GE IS420ESWAH3A

IS420ESWAH3A is an IONet Ethernet Switch developed by GE and is part of the General Electric Speedtronic Mark VIe gas turbine control systems. It uses Achilles-certified controllers and current Fieldbus technology to meet NERC version 5 Protection Reliability Standards for Critical Infrastructure. The component has eight ports with 10/100BASE-TX capability. It's one of numerous Ethernet switch models available for use with the Mark VIe system. It features a conformal coating and is suitable for usage in hazardous environments. The machine can function in temperatures ranging from -40 to 158 degrees Fahrenheit.

IS420ESWAH3A Features
Compatibility with 802.3, 802.3u, and 802.3x
10/100 base copper with auto-negotiation
Full/half duplex auto-negotiation
100 Mbps FX uplink port
HP-MDIX auto-sensing
Link Presence, Activity, Duplex, and Speed per port LEDs (each LED has two colors)
Power LED
256 KB buffer with 4K media access control (MAC) addresses
Flow Control
Flow control between switches is supported by the switch. It receives and honors pause packets using IEEE defined pause packets. The switch only sends pause packets if a port requires flow control.

IONet Ethernet Switch Reliability and Performance
Because high reliability is critical in the controls solutions industry, the switch has a Mean Time Between Failure (MTBF) of more than 4 million hours at 35°C (95 °F) ambient temperature, ground fixed controlled environment.

Product Attributes
Mounting

The switch enclosure can be panel mounted (the switch is bracket mounted to the back wall of the panel) or DIN-rail mounted.
DIN-rail mounting satisfies vibration and shock requirements.
Both mounting types allow for easy access to user connections.
Dimensions
138 x 86 x 56 mm (5.45 x 3.40 x 2.20 in)

Power connection
Supports two redundant diode-OR’d power supply inputs of 18 to 36 V dc

Cooling
Convection cooled when mounted vertically or horizontally

Coating
Resistant to corrosion with provisions made for grounding per IEC 60721-3-3 Class 3C2

Operating temperature
-30 to 65°C (-22 to 149 °F)

Shipping, storage temperature
-40 to 85°C (-40 to 185 °F)

Humidity
Operates in a 5 to 95% relative humidity, non-condensing environment without any external temperature or humidity excursions

Seismic Vibration
Meets Universal Building Code (UBC)

Diagnostics
Link presence, activity and duplex, and port speed LEDs have two colors that indicate their status.

LED One

Full Duplex activity is indicated by a green flash.
Yellow flashes for activity at Half Duplex
LED Two

Green indicates a link and 100 Mb.
Yellow indicates a link and 10 Mb.
No link = no led lit
IS420ESWAH3A Benefits
Longer availability of parts for future network expansion
Backward compatibility with legacy systems
Improved performance for real-time control systems
IS420ESWAH3A Conformance Criteria
IEEE 1588 timing can be used to synchronize packet traffic and trigger it to begin within a 1-microsecond packet start window. The following four criteria are used to assess capability and conformance:

Starting the required Multicast packet load on a single port without negotiating IEEE 802.3x flow control
Begin the required Multicast packet load on a single port, with IEEE 802.3x flow control negotiated
Initiation of the required Multicast packet load distributed across all ports, with no IEEE 802.3x flow control.
Start the required packet Multicast load across all ports; packet count per port must average 200 per number of switch ports, with IEEE 802.3x flow control negotiated on half of the ports.