ENTERASYS A4H124-24FX P0973JN Fast Network Switch
| Model Number | A4H124-24FX P0973JN |
| Brand | ENTERASYS (Extreme Networks) |
| Type | Managed Ethernet Switch (Layer 3, Fiber-Optics Focused) |
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Zhangzhou Fengyun Electrical Equipment Co.LTD
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Description
ENTERASYS A4H124-24FX P0973JN Fast Network Switch
ENTERASYS A4H124-24FX P0973JN: High-Density Managed Ethernet Switch for Industrial Fiber Networking
In the rapidly evolving landscape of industrial connectivity, the ENTERASYS A4H124-24FX P0973JN stands as a cutting-edge managed Ethernet switch designed to meet the most demanding needs of industrial automation, smart grids, and large-scale infrastructure projects. Engineered by Extreme Networks under the Enterasys brand, this switch combines 24 SFP fiber ports with robust Layer 3 routing capabilities, making it ideal for high-bandwidth, long-haul industrial networks where reliability, security, and scalability are non-negotiable. The A4H124-24FX model, paired with the P0973JN power supply, delivers unparalleled performance in harsh environments, ensuring seamless communication between distributed sites, remote sensors, and central control systems.
As a Layer 3 managed switch, the A4H124-24FX P0973JN supports advanced routing protocols (e.g., OSPF, BGP), IPv4/IPv6 dual-stack operation, and dynamic VLANs, enabling efficient traffic segmentation and optimization in complex Industrial IoT (IIoT) ecosystems. Its rugged design, compliant with EN 50155 (railway) and EN 61850-3 (power utilities), ensures operation in extreme temperatures (-40°C to 75°C), high vibration, and electromagnetic interference (EMI)-prone environments. With enterprise-grade security features and redundant power capabilities, this switch is a cornerstone for industries requiring uninterrupted, secure connectivity across vast geographic areas.
| Label | Specification |
|---|---|
| Model Number | A4H124-24FX P0973JN |
| Brand | ENTERASYS (Extreme Networks) |
| Type | Managed Ethernet Switch (Layer 3, Fiber-Optics Focused) |
| Ports | 24 x SFP fiber ports (1000BASE-SX/LX/ZX) 2 x 10/100/1000BASE-T Gigabit Ethernet ports (for copper connectivity) |
| Power Supply | P0973JN (100-240 VAC, 50/60 Hz; supports dual power inputs) |
| Operating Temperature | -40°C to 75°C |
| MTBF | >800,000 hours |
| Dimensions | 440 mm x 43.6 mm x 320 mm (1U rack-mountable) |
| Security Features | IEEE 802.1X, MAC filtering, ACLs, SNMPv3, SSL/TLS, SSH, IP Source Guard |
| Routing Protocols | OSPFv2/v3, BGP, RIP, EIGRP, static routing |
| QoS | IEEE 802.1p/q, DSCP marking, traffic shaping, priority queues (8 queues per port) |
| Management | WebUI, CLI (SSH/Telnet), SNMPv3, ExtremeXOS, REST API, NetSight Network Management |
| Certifications | CE, UL, FCC, EN 50155, EN 61850-3, IEC 61000-6-2/4, RoHS |
Functional Strengths & Design Advantages
The ENTERASYS A4H124-24FX P0973JN is built for industrial resilience and scalability. Its 24 SFP ports enable high-density fiber optic connectivity, supporting long-distance data transmission (up to 80 km with single-mode fiber) while resisting EMI—a critical feature for utility networks, oil & gas pipelines, and rail systems. The switch’s dual power inputs (AC/DC optional) ensure redundancy, preventing downtime from power failures, while the P0973JN power supply includes surge protection and wide voltage tolerance (90-264 VAC).
From a networking perspective, the switch excels in Layer 3 routing and quality of service (QoS), prioritizing real-time data such as SCADA commands, video surveillance feeds, and VoIP communications. Its flow-based forwarding architecture delivers wire-speed performance across all ports, minimizing latency and jitter in high-traffic environments. The switch also supports advanced features like Link Aggregation Control Protocol (LACP) for bandwidth aggregation and fault tolerance, and IGMP snooping for efficient multicast management in video streaming applications.
Security is deeply integrated, with features like port security, dynamic ARP inspection, and encrypted management interfaces (SNMPv3, HTTPS) to protect against cyber threats. This aligns with industry standards like IEC 62443, making it suitable for secure industrial control networks (ICNs) and critical infrastructure.
Industrial Use Cases & Value Scenarios
In power generation and distribution, the A4H124-24FX P0973JN serves as a backbone switch for smart grids, connecting remote substations, renewable energy farms, and control centers via fiber optics. Its long-range SFP ports and rugged design withstand harsh outdoor conditions, while Layer 3 routing ensures efficient data flow between geographically dispersed sites. In rail and mass transit, the switch powers train-to-ground communication systems, enabling real-time passenger information, predictive maintenance data, and security camera feeds—all while complying with EN 50155 standards for vibration and temperature.
For large-scale manufacturing campuses, the switch provides high-density fiber connectivity between production facilities, warehouses, and administrative offices. Its QoS capabilities ensure that automated guided vehicles (AGVs), robotics, and IoT sensors receive priority bandwidth, while VLAN segmentation isolates sensitive OT (operational technology) networks from IT systems. Across industries, the switch solves challenges like:
- Long-Distance Connectivity: Fiber ports eliminate signal degradation over kilometers, ideal for remote monitoring.
- Harsh Environment Operation: Rugged hardware ensures reliability in extreme temperatures, shocks, and EMI.
- Scalable Security: Advanced features protect against cyber attacks as industrial networks grow more interconnected.
Compatible and Related Models
- ENTERASYS A4H124-12FX P0973HN – 12 SFP port variant for smaller-scale fiber networks.
- ENTERASYS A4H248-24FX P0973KP – 48 SFP port model for ultra-high-density fiber applications.
- ENTERASYS A4H124-24FX-DC P0973JN-DC – DC-powered version (24-60 VDC) for industrial automation and marine systems.
- ENTERASYS A4H124-24FX-EXT – Extended temperature model (-40°C to 85°C) for offshore platforms and mining sites.
- ENTERASYS A4H124-24FX-Lite – Layer 2-only variant for basic fiber connectivity needs.
Setup & Service Guidance
Installation involves rack-mounting the switch in a weatherproof or industrial-grade cabinet. Key steps include:
- Fiber Cabling: Use armored single-mode or multi-mode fiber optic cables based on distance and bandwidth requirements.
- Power Redundancy: Connect two P0973JN power supplies (or a mix of AC/DC) for failover protection.
- Network Configuration: Use ExtremeXOS or NetSight to configure OSPF routing, VLANs, and QoS policies. For large networks, deploy BGP for inter-domain routing.
For maintenance:
- Fiber Optic Cleaning: Regularly clean SFP ports and transceivers to prevent dust-induced signal loss.
- Firmware Management: Schedule quarterly firmware updates to address security vulnerabilities and add new features.
- Link Diagnostics: Use the switch’s built-in tools to monitor fiber link health, including optical power levels and error rates.
- Environmental Audits: In high-vibration settings (e.g., railways), inspect mounting brackets and cable ties for looseness.
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