Description

GE IS420ESWBH5A Ethernet Switch Module

The GE IS420ESWBH5A, also cataloged as the IS420ESWBH5A Ethernet Switch Module, operates as a dedicated hardware component for managed network communication within the GE Mark VIe Speedtronic control system. The module provides Ethernet switching between controllers, I/O packs, and HMIs through copper and fiber communication interfaces.

Hardware Specifications

Parameter	Specification
Model	IS420ESWBH5A
Brand	GE
Origin	United States
Weight	0.5 kg
Operating Temp	-30 to 65 deg C
Product Type	Ethernet Switch Modules
Series	Mark VIe Speedtronic Control System
Network Role	Managed Ethernet switch for turbine control networks
Ports	8 x 10/100Base-TX RJ-45 ports + 2 x 100Base-FX fiber ports
Switching Capacity	2.0 Gbps non-blocking throughput
Protocol Support	IEEE 802.3, IEEE 802.3u, IEEE 802.3x flow control, VLAN, SNMP
Redundancy Support	Simplex and redundant Mark VIe architectures
Diagnostics	LED link/activity indicators and built-in self-test
Isolation	Optical/electrical isolation for EMI protection
Power Supply	28 VDC nominal, 18-32 VDC range
Mounting	Standard Mark VIe rack slot
Humidity Tolerance	5%-95% non-condensing
Storage Temperature	-40 to 85 deg C

Deterministic Industrial Network Communication Characteristics

The IS420ESWBH5A provides managed Ethernet switching functions for GE Mark VIe control networks. The module supports deterministic data exchange between controller nodes, I/O packs, and operator interface devices through copper and fiber Ethernet ports.

The Ethernet switch design incorporates industrial network functions including Ethernet/IP deterministic network compatibility, backplane communication integration, and firmware flash compatibility within supported Mark VIe hardware configurations. VLAN and SNMP support provide network segmentation and diagnostic access for system communication management.

Optical/electrical isolation separates communication interfaces from external electrical interference sources, supporting stable signal transmission in industrial control cabinets.

Frequently Asked Questions

Q: What Ethernet interfaces are available on the IS420ESWBH5A?
A: The module provides 8 copper RJ-45 Ethernet ports supporting 10/100Base-TX and 2 fiber ports supporting 100Base-FX communication.

Q: Does the IS420ESWBH5A support redundant Mark VIe network configurations?
A: Yes. The module supports simplex and redundant network architectures used within GE Mark VIe control systems.

Q: What diagnostic functions are available on the Ethernet switch module?
A: The module provides LED indicators for link and activity status along with built-in self-test functions.

Field Installation Guidelines

Install the IS420ESWBH5A in the assigned GE Mark VIe rack position and verify proper mechanical connection before applying the 28 VDC supply.

Route Ethernet cables separately from high-voltage power conductors to minimize electromagnetic interference. Use appropriate shielded cables and grounding practices based on the cabinet network design. Fiber connections should be installed with proper connector protection and bend radius control.

Verify network port assignments, VLAN configuration, and controller communication settings before system startup. Confirm link status indicators and diagnostic information after installation.

Specifications

• Brand: General Electric

Advantages

• High reliability in industrial environments
• Supports continuous operation
• Compatible with major PLC/DCS systems