Foxboro A2H254-16 Ethernet Switch

Overview

The Foxboro A2H254-16 is a SecureStack A2 Fast Ethernet Switch originally developed by Enterasys. Due to its reliability and industrial-grade performance, it's often deployed under the Foxboro (Invensys) name within Distributed Control Systems (DCS). This switch suits enterprise networks, control rooms, and data centers requiring robust and scalable Layer 2 Ethernet switching. It supports flexible fiber and copper connectivity and offers advanced management features, making it ideal for high-performance, mission-critical applications.

Technical Specifications

Port Configuration

• 8 × 10/100Base-T RJ-45 copper Ethernet ports

• 8 × 100Base-FX MT-RJ multimode fiber optic ports

• 2 × 10/100/1000Base-T RJ-45 uplink/stacking ports

• 2 × 1000Base-X SFP uplink ports (Mini-GBIC compatible)

Switching & Performance

• Switching Capacity: 56 Gbps

• Forwarding Rate: 41.7 Mpps

• MAC Address Table: 16,000 entries

• Jumbo Frame Support: Up to 9216 bytes

• Auto-Negotiation: Enabled on all ports

Management & Features

• Interfaces: Web GUI, CLI, SNMP v1/v2c/v3, RMON

• VLAN Support: IEEE 802.1Q, up to 4K VLANs

• Quality of Service (QoS): IEEE 802.1p traffic prioritization

• Redundancy: STP and RSTP

• Link Aggregation: LACP support

• Monitoring: IGMP snooping, port mirroring

• Stacking: Up to 8 switches with centralized control

Hardware Specs

• Processor: MPC8241 @ 266 MHz

• Memory: 128 MB SDRAM

• Flash Storage: 16 MB

Power & Environmental

• Input Voltage: 100–240V AC, 50–60 Hz

• Power Consumption: Approximately 47 W

• Operating Temperature: 0°C to 50°C (32°F to 122°F)

• Storage Temperature: -40°C to 70°C (-40°F to 158°F)

• Humidity: 5% to 95%, non-condensing

Physical Characteristics

• Dimensions: 44.1 cm (W) × 4.4 cm (H) × 36.85 cm (D)

• Weight: 4.3 kg

• Mounting: 1U, 19-inch rack-mountable

Network Protocols

• Management Protocols: SNMP v1/v2c/v3, Telnet, HTTP, RMON

• Routing Protocol: IGMP for multicast group management