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GE IS420ESWAH2A Ethernet Switch Assembly Module

The GE IS420ESWAH2A, also cataloged as the IS420ESWAH2A Ethernet Switch Assembly Module, operates as a dedicated hardware component for managed Ethernet communication routing within the GE Mark VIe turbine control system. It provides physical network switching between controllers, I/O packs, and operator interface devices.

Hardware Specifications

Parameter	Specification
Model	IS420ESWAH2A
Brand	GE
Origin	United States
Weight	0.45 kg
Operating Temp	-30 to +65 deg C
Power Consumption	Powered by 24 VDC nominal supply
Product Type	Ethernet Switch Assembly Modules
System Platform	GE Mark VIe Speedtronic Control System
Switch Type	Managed industrial Ethernet switch
Ethernet Ports	8 x 10/100 Mbps RJ-45 ports
Supported Protocols	TCP/IP, Modbus TCP, GE proprietary I/O bus
Redundancy Features	Dual power supply inputs and redundant communication paths
Mounting Method	DIN rail or panel mounting
PCB Protection	Conformal coating for dust and humidity resistance
Humidity Range	5-95% non-condensing

GE Mark VIe Industrial Ethernet Communication Characteristics

The IS420ESWAH2A provides managed Ethernet switching functions for Mark VIe deterministic network architectures. The module supports Ethernet communication paths between controller assemblies, distributed I/O packs, and operator interface systems through configured network connections.

The switch assembly supports industrial control network expansion through Ethernet port density scaling and redundant communication path management. Firmware flash compatibility allows the module to maintain supported configuration functions within the Mark VIe platform.

Network traffic handling includes TCP/IP, Modbus TCP, and GE proprietary I/O bus communication protocols. Dual power inputs and redundant communication structures provide continuous network connectivity during configured fault conditions.

Frequently Asked Questions

Q: How many Ethernet ports are available on the IS420ESWAH2A?
A: The module provides 8 RJ-45 Ethernet ports supporting 10/100 Mbps communication.

Q: What power supply configuration does the IS420ESWAH2A support?
A: The switch assembly operates with a 24 VDC nominal supply and supports dual power supply inputs for redundant configurations.

Q: Can the IS420ESWAH2A communicate with Mark VIe I/O packs?
A: Yes. The module provides Ethernet switching between Mark VIe controllers, I/O packs, and connected operator interface devices.

Field Installation Guidelines

Install the IS420ESWAH2A on the designated DIN rail or panel mounting location inside the Mark VIe control cabinet. Verify that Ethernet cables are connected to the correct network ports according to the cabinet wiring documentation.

Use industrial Ethernet cables with appropriate shielding and maintain separation between communication wiring and high-voltage power conductors. Connect cable shields according to the site grounding standard to reduce electromagnetic interference.

Verify 24 VDC power polarity before energizing the module. Confirm Ethernet link status, communication paths, and controller network recognition through the Mark VIe diagnostic interface before system operation.

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