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Foxboro P0973BK industrial managed Ethernet switch

Foxboro P0973BK is an industrial managed Ethernet switch designed for use in Distributed Control System (DCS) and industrial automation networks, especially the Foxboro I/A Series platform.

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Foxboro P0973BK

Foxboro P0973BK Overview

Foxboro P0973BK is an industrial managed Ethernet switch designed for use in Distributed Control System (DCS) and industrial automation networks, especially the Foxboro I/A Series platform. It provides reliable, high-availability networking for control systems used in oil & gas, power, chemicals, and manufacturing.

Product Description

The P0973BK is a Layer-2 managed industrial switch (model A2H254-16) originally developed by Enterasys and branded by Foxboro for industrial control applications. It combines copper and fiber connectivity and supports stacking for scalable network infrastructure.

This switch is typically used in:

  • Foxboro I/A Series DCS networks
  • Industrial Ethernet backbone and control networks
  • Plant-wide SCADA and automation systems

Key Features

Industrial Network Design

  • Designed for harsh industrial environments
  • High reliability and secure data communication
  • Supports redundant power and high-availability topology

Hybrid Copper + Fiber Connectivity

  • Flexible connection for short and long distance industrial networking
  • EMI-resistant fiber connections for noisy environments

Managed Layer-2 Capabilities

  • VLAN segmentation for security and performance
  • QoS traffic prioritization for control signals
  • SNMP/CLI/Web management tools
  • Spanning Tree for loop prevention and redundancy

Port Configuration

Typical configuration of the P0973BK:

Port Type Quantity
10/100Base-T RJ45 copper 8
100Base-FX fiber (MT-RJ) 8
Gigabit RJ45 uplink 2
SFP Mini-GBIC slots 2

This hybrid layout makes it ideal for connecting controllers, servers, and remote I/O across plant networks.

Performance Specifications

  • Switching capacity: up to 56 Gbps
  • Forwarding rate: 41.7 Mpps
  • MAC address table: 16,000 entries
  • Jumbo frame support: up to 9216 bytes
  • Stackable up to 8 switches

Management & Protocol Support

Supports enterprise-grade network management:

  • Web GUI / CLI / SNMP v1-v3
  • RMON monitoring
  • IEEE 802.1Q VLAN
  • IEEE 802.1p QoS
  • STP / RSTP redundancy
  • IGMP snooping & port mirroring
  • LACP link aggregation

Power & Environment

  • Input power: 100–240 VAC
  • Typical consumption: ~47 W
  • Operating temperature: 0–50 °C
  • Humidity: 5–95% non-condensing

Typical Applications

The P0973BK is commonly used for:

  • DCS network backbone switching
  • Control room to field network integration
  • Redundant plant Ethernet rings
  • Industrial SCADA infrastructure
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