Description
1. Product Title
Enterasys A4H254-8F8T-P0973JP – Managed Layer 2 Industrial Ethernet Switch
2. Product Overview
The Enterasys A4H254-8F8T-P0973JP is a high-performance managed Ethernet switch designed for industrial automation, enterprise networking, and data-intensive control systems. As part of the A4 series, it delivers reliable Layer 2 switching with a balanced combination of copper and fiber interfaces, enabling flexible network architectures.
The A4H254-8F8T-P0973JP supports deterministic communication, advanced traffic prioritization, and secure network segmentation, making it suitable for integrating PLCs, DCS systems, and SCADA platforms. Its industrial-grade design ensures stable operation in demanding environments where network availability and real-time data exchange are critical.
3. Technical Specifications
- Brand: Enterasys (Extreme Networks)
- Model: A4H254-8F8T-P0973JP
- Warranty: One Year
- Condition: 100% New & Original
- Type: Managed Layer 2 Ethernet Switch
Network & Ports:
- Copper Ports: 8 × 10/100/1000Base-T (RJ45)
- Fiber Ports: 8 × 100/1000Base-X SFP slots
- Switching Capacity: Up to 24–32 Gbps (non-blocking)
- Forwarding Rate: Up to ~23.8 Mpps
- MAC Address Table: 16K entries
- VLAN Support: Up to 4094 VLANs (IEEE 802.1Q)
Management & Protocols:
- Web-based GUI, CLI (Telnet/SSH), SNMP
- Protocols: STP, RSTP, MSTP, LACP, IGMP Snooping
- QoS with multiple priority queues (802.1p/DSCP)
Security Features:
- 802.1X authentication, RADIUS, TACACS+
- Access Control Lists (ACLs)
- Port security and DHCP snooping
Physical & Electrical:
- Mounting: 19-inch rack (1U form factor)
- Power Supply: 100–240 VAC, auto-ranging
- Power Consumption: ~40–60 W
Environmental:
- Operating Temperature: 0°C to 40°C
- Industrial-grade design for continuous operation
4. Key Features & Benefits
- Hybrid Fiber & Copper Connectivity:
Combines RJ45 and SFP ports, enabling flexible integration across plant networks and long-distance fiber links. - Advanced Layer 2 Switching:
Supports VLAN segmentation, QoS, and multicast handling for optimized traffic management in control systems. - Enterprise-Level Security:
Built-in authentication and access control features protect industrial networks from unauthorized access. - Stackable & Scalable Architecture:
Supports stacking of multiple switches to create a unified, high-capacity network backbone. - Industrial Reliability:
Designed for stable performance in automation environments with high EMI and continuous operation requirements.
5. Application Scenarios
- Industrial Automation Networks:
Acts as a core or distribution switch connecting PLCs, HMIs, and SCADA systems. - Power & Utility Infrastructure:
Provides reliable communication for protection relays, substation automation, and control systems. - Enterprise & Data Center Networks:
Used for aggregation and backbone switching in campus or industrial IT/OT convergence environments.
6. Frequently Asked Questions (FAQ)
- Q: What is the primary function of the A4H254-8F8T-P0973JP?
A: It is a managed Ethernet switch that provides secure, high-speed data communication between industrial and enterprise network devices. - Q: Does A4H254-8F8T-P0973JP support fiber connectivity?
A: Yes, it includes multiple SFP fiber ports, allowing long-distance and interference-resistant communication.
