KEXINT Wholesale 24261, Adapter, MMC 4 Port, Sr-Sr, Green, 8 Dust Plugs with good price

Product Description

KEXINT, as a trusted data center structured cabling supplier, engineers this MMC 4-port adapter to meet the rigorous demands of hyperscale and enterprise fiber networks. Designed for seamless integration into structured cabling solutions, the adapter supports SR4-to-SR4 direct mating with push-pull MMC connectors, delivering consistent low insertion loss and high return loss across all ports. The precision ceramic sleeves ensure stable optical performance in 400G/800G transmission environments.

The green single-mode APC housing provides instant at-a-glance polarity identification, simplifying cable management in high-density data center structured cabling deployments. Its standard-panel-compatible footprint enables quick installation into fiber patch panels, optical distribution frames (ODF), and cassette modules — making KEXINT an essential partner for any data center cabling infrastructure integrator seeking reliable, scalable fiber connectivity.

Each unit ships with 8 protective dust plugs to shield unused ports from contamination during deployment and maintenance, preserving connector end-face integrity and extending service life. Backed by rigorous quality control, this adapter is purpose-built for structured cabling system integrators, OEM/ODM partners, and wholesale distributors serving the global telecom and data center market.

Product Highlights

High-Precision Ceramic Sleeve Fiber Optic Adapter — Engineered for SR4-to-SR4 direct mating, delivering consistently low insertion loss and high return loss for stable 400G/800G optical transceiver interconnect performance.

SM APC Green Housing for Fast Port Identification — Single-mode APC fiber adapter with industry-standard green body enables instant polarity recognition in high-density fiber patch panels, reducing installation errors and speeding up structured cabling deployment.

High-Density MMC Panel-Mount Adapter — Compact footprint fits standard panel cutouts; designed for data center fiber-optic patch panel and optical distribution frame (ODF) integration, maximizing port counts in hyperscale environments.

8 Dst Plugs Included — Fiber Optic Connector Protection — Each multi-fiber push-pull adapter ships with protective dust plugs for all unused ports, preventing contamination during bulk fiber optic cable installation and ensuring long-term connector end-face integrity.

Push-Pull MMC Multi-Fiber Connector Adapter — Fully compatible with the MMC connector standard, supporting tool-free insertion and extraction in high-port-count fiber termination boxes and cassette modules — a must-have for 400G/800G data center cabling upgrades.

Telecom-Grade Fiber Optic Bulkhead Adapter — Built to hyperscale data center quality standards with rigorous QC, ideal for structured cabling system integrators, fiber optic wholesale distributors, and OEM/ODM contract manufacturing partners worldwide.

Specification

Application Scenarios

1. Hyperscale Data Center Structured Cabling — Deployed in high-density fiber patch panels and optical distribution frames (ODF) within hyperscale and colocation data centers, enabling 400G/800G SR4 multi-fiber interconnects between spine-leaf switches and optical transceivers.

2. Fiber Termination Box & Cassette Module Integration — Installed inside LGX-compatible fiber cassettes and wall-mount termination boxes for enterprise LAN backbone cabling, providing a clean, organized bulkhead interface for MMC trunk-to-patch cord breakout.

3. Optical Transceiver Direct Mating & Testing — Used in lab and production environments for direct SR4 optical transceiver loopback testing, link budget verification, and burn-in qualification — the 8 dust plugs keep idle ports clean between test cycles.

4. Telecom Central Office & ISP Fiber Distribution Hubs — Mounted in telecom-grade fiber distribution frames and street cabinets for FTTH/FTTB aggregation networks, where green APC housing ensures correct single-mode polarity alignment at every connection point.

4. OEM/ODM Fiber Optic Assembly Manufacturing — Integrated into custom fiber patch panels, pre-terminated cable assemblies, and modular plug-and-play solutions by contract manufacturers serving global structured cabling brands and data center infrastructure suppliers.

5. Edge Computing & 5G Base Station Fiber Backhaul — Compact panel-mount design fits space-constrained edge data centers and outdoor 5G base station enclosures, supporting reliable MMC multi-fiber connectivity for fronthaul and backhaul optical links.

Why Choose Us

FAQ

1. What is an MMC 4-port fiber optic adapter and where is it used?

The MMC 4-port fiber optic adapter is a high-density MMC bulkhead adapter designed for data center fiber optic patch panel and optical distribution frame (ODF) integration. It provides SR4-to-SR4 direct mating for MMC multi-fiber push-pull connectors in 400G/800G parallel optic links. This MMC panel mount adapter is purpose-built for hyperscale data center structured cabling environments, fiber termination boxes, and high-port-count cassette modules — delivering reliable, low-loss optical interconnect in space-constrained, high-density deployments.

2. What does "SR4-SR4" mean for this MMC adapter?

SR4 refers to 4-channel short-reach parallel optics (typically 400GBASE-SR4 or 800G-SR4). This MMC-to-MMC adapter provides straight-through SR4-to-SR4 mating — both sides accept MMC SR4 connectors with 4 fiber pairs, enabling polarity-aligned connections between multi-fiber trunk cables or between a trunk and an optical transceiver port in a 400G fiber optic adapter patch panel setup.

3. Is this a single-mode or multimode fiber optic adapter?

The green housing indicates SM APC fiber (single-mode with Angled Physical Contact). The green body follows the industry-standard fiber optic connector color code — green = single-mode APC — allowing field technicians to instantly identify the interface type in dense data center fiber management systems and avoid costly mismating errors during installation.

4. What are the typical insertion loss and return loss specs?

Thanks to the precision ceramic sleeve fiber adapter construction, this MMC adapter delivers a typical insertion loss of ≤ 0.3 dB per port and return loss of ≥ 60 dB for APC single-mode applications — performance that meets the stringent requirements of data center structured cabling components and telecom-grade deployments. Final values depend on the mated connector end-face quality.

5. What applications is this high-density fiber optic adapter designed for?

Six primary deployment scenarios for this high-density fiber optic adapter:

Hyperscale data center fiber optic patch panel spine-leaf 400G/800G interconnects

Fiber termination boxes and LGX cassette integration for enterprise structured cabling solutions

Optical transceiver lab testing — loopback verification and burn-in qualification

Telecom central office fiber distribution frames for FTTH/FTTB aggregation

OEM fiber optic assembly manufacturing — custom patch panels and pre-terminated cables

Edge computing and 5G base station fronthaul and backhaul fiber links

6. Does this MMC panel mount adapter fit standard panel cutouts?

Yes. The MMC panel mount adapter uses an industry-standard footprint compatible with common fiber optic patch panel adapter cutouts. It drops directly into fiber patch panels, optical distribution frames, fiber termination boxes, and LGX-compatible cassette modules — no custom mounting hardware required. This makes it an ideal drop-in upgrade for data center cabling infrastructure projects.

7. How many dust plugs are included and why do they matter?

Each fiber optic bulkhead adapter ships with 8 dust plugs — enough to protect all 4 ports (front and rear sides) during transport, installation, and idle periods. End-face contamination from dust and debris is the #1 cause of fiber link failures in data center structured cabling environments. The included fiber optic connector dust caps preserve connector end-face integrity and extend service life, reducing maintenance costs and preventing unnecessary truck rolls.

8. What is the difference between MMC and MPO/MTP fiber adapters?

The MMC fiber optic adapter is designed for MMC connectors only — approximately 70% smaller than traditional MPO/MTP connectors, enabling roughly 3x higher port density in the same panel space. This compact multi-fiber push-pull adapter uses a unique push-pull latching mechanism (no push-tab required), making it ideal for congested high-port-count environments where finger access is severely limited. It is NOT compatible with MPO/MTP connectors.

9. Can this adapter be customized — color, logo, private label packaging?

Yes. KEXINT operates as a full-service OEM fiber optic adapter manufacturer and data center structured cabling supplier. Customization options include: custom housing colors beyond standard green APC, laser-engraved or pad-printed logo on the adapter body, private-label packaging with your brand design, and custom QC documentation. MOQ applies for custom production runs — contact us with your requirements for a customized quote.

10. What certifications apply, and what is the typical lead time?

This ceramic sleeve fiber adapter is manufactured under ISO 9001-certified quality management, with full compliance with IEC 61754 and Telcordia GR-326 standards for fiber optic interconnects. Every unit passes 100% visual inspection, and random-batch IL/RL testing is performed before shipment. Standard lead time: 7–15 working days for small-to-medium orders. Large bulk fiber optic adapter and wholesale fiber optic components orders may require 3–4 weeks. Contact us with your order volume for a precise delivery schedule.

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