ABB APBU-44C

Technical Specifications:

• Fiber Type: Single-mode fiber (G.652/G.655 compatible)
• Branch Capacity: Up to 4 independent branches (configurable for 12 branches in extended versions)
• Insertion Loss: ≤0.5 dB per branch, ensuring minimal signal degradation
• Working Depth: Supports depths of up to 8,000 meters, making it suitable for deep-sea applications
• Operating Temperature: -40°C to +85°C (underwater environment)
• Storage Temperature: -40°C to +70°C
• Connectors: SC/APC industrial-standard fiber optic connectors (customizable options available)
• Sealing Rating: IP68/IP20 (long-term corrosion resistance in seawater)
• Design Lifespan: Over 25 years, ensuring long-term reliability in harsh environments
• Power Supply: 24V DC dual-power redundancy design for enhanced operational stability
• Communication Protocols: Supports PROFIBUS-DP, RS485 Modbus RTU, and other industrial standards

Functional Characteristics:

• High Reliability: Built with corrosion-resistant alloy materials and a sealed structure to withstand extreme underwater pressures and corrosive conditions.
• Low Signal Loss: Optimized fiber management ensures high-precision signal transmission with minimal insertion loss.
• Modular Design: Flexible configuration of branch quantities (up to 4 or 12 branches) to meet diverse network topology requirements.
• Standardized Interfaces: Utilizes SC/APC connectors, ensuring compatibility with mainstream submarine cable systems.
• Full Lifecycle Management: Designed for a service life exceeding 25 years, with support for ROV (Remotely Operated Vehicle) installation and maintenance.
• Hot-Swappable: Facilitates easy replacement without system downtime, improving maintainability.
• Self-Diagnostic Capabilities: Monitors system status and provides real-time alerts for fault localization and troubleshooting.

Application Scenarios:

• Cross-Ocean Communication Networks: Connects submarine cables between continents, such as those linking Asia, Europe, and the Americas, forming the backbone of global internet infrastructure.
• Offshore Energy Facilities: Provides real-time data transmission channels for oil and gas platforms and offshore wind farms, enabling remote monitoring and control.
• Marine Scientific Research: Supports long-term data return from deep-sea observatories and seismic monitoring networks, facilitating oceanographic studies.
• Industrial Automation: Acts as a communication hub in factory automation systems, connecting multiple devices and ensuring seamless data exchange.
• Submarine Cable Repair and Maintenance: Assists in fault isolation and system reconfiguration during cable repairs, minimizing service interruptions.

Additional Features:

• Redundant Power Supply: Dual 24V DC power inputs ensure uninterrupted operation during power failures.
• ROV-Compatible: Designed for underwater installation and maintenance by remotely operated vehicles, reducing operational costs.
• Environmental Adaptability: Operates reliably in extreme temperatures and high-pressure underwater environments, making it ideal for deep-sea deployments.
• Scalability: Supports expansion to accommodate future network growth and evolving communication demands.