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General Electric IS42yESWAH4A Industrial Ethernet Switches
Core Hardware and Port Configuration
Port Combination: 8 x 10/100Base-TX RJ45 copper ports + 1 x 100Base-LX10 single-mode fiber optic LC port; supports HP-MDIX auto-sequencing, 10/100M auto-negotiation, full/half-duplex negotiation, and IEEE 802.3x flow control; the RJ45 copper ports are withstand 200 mating cycles.
Buffer and Address: 256KB buffer, 4K MAC address table, non-blocking full-switching architecture, ensuring low-latency transmission of real-time control data.
Power Supply and Installation: 24-28VDC redundant power input (diode OR protection), supports hot-swapping; DIN rail mounting requires dedicated clips (259B2451BVP1 for parallel rails, BVP2 for vertical rails).
Fiber optic characteristics: 100Base-LX10 single-mode LC port, transmission distance up to 10km, suitable for long-distance cross-factory communication; requires GE dedicated IR SFP single-mode optical module.
Key Technical Parameters Table
Parameter Value
Model IS420ESWAH4A (Mark VIe ESWA IONet Switch)
Compatible Systems Mark VIe/Mark VIeS (Turbine Control, SIS Safety Systems)
Operating Temperature -40℃ to +70℃; Storage -40℃ to +85℃
Certifications Class 1 Div 2, ATEX, CE/UL; G3 Compliant; Compatible with SIS Systems IEC 61508 SIL 3
Environmental Standards IEEE 802.3, 802.3u, 802.3x
Diagnostics Port-level LEDs (Power, Link, Activity, Speed/Duplex), ControlST Remote Network Status View
Installation Method Standard DIN rail mounting, natural convection cooling, fanless
Email: xmxblynn@163.com
Phone: +86 18059884797
Redundancy and Safety Features
Power Redundancy: Dual 24-28VDC inputs, diode OR protection, hot-swappable replacement, avoiding single-point-of-failure power supply.
Harsh Environment Resistance: Metal casing, strong EMC performance, suitable for power plants, petrochemical plants, and other environments with strong electromagnetic interference and vibration shock.
Explosion-proof Compliance: Class 1 Div 2/ATEX certified, can be deployed in control cabinets in hazardous areas, and meets SIS system safety requirements.
Typical Applications and Deployment Recommendations
Long-distance Single-mode Fiber Backbone Access: Single-mode fiber optic ports connect to the IONet long-distance backbone, while copper cable ports connect to local I/O modules and controllers; compared to multimode fiber H1A/H2A, it is suitable for cross-plant, long-distance (≤10km) communication scenarios.
Turbine Unit Remote Monitoring Network: The remote communication layer for the Mark VIeS TMR system of gas/steam turbines, connecting remote vibration/displacement modules, safety controllers, and operator stations.
Inter-factory interference-resistant link: Single-mode fiber optic transmission replaces copper cables, avoiding strong electromagnetic interference within the factory area, suitable for long-distance control network interconnection across factories.
Spare parts upgrade: Directly replaces old single-mode fiber optic switches, improving long-distance transmission capabilities; no configuration changes are required during replacement, plug and play.
Email: xmxblynn@163.com
Phone: +86 18059884797
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