Foxboro A2H254-16-RH Fiber Optic Ethernet Switch Module

The Foxboro A2H254-16-RH is an industrial rugged fiber optic Ethernet switch module designed for distributed control systems. It delivers stable high-speed fiber communication to connect controllers, I/O modules and operator stations, resisting electromagnetic interference in heavy industrial environments.

This module adopts redundant communication architecture and supports long-distance fiber transmission. It is widely stocked as spare parts for petrochemical, power and metallurgy DCS renovation and system maintenance projects.

Main Specifications

• Brand: Foxboro; Model: A2H254-16-RH; Type: Industrial Fiber Optic Ethernet Switch Module
• Interface Type: Multi-mode fiber optical ports, support high-speed industrial Ethernet transmission
• Network Architecture: Redundant network design to improve system communication availability
• Transmission Feature: Long-distance signal transmission, excellent anti-interference capability
• Installation: Standard rack mounting inside Foxboro compatible DCS cabinet
• Operating Environment: 0℃ ~ +60℃, 5%‑95% RH non‑condensing, rugged industrial grade
• Certifications: CE, conform to industrial EMC and process automation safety standards

Core Functions

• Realize fiber-optic Ethernet data exchange for Foxboro DCS distributed control network.
• Redundant network function ensures continuous communication when single network path fails.
• Fiber transmission effectively eliminates ground loop interference and electromagnetic noise.
• Built-in communication self-diagnosis for rapid fault location and troubleshooting.
• Support hot swap to reduce system downtime during module maintenance and replacement.
• Compatible with Foxboro DCS configuration software for network management and status monitoring.

Application Scenarios

• Distributed control systems for petrochemical, power generation and metallurgical industries.
• Long-distance workshop interconnection and redundant industrial communication network construction.
• Retrofit and spare replacement of legacy Foxboro DCS automation platforms.
• Water treatment, pharmaceutical and pulp & paper process control communication cabinets.
• Maintenance spare inventory for DCS system integrators and automation contractors.

• Global aftermarket spare supply for engineering teams maintaining Foxboro DCS hardware.