transceivers and AI computing clusters.

Sr-Jr Polarized Error-Proofing: The asymmetrical Senior-Junior (Sr-Jr) interface ensures physical polarity alignment, eliminating installation errors in complex cabling environments.

Standard LC Duplex Footprint: Fits directly into standard LC Duplex cutouts, allowing users to quadruple density while utilizing legacy rack systems.

Stable Connection: Features robust Metal Side Clips for a secure, tool-less snap-in installation that withstands heavy cable loads.

Single-mode APC Performance: Optimized for low-loss transmission with APC (Angled Physical Contact) precision, essential for high-speed long-haul and data center links.


2. Technical Specifications 

ParameterSpecification
Product Model24171
Connector TypeMMC (4-Port)
Adapter FootprintCompatible with Standard LC Duplex (13.1mm x 9.5mm / 0.52"x0.37")
Fiber ModeSingle-mode (SM)
Polish TypeAPC (Green Housing)
Insertion Loss (IL)Typical ≤ 0.20 dB
Polarization MethodSr-Jr (Senior-Junior)
Housing MaterialUL94-V0 Flame Retardant Plastic
Mounting TypeSnap-in Metal Spring Clips
Operating Temp-40°C to +85°C (-40°F to 185°F)


3. Product Highlights

1. 4x Density Upgrade for Next-Gen 400G/800G Networks

Engineered as a VSFF (Very Small Form Factor) solution, this 4-port MMC adapter quadruples the port density of standard LC connectors, making it the ideal choice for high-capacity AI data centers and hyperscale cloud infrastructure.

2. Absolute Error-Proofing with Sr-Jr Polarized Design

Features a unique Senior-Junior (Sr-Jr) asymmetrical interface that enforces physical polarity alignment. This error-proofing mechanism eliminates mating mistakes and ensuring 100% link reliability in high-density cabling environments.

3. Seamless Integration into Standard LC Duplex Footprints

Specifically designed to fit into standard LC Duplex cutouts, allowing network operators to upgrade to ultra-high density without replacing existing patch panels or rack hardware, significantly reducing overall system migration costs.

4. High-Precision APC Alignment for Superior Signal Integrity

Equipped with premium precision sleeves and a Green APC (Angled Physical Contact) housing, the adapter ensures ultra-low insertion loss (IL) and high return loss (RL) for critical high-speed single-mode fiber transmissions.

5. Rapid Tool-less Installation with Robust Metal Clips

Utilizes high-performance stable metal snap-in clips for quick, one-handed installation. The robust design ensures a secure, wobble-free fit that can withstand the weight and tension of high-density cable bundles.


4. Why Choose Us


OEM/ODM Customization: We support private labeling, custom housing colors, and tailored packaging for bulk orders.

Global Wholesale Supply: As a Source Factory, we offer competitive wholesale pricing and maintain a stable supply ability for large-scale engineering projects.

Technical Support: Our R&D team provides complete Technical Drawings (CAD/PDF) and Spec Sheets for your project bidding.

Fast Global Shipping: Secure packaging with dual units (Metric/Imperial) and rapid dispatch to the US, Europe, and Asia-Pacific markets.


5. Company Strength & Quality Assurance

Manufacturer Excellence: KEXINT is an ISO9001 certified factory with over a decade of experience in fiber optic innovation.

Advanced Testing: Every adapter undergoes 100% optical testing and dimensional inspection to ensure Zero-Defect quality.

Certifications: Fully compliant with RoHS, REACH, and Telcordia standards, ensuring safe and reliable deployment in any regulatory environment.

B2B Credibility: Trusted by Tier-1 ISPs and global data center operators as a reliable tier-1 supplier.


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