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Phone：+86 17062388866Description
The ENTERASYS A4H124-4FX P0973JN is a ruggedized industrial Ethernet switch from Extreme Networks’ (formerly Enterasys) A4H series, engineered for mission-critical automation networks. Designed to withstand harsh environments, this 24-port managed switch delivers deterministic connectivity with four 100BASE-FX multi-mode fiber ports for noise-immune backbone links and twenty 10/100BASE-TX copper ports supporting IEEE 802.3af PoE. The A4H124-4FX P0973JN features -40°C to +75°C operation, conformal-coated PCBs, and DIN-rail mounting for vibration-prone installations like factory floors or substations. Its Layer 2+ capabilities include Rapid Spanning Tree Protocol (RSTP), VLAN prioritization (IEEE 802.1Q), and IGMP snooping for real-time control traffic optimization. With dual redundant power inputs (24–48 V DC) and IP40-rated housing, the ENTERASYS A4H124-4FX ensures zero packet loss in SCADA, DCS, and MES networks while providing <50>
ENTERASYS A4H124-4FX P0973JN
Technical Specifications
| Parameter Name | Parameter Value |
| Product Model | A4H124-4FX P0973JN |
| Manufacturer | Enterasys (Extreme Networks) |
| Product Type | Industrial Managed Ethernet Switch |
| Copper Ports | 20× 10/100BASE-TX (RJ45) with PoE (802.3af) |
| Fiber Ports | 4× 100BASE-FX (Multi-mode SC) |
| Switching Capacity | 8.8 Gbps |
| Forwarding Rate | 6.55 Mpps |
| PoE Budget | 180W total (15.4W/port max) |
| Power Input | Dual 24–48 V DC (redundant) |
| Operating Temperature | -40°C to +75°C |
| Humidity Tolerance | 5–95% non-condensing |
| Shock/Vibration | 50g / 5g @ 10–150 Hz (IEC 60068-2) |
| Enclosure | IP40 metal housing, DIN-rail mount |
| Protocols | RSTP, VLAN, QoS, IGMPv3, SNMPv3 |
| Certifications | UL 61010, CE, FCC, RoHS |
| Dimensions | 135 mm × 160 mm × 105 mm (H×W×D) |
| Weight | 2.1 kg |
Main Features and Advantages
Deterministic Industrial Networking: The ENTERASYS A4H124-4FX P0973JN guarantees <10>
PoE-Powered Reliability: Delivers 15.4W per port to IP cameras, wireless APs, or HMI panels. Per-port power monitoring prevents overloads, while dual DC inputs ensure uptime during power transitions.
Cyber-Secure Architecture: Implements MACsec encryption (IEEE 802.1AE) on fiber links and role-based access control. Unauthorized device blocking via port security thwarts network intrusions.
Environmental Hardening: Zinc-die cast chassis dissipates heat without fans. Conformal coating protects against corrosive gases (H₂S/Cl₂) in petrochemical plants. -40°C cold-start capability for Arctic operations.
Application Areas
The ENTERASYS A4H124-4FX P0973JN excels in industrial control networks requiring deterministic data flow. In automotive manufacturing, its fiber ports connect robotic cells to PLCs while copper PoE powers vision inspection systems. Power substations deploy it for IEC 61850-3-compliant GOOSE messaging between protection relays. For water/wastewater treatment, the switch withstands humidity in MCC rooms while prioritizing pump VFD control traffic. Oil pipelines utilize its wide temperature range for RTU communications in unmanned valve stations. Food processing plants leverage IP40 sealing to resist washdown splashes.
Related Products
ENTERASYS A4H124-4TX P0973JM: Non-PoE variant with 4× copper uplinks
ENTERASYS I-SS-24-250-AC: 24-port PoE+ switch with Gigabit uplinks
ENTERASYS A4H110-2FX: Compact 10-port switch for space-limited installations
ENTERASYS 902-194: DIN-rail redundant power supply (24 V DC)
ENTERASYS FBR-100FX-SC: Media converter for fiber-to-copper extension
ENTERASYS VH-2402F: Industrial fiber patch panel
ENTERASYS A4H124-4FX P0973JN
Installation and Maintenance
Pre-installation preparation: Verify DC power source stability (±5%). Ground chassis to DIN rail with <1>
Maintenance recommendations: Monitor PoE utilization via SNMP; maintain <85>
