FOXBORO A4H124‑24TX P0973JM Industrial Managed Ethernet Switch

A4H124‑24TX P0973JM is a rack‑mount industrial managed Ethernet switch for Foxboro DCS control network. It delivers stable network interconnection for controllers, workstations and field control devices inside distributed control systems, supporting real‑time industrial data transmission for process‑automation sites.

This 24‑port copper switch is equipped with gigabit uplink RJ45 and SFP slots, supports SNMP network management, VLAN configuration and full‑duplex communication. 19‑inch rack‑mount design is widely used in power plant, petrochemical and chemical‑plant DCS control cabinets.

Main Specifications

• Brand: FOXBORO (Invensys); Model: A4H124‑24TX P0973JM; Type: Managed Industrial Ethernet Switch
• Copper Ports: 24 × 10/100 Base‑TX RJ45 ports for field‑device connection
• Uplink Ports: 2 × 10/100/1000 RJ45, 2 × SFP gigabit fiber slots
• Management Interface: RS232 Console port for local configuration
• Network Protocol: SNMP, VLAN, full‑duplex / half‑duplex adaptive
• Installation: Standard 19‑inch 1U rack‑mount installation
• Power Input: AC power supply, built‑in power module
• Operating Environment: 0℃ ~ +50℃ working temperature, 5%‑95% RH non‑condensing
• Diagnostic: LED indicators for link status, activity and power supply
• Certifications: CE, UL, meets industrial control network EMC standards

Core Functions

• Provide high‑speed Ethernet data exchange for Foxboro DCS controllers, operator stations and field‑bus equipment.
• Support VLAN partition, network status monitoring and fault alarm via SNMP for industrial control network management.
• Gigabit SFP fiber uplink ports realize long‑distance network transmission between different control‑cabinet rooms.
• Console serial port supports local device configuration, firmware upgrade and network‑fault debugging.
• Industrial‑grade anti‑interference hardware ensures stable real‑time communication under harsh factory‑floor conditions.
• 1U rack‑mount structure is convenient for integration inside DCS cabinet, matching Foxboro automation system architecture.

Application Scenarios

• Network‑equipment spare‑part replacement for Foxboro DCS control cabinets in thermal‑power plants and petrochemical enterprises.
• Core network switching component for chemical‑process, pulp‑paper and large‑water‑treatment distributed‑control‑system automation rooms.
• Maintenance backup inventory for renovation and after‑sales maintenance projects of legacy Foxboro automation control networks.
• Matching network switch cooperating with Foxboro controller modules, operator workstations and field I/O devices.
• Retrofit replacement for old switches suffering network congestion, port failure and frequent communication‑interruption faults.
• Global aftermarket spare supply for automation maintenance teams maintaining Foxboro DCS‑system equipment worldwide.