Description
Foxboro A4H254-8F8T Rugged Industrial Layer 2 Managed Ethernet Switch
Detailed Product Information
The Foxboro A4H254-8F8T is a high-performance, ruggedized Layer 2 managed Ethernet switch purpose-built for demanding industrial and automation network environments. It belongs to the Foxboro A4 series of Fast Ethernet switches, which are store-and-forward stackable units that can be flexibly scaled to adapt to varying industrial network architecture requirements. This switch combines 8 copper Ethernet ports and 8 fiber optic ports in a single compact unit, delivering versatile hybrid connectivity that supports reliable, high-speed data transmission even in harsh industrial conditions. It is widely deployed in process industries such as petrochemical refining, chemical processing, power generation and oil & gas production, where continuous, stable industrial network operation is a critical requirement for production safety.
A4H254-8F8T
Technical Specifications
- Manufacturer: Foxboro (USA)
- Part Number: A4H254-8F8T (alternate SKU: A4H254-8F8T P0973JP)
- Product Type: Layer 2 Managed Ethernet Switch (Fiber Managed Switch)
- Port Configuration: 8 copper Ethernet ports + 8 fiber optic ports
- Switching Architecture: Store-and-forward stackable design
- Dimensions: 14.7 × 5.15 × 11.4 cm
- Weight: 1.5 kg (2000 g)
- Condition: Brand new and in stock
- Warranty: 12 months official manufacturer warranty
- Country of Origin: USA
- Payment Options: T/T, Western Union
- Shipping Port: Xiamen
- Supported Features: Multiple uplink interfaces, stacking capability, robust industrial-grade construction
Compatibility & Installation Pitfalls
Compatibility
- Natively interoperable with Foxboro I/A Series and Evo distributed control system industrial network architectures
- Fully compatible with standard industrial Ethernet protocols and mainstream industrial automation network devices
- Seamlessly integrates with Foxboro industrial network management software for full switch configuration, monitoring and diagnostic operations
- Matches with standard industrial control cabinet DIN rail mounting systems and 19-inch standard rack mounting accessories
- Supports stacking with other Foxboro A4 series Fast Ethernet switches to build scalable industrial network topologies
Installation Pitfalls
- Never install the A4H254-8F8T in a non-ventilated enclosed space without proper heat dissipation design. Overheating will cause unexpected switch reboot and network communication interruption.
- Do not connect Ethernet cables with length exceeding the rated maximum transmission distance directly to the ports without signal extenders. Excessively long cables will cause severe signal attenuation and data transmission errors.
- Avoid routing industrial network cables connected to this switch in the same cable tray as high-power variable frequency drive or AC motor power cables. Severe electromagnetic interference will cause intermittent network packet loss and communication dropouts.
- Never perform hot-swap replacement while critical process control loops relying on this industrial network are in automatic operation without pre-engaging the redundant network path. This action will cause momentary network disconnection and trigger unplanned process trips.
- Do not deploy A4H254-8F8T switches with drastically different firmware revisions in the same stacking group. Inconsistent firmware versions will cause asynchronous network timing and unexpected communication failure during stack operation.
A4H254-8F8T
Typical Application Scenarios
- Petrochemical refining operations: Serves as the core industrial network switch connecting distributed control system controllers, field devices and operation workstations in refinery process units.
- Chemical processing plants: Leverages its rugged industrial-grade construction to maintain reliable network performance in harsh industrial environments with heavy dust, wide temperature fluctuations and moderate electromagnetic interference.
- Power generation and utilities: Deploys in thermal power plant DCS control cabinets, providing stable high-speed network communication for boiler control systems and auxiliary equipment monitoring networks.
- Oil and gas production facilities: Adapts to the harsh operating environment in onshore and offshore control cabinets, supporting 24/7 non-stop operation for process control and safety monitoring networks.
- Industrial manufacturing facilities: Acts as a scalable industrial network core, supporting stacking and uplink expansion to build flexible, high-reliability industrial Ethernet topologies for continuous production processes.
Recommended Supporting Components
- Foxboro certified industrial Ethernet fiber optic and copper patch cables for interference-free high-speed data transmission
- Industrial-grade DIN rail mounting kit for secure installation in standard industrial control cabinets
- Foxboro official industrial network management software for switch configuration, performance monitoring and fault diagnostics
- Redundant industrial power supply unit to ensure uninterrupted power supply for the switch
- Industrial network surge protection device to protect the switch from lightning surge and overvoltage damage
Related Part Number Recommendations
- A4H254-8TX: Foxboro 16-port all-copper industrial managed Ethernet switch, for industrial network scenarios that do not require fiber optic ports
- A4H254-16F: Foxboro 16-port all-fiber industrial managed Ethernet switch, for long-distance industrial network transmission scenarios
- A4H254-24G: Foxboro 24-port Gigabit industrial managed Ethernet switch, for high-bandwidth industrial network application scenarios
- A4H254-RM: Foxboro redundant industrial Ethernet switch module, for high-availability industrial network architecture deployment
- A4 Series unmanaged industrial Ethernet switches: For cost-effective basic industrial network connection scenarios
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