IP67 OPT plug, OPTH floating socket Fiber Connectors & Adapters: Rugged SC, Duplex LC & MPO Outdoor Assemblies

Outdoor OPT Fiber Optic connectors integrate common fiber interfaces (SC, duplex LC, MPO) inside a sealed, rugged housing for harsh environments. Each assembly houses a standard indoor connector (SC, LC, or MPO) within a waterproof shell. This IP67 OPT fiber connector design uses a screw-threaded lock with rubber gaskets to keep out dust and moisture. The result is a durable outdoor connector that mates cleanly with the network – ideal for network engineers, telecom installers, and industrial buyers working in challenging sites.

OPT series connector has indoor connector built-in, it’s connected with screw thread, and well sealed with rubber washers,waterproof grade is IP67. This series includes 3 types, SC, DLC and MPO. And each type has OPT plug, OPTH floating socket,
and OPT adapter. This series adapts to cables like 3.0mm/ 5.0mm/ 7.0mm round cable, 23mm/2mm flat cable, 4.08.0mmcable.

The series comprises three primary components designed to work together:

OPT Plug:

The cable-end connector, designed for field assembly onto various cable types.

OPT Adapter:

Used to connect two OPT Plugs or to provide an interface between an OPT Plug and another connector type (though primarily designed for OPT-to-OPT connections in this series context).The OPT Adapter is a high-reliability, waterproof fiber optic interface designed for OPT series connections. It acts as a coupler or intermediary, securely joining two OPT Plugs together or integrating different OPT assemblies (including the OPTH Floating Socket). Built with an IP67 environmental rating, the OPT Adapter ensures dustproof, waterproof, and durable connections for harsh indoor and outdoor environments.

Technical Specifications of OPT Adapter

OPTH Floating Socket:

A panel-mount or chassis-mount connector that allows slight axial movement for easy mating and stress relief.The OPTH Floating Socket is a robust, panel-mount fiber optic connector designed for secure, high-performance terminations in harsh environments. As a key component of the OPT IP67 connector series, the OPTH Floating Socket provides reliable, waterproof connectivity when paired with the OPT Plug or Adapter—ideal for outdoor telecom, industrial automation, and mission-critical applications.

Connection of OPTH socket and OPT plug

Common OPT Fiber Optic cable Assembly

These components are available for the most common fiber optic connector interfaces:

• SC (Subscriber Connector)
• DLC (Duplex LC Connector)
• MPO (Multi-fiber Push On)

Key Features and Benefits

• IP67 Waterproof and Dustproof: Provides reliable operation in challenging outdoor and industrial settings, protecting sensitive fiber connections from moisture and particulate matter.
• Rugged Screw Thread Coupling: Ensures a secure and vibration-resistant connection that won’t accidentally disconnect.
• Field Installable Design: Allows for quick and efficient termination and assembly on-site, reducing installation time and complexity.
• Versatile Cable Compatibility: Supports a range of common round and flat cable sizes, offering flexibility in deployment.
• Standard Inner Connector: Simplifies integration with standard fiber optic equipment and patch panels.
• Multiple Connector Types (SC, DLC, MPO): Caters to various network density and performance requirements.
• OPTH Floating Socket: Facilitates easy mating and reduces stress on panel-mounted connectors and cables.

Common Use Cases

The OPT series IP67 connectors are ideal for applications requiring robust, sealed fiber optic connections:

• Outdoor Telecom Installations: Connecting remote radio heads (RRH) for cellular networks (FTTA), backhaul links, and outdoor distribution boxes.
• Industrial Networking: Providing reliable connectivity in factories, manufacturing plants, mining sites, and other harsh industrial environments exposed to dust, water, and vibration.
• Marine and Offshore: Ensuring durable connections on ships, oil rigs, and coastal installations.
• Security and Surveillance: Connecting outdoor cameras and sensor systems.
• Renewable Energy: Used in solar farms and wind turbines for monitoring and control systems.

Installation Considerations: Assembling the OPT Plug and OPTH Socket

While specific procedures may vary slightly based on cable type and equipment, the general assembly of an OPT Plug and OPTH Floating Socket involves these key steps:

1. Cable Preparation: Strip the outer jacket of the fiber optic cable to the recommended length, exposing the strength members and buffered fibers.
2. Connector Preparation: Slide the necessary backshell components (like the nut and washer) onto the cable in the correct order.
3. Fiber Termination: Terminate the fibers onto the internal standard connector (SC, LC, or MPO) using appropriate tools and procedures (e.g., fusion splicing or mechanical termination). Ensure fiber end faces are clean.
4. Secure Internal Connector: Carefully house the terminated standard connector within the OPT plug housing, ensuring it seats correctly.
5. Assemble OPT Plug: Screw the backshell components onto the plug housing, securing the cable and providing strain relief. Ensure the rubber washer is correctly seated for sealing.
6. Panel Mounting (OPTH Socket): Mount the OPTH Floating Socket onto the equipment panel or chassis, securing it with the provided hardware.
7. Connection: Align the keys/polarities of the OPT Plug and the OPTH Floating Socket. Gently push the plug into the socket until the internal connectors mate.
8. Thread Coupling: Rotate the outer screw thread coupling of the OPT Plug onto the OPTH Floating Socket until it is finger-tight, and then use a torque wrench (if specified by the manufacturer) to tighten to the recommended torque value to ensure a proper IP67 seal.

Crucial Note: Always follow the manufacturer’s specific assembly instructions, use proper cleaning tools for fiber end faces, and adhere to recommended torque values for sealing.

Certifications and Compliance

For demanding applications, selecting components that meet relevant industry standards is vital. While specific certifications vary by manufacturer and product batch, users should seek products that comply with standards such as:

• IP67: For environmental sealing against dust and water.
• Telcordia GR-326-CORE: For singlemode optical connectors and cable assemblies.
• Telcordia GR-1435-CORE: For multi-fiber optical connectors.
• TIA/EIA Standards: Such as TIA/EIA-568 (Commercial Building Telecommunications Cabling Standard).
• IEC Standards: Relevant to fiber optic connectors and cable assemblies (e.g., IEC 61753, IEC 61754).
• RoHS/REACH: Compliance with regulations on hazardous substances.

Verifying these certifications ensures the components meet performance, reliability, and environmental safety requirements for professional deployment.

Frequently Asked Questions (FAQ)

Q1: What does IP67 waterproof mean for the OPT series connectors?

A1: IP67 means the connectors are completely protected against dust ingress and are protected against the effects of temporary immersion in water at depths between 15cm and 1 meter for 30 minutes. This makes them suitable for outdoor and harsh indoor environments where water exposure is a risk.

Q2: Can I use OPT series connectors with standard indoor patch panels?

A2: Yes, the OPT Plug and OPTH Floating Socket have a standard SC, LC, or MPO connector built into their core. This allows for direct connection to standard indoor equipment or patch panels using a simple patch cord from the internal connector interface.

Q3: How is the waterproof seal achieved?

A3: The IP67 seal is primarily achieved through a secure screw-thread coupling between the OPT Plug and OPTH Floating Socket/Adapter, combined with internal rubber washers that compress upon mating to prevent water and dust ingress.

Q4: Are these connectors field terminable?

A4: Yes, the OPT series plugs are designed for field termination onto various cable types, allowing installers to cut cables to length and terminate on-site using standard fiber termination methods (fusion splicing or mechanical).

Q5: What cable types are compatible with the OPT series?

A5: The OPT series supports a range of common fiber optic cable sizes, including 3.0mm, 5.0mm, and 7.0mm round cables, as well as 23mm, 2mm flat cables, and 4.08.0mm cables. Specific cable gland sizes may vary based on the exact product variant.

Q6: Is the OPTH Floating Socket necessary, or can I just use the Plug and Adapter?

A6: The OPTH Floating Socket is typically used for panel or chassis mounting, offering slight movement for easier mating and reduced strain. The OPT Adapter is generally used to connect two OPT Plugs directly or as a bulkhead adapter if a floating connection isn’t needed. The choice depends on the specific installation requirement.

Specifications

Each type features the same IP67 sealing and cable support. The outdoor OPT MPO connector supports high-density multi-fiber links, while SC and LC versions handle 1- or 2-fiber connections. All use the same housing and accessories for consistency.