Product Description

Overview

The A4H124-24FX P0973JN from Foxboro is a 24-port fiber-managed switch engineered for industrial network environments. It delivers high-speed, noise-immune data transmission, making it ideal for process automation, SCADA, and Industrial IoT networks. This switch ensures stable long-distance fiber connections and allows configuration via a web-based interface for straightforward deployment and maintenance.

Key Features

• 24 fiber optic ports with MT-RJ connectors for robust long-range connectivity

• Two 10/100/1000 RJ-45 ports for uplink or stacking flexibility

• Two Gigabit SFP uplink ports for high-speed backbone integration

• Supports up to 4096 VLANs for secure network segmentation

• Jumbo frame support up to 9216 bytes for high-throughput applications

• Managed and stackable design suitable for industrial cabinets or desktop deployment

• High switching capacity of 12.8 Gbps and throughput of 9.5 Mpps

Technical Specifications

Industrial Fiber Interconnect: P0973JN

The P0973JN (model code A4H124) fiber optic assembly complements Foxboro I/A Series and Foxboro Evo DCS networks. It provides high-speed, EMI/RFI-immune communication between Field Control Processors (FCP) and Fieldbus Modules (FBM), ensuring reliable long-distance connections in electrically noisy environments.

Key Attributes

• Multimode fiber (62.5/125 µm) with ST connectors for secure bayonet connections

• High EMI and RFI immunity for operation near motors, switchgear, or VFDs

• Long-distance signal integrity up to 2 km depending on transceivers

• Industrial-grade jacket resistant to moisture, oil, and temperature fluctuations

Typical Applications

• Remote I/O connectivity between central control rooms and field cabinets

• Linking multiple processing units across large industrial sites

• High-noise industrial areas such as power generation plants or metal refineries

FAQ

Q: Can this switch be stacked with other units?
A: Yes, it features two RJ-45 and two SFP uplink ports for stacking and high-speed interconnection.

Q: What environments is the P0973JN suited for?
A: It is ideal for electrically noisy environments where copper cabling is prone to interference.

Q: Are other Foxboro fiber modules compatible?
A: Yes, the A4H124 series supports integration with Foxboro I/A Series and Foxboro Evo DCS devices.

Q: Can it handle high VLAN traffic?
A: The switch supports up to 4096 VLANs and jumbo frames, making it suitable for complex segmented networks.