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Technical specifications for IS420ESWBH3A
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Manufacturer:General Electric
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Product Category:Gas Turbine Control
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Spare Part Number:IS420ESWBH3A
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Estimated shipping dimensions:20×9.5×5.7cm
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Weight:0.72 kg
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Tariff Code:8537101190
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Counliy of origin:USA
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Copper Ethernet ports:16 × RJ45, 10/100Base-TX
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Fiber ports:0
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Switch management:Unmanaged
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Link negotiation:10/100 Mbps; full/half duplex
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Automatic crossover:HP-MDIX
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Ethernet compatibility:IEEE 802.3, 802.3u, 802.3x
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Power input:24/28 V DC, 1 A maximum
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Redundant feeds:TB1 and TB2, diode-ORed
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Minimum packet buffer:256 KB
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MAC address capacity:4 K
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Copper cable:Cat 5e UTP, RJ45 (8P8C)
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Cooling:Natural convection
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Operating temperature:−40–70 °C
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Storage temperature:−40–85 °C
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Mounting:DIN rail, separate orientation-specific clip
Information
Overview
Manuals
Common Applications
Product Precautions
General Electric IS420ESWBH3A provides a copper Ethernet communication path between control processors and I/O equipment in a Mark VIe network.
- Negotiates 10/100 Mbps speed and full/half duplex on copper links.
- Supports HP-MDIX automatic crossover sensing.
- Accepts two independent DC sources through diode-ORed power inputs.
- Displays per-port link, activity, duplex and speed status.
The switch is convection cooled and mounts with an orientation-specific DIN-rail clip. Network connections should retain their assigned IONet topology, while separate power feeds should be checked independently during commissioning.
Important Notice: Confirm that the installation requires copper-only H3A hardware. Preserve every network assignment and verify communication after reconnecting the switch.
General Electric IS420ESWBH3A Manuals & Downloads
General Electric IS420ESWBH3A Manufacturer Technical Reference — Selected Pages (PDF)General Electric IS420ESWBH3A Installation & Commissioning Guide (PDF)
Use the technical reference for ratings and interface details, and the field guide for installation sequence, commissioning and fault isolation.
Mark VIe IONet
Provides the Ethernet switching path within an engineered controller-to-I/O network.
Copper-only panels
Concentrates sixteen RJ45 connections where no optical uplink is required.
Redundant DC arrangements
Accepts two independent supply paths through separate terminal inputs.
Industrial cabinet networking
Uses convection cooling and DIN-rail mounting for installation in a control cabinet.
Installation and service checks for General Electric IS420ESWBH3A.
1
Identify all copper cable destinations before disconnecting the existing switch.
2
Confirm the replacement is the H3A configuration with no fiber interfaces.
3
Isolate both DC power feeds before wiring the power connectors.
4
Use the correct ESWB mounting clip for the selected rail orientation.
5
Route Cat 5e UTP cables without stressing the RJ45 connectors.
6
Keep convection paths clear and assess the actual local ambient temperature.
7
Verify each supply input independently where redundant power is used.
8
Confirm port status and controller-to-I/O communication before returning control.
Technical notes
Check link indication separately from end-to-end IONet communication. A lit Ethernet link confirms the physical connection but does not prove that the controller is exchanging valid data with the intended I/O equipment.
FAQ View All FAQ
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Does IS420ESWBH3A include a fiber uplink?No. The H3A configuration has sixteen 10/100Base-TX copper RJ45 ports and no fiber ports. A fiber cable cannot be connected directly to this version.
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How do the two power terminals on IS420ESWBH3A provide redundancy?TB1 and TB2 accept independent DC sources that are diode-ORed internally. Each source path should be verified separately when redundant power is required.
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Must a crossover cable be selected for an IS420ESWBH3A copper connection?The switch supports HP-MDIX automatic sensing and uses Cat 5e UTP cables with RJ45 connectors. Verify the negotiated link after making the connection.
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Which link characteristics can IS420ESWBH3A negotiate automatically?The copper interfaces negotiate 10 or 100 Mbps and full or half duplex. Connected equipment must establish a compatible operating mode.
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What can the port LEDs on IS420ESWBH3A reveal during fault isolation?The two-color port indicators show link presence, activity, duplex and speed. Compare the indication with the expected connected device before investigating higher-level communication.
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Why does DIN-rail orientation affect the mounting clip for IS420ESWBH3A?The ESWB form uses clip 259B2451BVP1 when its long edge is parallel to the rail and clip 259B2451BVP4 when perpendicular. The clip is ordered separately.
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How much packet buffering and address storage does IS420ESWBH3A provide?The switch provides a minimum 256 KB packet buffer and supports 4 K MAC addresses. These resources support Ethernet frame forwarding within the network.
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Is forced-air cooling required by the IS420ESWBH3A design?The switch uses natural convection and is rated for −40 to 70 °C ambient operation. Installation must preserve airflow and avoid local heating that exceeds this limit.
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