Product Overview
The Enterasys A2H124-24-RH is a high-performance, fully managed Layer 3 industrial Ethernet switch designed for mission-critical infrastructure in harsh environments. As part of the A2H SmartEdge series, this switch is specifically engineered to provide robust and reliable networking capabilities for demanding applications. It features 24 ports, combining both copper and fiber interfaces, making it versatile for various network architectures. The switch is particularly valuable for its ability to operate in extreme temperatures and its compliance with railway standards (EN 50155), making it ideal for transportation and industrial applications.
Technical Specifications
| Parameter | Value |
|---|---|
| Product Model | Enterasys A2H124-24-RH |
| Manufacturer | Enterasys Networks |
| Product Type | Managed Layer 3 Industrial Ethernet Switch |
| Copper Ports | 16 x 10/100BASE-TX (RJ45, auto-MDI/MDIX) |
| Fiber Ports | 8 x 100BASE-FX (SC connectors, 2km reach) |
| Switching Capacity | 12.8 Gbps |
| Forwarding Rate | 9.6 Mpps |
| Power Input | 24-240VDC/85-264VAC (dual redundant) |
| Protection | IP54, 8kV surge protection |
| Operating Temp | -40°C to +75°C |
| Certifications | UL 60950, EN 50121-4, DNV GL |
| Dimensions | 440x44x330mm (19″ rack mountable) |
| Weight | 5.2kg |
Key Features and Benefits
The Enterasys A2H124-24-RH delivers several key features that make it a standout choice for industrial and transportation networks. Its ruggedized design ensures reliability in harsh environments, with an IP54-rated housing and protection against salt fog corrosion. The switch supports dynamic routing protocols (DRP) and offers deterministic latency of less than 5μs, making it ideal for power substation automation systems. Additionally, its modular power design supports dual redundant power supplies, ensuring uninterrupted operation in critical applications.
The switch also features advanced traffic engineering capabilities, including hardware-based Time-Aware Shaping (TAS) that meets IEEE 802.1Qbv standards for precise synchronization in applications such as automotive assembly lines. Its 8-layer hierarchical QoS prioritizes critical traffic, ensuring smooth operation in smart grid applications. Furthermore, the switch’s front-facing SD card slot allows for easy configuration backups, facilitating rapid disaster recovery in demanding environments.
Application Scenarios
The Enterasys A2H124-24-RH is highly adaptable and can be deployed across various industries. In the energy sector, it is used for IEC 61850-3 compliant substation automation networks, ensuring reliable communication in power substations. In transportation, the switch is certified to EN 50155 standards, making it suitable for train control systems that require high reliability and performance. In heavy industry, it supports blast furnace sensor networks with Class I Div 2 certification, protecting against electromagnetic interference in steel mills. Additionally, in the maritime industry, the switch is DNV GL-approved for offshore platform communication, ensuring robust performance in harsh marine environments.
Related Models
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A2H124-24FX P0973BJ: A variant with 24 fiber ports, suitable for applications requiring extensive fiber connectivity.
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Hirschmann MM3-2FXM2/2TX1: A complementary industrial Ethernet switching module for environments needing additional fiber and copper interfaces.
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STK-RPS-150PS P0973BP: An automatic control module that can be used in conjunction with the A2H124-24-RH for enhanced redundancy.
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Industrial Ethernet switch IS420ESWBH3A Mark VIe: A security control system switch suitable for environments requiring high security and reliability.
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516TX 336A4940DNP516TX: An industrial network switch that can be used in conjunction with the A2H124-24-RH for expanded network capacity.
Installation and Maintenance
When preparing to install the Enterasys A2H124-24-RH, ensure that the grounding resistance is less than 1Ω, especially in Class I Div 2 areas. Use Enterasys-approved C3X-2000CX cables for fiber connections exceeding 1.5km in dusty environments. For maintenance, perform quarterly dielectric testing on power terminals using a Fluke 1587 FC insulation tester. Rotate redundant power supplies every 6 months to equalize capacitor aging and utilize the built-in BER (Bit Error Rate) tester for proactive fiber link quality monitoring in railway tunnel installations.
Product Warranty
Enterasys provides a 12-month extended warranty for the Enterasys A2H124-24-RH, including free lifetime access to firmware security patches. Each unit undergoes rigorous testing, including 1,000-hour thermal shock cycling (-40°C↔+85°C) and 50g mechanical shock testing (MIL-STD-202G), ensuring high reliability. The company offers 24/7 technical support, guaranteeing a 2-hour response for critical infrastructure failures, with optional on-site cryptographic key rotation services for IEC 62443 compliance.
| Enterasys | B3G124-24P | Expansion rack |
| Enterasys | 7k4290-02 | Network communication module |
| Enterasys | A2H123-24-RH | DCS spare parts |
| Enterasys | A2H124-24 | PLC central processing unit |
| Enterasys | 7H4284-49 | DO module |
| Enterasys | 7H4382-25 | Control processor |
| Enterasys | 7H4382-49 | Switch quantity input card |
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