1. General Description

The ESWB Series 16-Port IONet Industrial Ethernet Switch is a rugged, non-managed Ethernet switch designed specifically for GE Mark VIe control systems.
It provides high-speed, deterministic Ethernet connectivity between Mark VIe controllers and distributed I/O modules, supporting redundant fiber uplinks and meeting the stringent reliability requirements of real-time industrial control networks.

2. Port Configuration

Copper Ethernet ports:

16 × 10/100Base-TX RJ45

Auto-negotiation and auto-MDIX supported

Fiber Ethernet ports:

2 × 100Base-FX multimode

LC connectors

Fixed 100 Mbps transmission rate

3. Network Performance

Electrical ports: 10 / 100 Mbps adaptive

Optical ports: 100 Mbps fixed

Non-blocking switching architecture optimized for real-time data forwarding

4. Redundancy and System Architecture

Dual fiber ports support redundant fiber uplinks

Enables redundant communication paths between:

Mark VIe controllers (e.g., UCVH series)

I/O modules (PCAA, PAIC, etc.)

Fully compatible with:

Simplex

Dual

TMR (Triple Modular Redundancy) system architectures

5. Electrical Specifications

Power supply:

Typical: 24 / 28 VDC

Compatible range: 9–16 VDC

Redundant power input supported for increased availability

6. Environmental Specifications

Operating temperature: −40 ℃ to +70 ℃

Storage temperature: −40 ℃ to +85 ℃

Designed for harsh industrial environments

7. Mechanical Specifications

Dimensions: 162 mm × 115 mm × 72 mm

Mounting: DIN-rail installation

Weight: approx. 1.1 – 1.6 kg

Protection class: IP20 (control cabinet installation)

8. Switching Features

Standards compliance:

IEEE 802.3

IEEE 802.3u

IEEE 802.3x (flow control)

MAC address table: 4K entries

Packet buffer: 256 KB

Automatic MDIX on all copper ports

9. Status Indication

LED indicators for:

Power status

Port link/activity

Speed (10/100 Mbps)

Duplex mode

Enables rapid network status verification and fault localization

10. Certifications and Compliance

Hazardous location certifications:

Class 2 Zone 2

Class 1 Division 2

ATEX

G3 compliance (corrosive gas environments)

Suitable for deployment in power plants and heavy-industry sites

11. Core Functions

Provides high-speed Ethernet forwarding for:

Real-time control data

Diagnostic and system status information

Dual fiber uplinks ensure:

Long-distance communication

High network availability

Ensures deterministic performance and high reliability for Mark VIe IONet networks

12. Typical Applications

GE Mark VIe gas turbine control systems

Steam turbine and large compressor control systems

Local I/O network expansion

Remote I/O communication over fiber

Redundant Ethernet interconnection with DCS systems

Industrial environments requiring high network stability and real-time performance

GE IS420ESWBH2A｜Ethernet/IONet Switches ｜