Comprehensive Product Summary – FCA-SC-MM Fiber Patch Adapter

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### 1. Product Overview

Product Name: Fiber Patch Adapter SC/SC MM
Model Number: FCA-SC-MM
Series: Fiber Connectivity Accessories
Article Number: FCA-SC-MM
Manufacturer: ORing Industrial Networking Corp.
Product Category: Fiber Patch Adapter (SC to SC, Multi-Mode)
Website: [www.oring-networking.com](http://www.oring-networking.com)

The FCA-SC-MM is a high-quality SC-to-SC multimode fiber optic adapter designed for reliable and precise optical interconnection between two SC-terminated multimode fiber cables. It is part of ORing’s comprehensive line of fiber connectivity accessories, engineered for industrial and commercial networking environments that demand stable optical performance, mechanical durability, and ease of integration.

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### 2. Key Features

- SC-to-SC Multimode Interface: Provides a direct connection between two SC multimode fiber connectors, ensuring low insertion loss and high return loss for optimal signal transmission.
- High-Precision Alignment Sleeve: Ensures accurate fiber core alignment, minimizing optical signal loss and maintaining consistent performance across connections.
- 62.5/125 μm Fiber Compatibility: Designed for standard multimode fiber with a 62.5 μm core and 125 μm cladding, supporting legacy and modern multimode systems.
- Industrial Temperature Range: Operates reliably from -40°C to +85°C, suitable for harsh industrial and outdoor environments.
- Durable Construction: Built with high-grade polymer housing and ceramic or phosphor bronze alignment sleeves for long-term mechanical stability.
- Compact Form Factor: Standard SC duplex footprint allows easy installation in patch panels, wall outlets, or distribution frames.
- Plug-and-Play Design: Enables quick field installation without special tools or calibration.
- Interoperability: Fully compatible with standard SC connectors and multimode patch cords (e.g., FPC-SCSC-MM3M).
- Low Maintenance: Passive optical component requiring no power or active electronics, reducing maintenance overhead.
- Designed for Rugged Excellence: Reflects ORing’s commitment to industrial-grade reliability and performance.

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### 3. Technical Specifications

| Parameter | Specification |
|----------------|-------------------|
| Model Name | FCA-SC-MM |
| Connector Type | SC (Subscriber Connector) |
| Connection Type | SC Female to SC Female |
| Fiber Type | Multimode |
| Core/Cladding Diameter | 62.5/125 μm |
| Polish Type | PC (Physical Contact) |
| Insertion Loss | Typically ≤ 0.2 dB |
| Return Loss | ≥ 35 dB (typical for multimode) |
| Operating Temperature | -40°C to +85°C |
| Storage Temperature | -40°C to +85°C |
| Material (Housing) | High-strength polymer (UL-rated) |
| Material (Sleeve) | Zirconia ceramic or phosphor bronze |
| Color Code | Beige (standard for multimode SC) |
| Mounting Type | Panel mount or adapter plate mount |
| Dimensions (approx.) | 28 mm (L) × 9 mm (W) × 9 mm (H) |
| Weight | Approx. 5–8 g per unit |
| Durability | > 500 mating cycles |
| Compliance | TIA/EIA-568, IEC 61754-4, RoHS compliant |

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### 4. Functionality

The FCA-SC-MM functions as a fiber optic coupler, enabling two SC-terminated multimode fiber cables to be joined with minimal signal loss. It serves as a passive interconnection point in optical distribution frames, patch panels, or wall-mounted enclosures.

Working Principle:
- Each SC connector is inserted into one side of the adapter.
- The internal alignment sleeve ensures precise core alignment between the two fibers.
- Optical signals pass through the mated ferrules with minimal attenuation.

Use Cases and Applications:
- Data Centers: Interconnecting multimode fiber patch cords in structured cabling systems.
- Industrial Networks: Used in ORing’s ruggedized Ethernet switches and fiber converters for harsh environments.
- Telecommunications: Suitable for local area networks (LANs), campus networks, and backbone cabling.
- Automation Systems: Provides reliable optical connectivity in control cabinets and field enclosures.
- Test and Measurement: Used in laboratory setups for optical testing and calibration.

Compatibility:
- Compatible with FPC-SCSC-MM3M (SC/SC multimode patch cord, 3 m, 62.5/125 μm).
- Works with standard SC multimode connectors conforming to IEC 61754-4.
- Can be integrated with ORing’s fiber-based networking devices and accessories.

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### 5. Components & Accessories

Included Components:
- 1 × SC/SC Multimode Fiber Adapter (FCA-SC-MM)
- Dust caps on both ports for protection during storage and transport

Optional Accessories:
- Fiber Patch Cords:
- *FPC-SCSC-MM3M*: SC/SC multimode patch cord, 3 m, 62.5/125 μm
- *FPC-SCLC-MM3M*: SC/LC multimode patch cord, 3 m, 62.5/125 μm
- *FPC-SCST-MM3M*: SC/ST multimode patch cord, 3 m, 62.5/125 μm
- Single-mode Variant: *FCA-SC-SS* (SC/SC single-mode, 9/125 μm)
- Mounting Accessories: Adapter plates, fiber panels, and enclosures
- Cleaning Tools: Fiber cleaning sticks and compressed air for ferrule maintenance

Connector Interface:
- Duplex SC female ports on both sides
- Snap-in latch mechanism for secure retention
- Alignment sleeve centered for precise optical coupling

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### 6. Installation & Setup

Installation Requirements:
- Compatible SC multimode fiber connectors (62.5/125 μm)
- Clean, dust-free environment during installation
- Mounting panel or patch frame with SC cutouts (optional)

Installation Steps:
1. Remove dust caps from both ends of the adapter.
2. Clean the ferrule ends of the SC connectors using approved fiber cleaning tools.
3. Insert the SC connectors into each side of the adapter until the latch clicks.
4. Verify optical continuity using a light source and power meter if required.
5. Secure the adapter in a patch panel or wall plate if permanent installation is desired.

Mounting Options:
- Snap-in panel mount (standard rectangular SC cutout)
- DIN-rail or rack-mount enclosures (via adapter plates)
- Wall-mounted fiber termination boxes

Configuration:
- No electrical or software configuration required (passive component)
- Ensure correct fiber type (multimode) and connector polish (PC) for optimal performance

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### 7. Performance & Capabilities

Optical Performance:
- Insertion Loss: ≤ 0.2 dB typical, ≤ 0.3 dB maximum
- Return Loss: ≥ 35 dB for multimode PC interface
- Repeatability: ±0.1 dB across multiple matings
- Durability: > 500 mating cycles without degradation

Environmental Performance:
- Operating Temperature: -40°C to +85°C
- Humidity Resistance: Up to 95% non-condensing
- Vibration/Shock Resistance: Designed for industrial-grade environments

Mechanical Performance:
- Retention Force: > 50 N
- Mating Force: < 20 N
- Material Strength: High-impact polymer housing resists cracking and deformation

Limitations:
- Designed for multimode fiber only (62.5/125 μm)
- Not suitable for single-mode (9/125 μm) applications
- Indoor or protected outdoor use recommended (not waterproof unless enclosed)

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### 8. Standards & Compliance

The FCA-SC-MM adheres to multiple international standards and certifications ensuring interoperability, safety, and environmental compliance.

Optical and Mechanical Standards:
- IEC 61754-4: SC connector interface standard
- TIA/EIA-568-C.3: Optical fiber cabling components standard
- ISO/IEC 11801: Generic cabling for customer premises
- EN 50173: Information technology cabling systems

Environmental and Safety Compliance:
- RoHS Compliant: Free from hazardous substances such as lead, mercury, and cadmium
- REACH Compliant: Meets European chemical safety regulations
- UL94V-0 Rated Housing: Flame-retardant polymer material
- Industrial Grade Temperature Compliance: -40°C to +85°C operational range

Quality Assurance:
- 100% factory tested for insertion loss and return loss
- Visual inspection under 400× magnification for ferrule end-face quality
- Complies with ORing’s “Designed for Rugged Excellence” manufacturing standard

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### 9. Additional Information

Warranty:
- Standard 2-year limited warranty covering manufacturing defects and performance degradation under normal use conditions.

Technical Support:
- ORing provides comprehensive technical documentation, installation guides, and online support.
- Dedicated customer service for industrial networking solutions and fiber connectivity.

Maintenance:
- Periodic cleaning of connector end-faces recommended using lint-free wipes and isopropyl alcohol.
- Keep dust caps on unused ports to prevent contamination.
- Inspect alignment sleeves periodically for debris or wear.

Product Lifecycle & Updates:
- FCA-SC-MM is part of ORing’s ongoing fiber accessory product line.
- Compatible with future ORing fiber networking devices and patch systems.
- Updated product datasheets and installation manuals available on the manufacturer’s website.

Related Products:
- FCA-SC-SS: SC/SC single-mode adapter (9/125 μm)
- FPC-SCSC-MM3M: SC/SC multimode patch cord, 3 m
- SFP100-MM / SFP1G-MLX: Compatible multimode optical transceivers for 100 Mbps and 1 Gbps links
- DIN-Rail Power Supplies (DR-4512, DR-4524): For powering ORing network devices in fiber-based systems

Manufacturer’s Commitment:
ORing Industrial Networking Corp. is a global provider of rugged networking solutions, emphasizing reliability, performance, and industrial-grade design. The FCA-SC-MM reflects ORing’s dedication to delivering high-quality passive optical components that complement its active networking portfolio.

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### Summary

The FCA-SC-MM Fiber Patch Adapter is a robust, high-performance SC-to-SC multimode coupler engineered for industrial and commercial fiber optic networks. With its precision alignment, low insertion loss, and wide temperature tolerance, it ensures stable optical connectivity in demanding environments. Its compliance with international standards, compatibility with ORing’s fiber patch cords and transceivers, and ease of installation make it an essential component in structured cabling systems, data centers, and industrial automation networks.

Key Highlights:
- SC/SC multimode adapter (62.5/125 μm)
- Industrial temperature range (-40°C to +85°C)
- Low insertion loss and high repeatability
- Rugged polymer housing with ceramic alignment sleeve
- Fully compliant with IEC, TIA/EIA, and RoHS standards
- Ideal for LAN, data center, and industrial fiber applications

Designed for Rugged Excellence – ORing Industrial Networking Corp.