IS420ESWAH5A Industrial Ethernet /IONet Switches
GE’s productline of industrial, unmanaged Ethernet 10/100 switches, ESWA and ESWB,
are specifically designed to meet the needs of real-time industrial control solutions and are
required for all IONet switches used in a Mark* VIe and Mark VIeS Safety control system. To
meet the requirements for speed and functionality, the following features are provided:
• 802.3, 802.3u, and 802.3x compatibility
• 10/100 base copper with auto negotiation
• Full/half duplex auto-negotiation
• 100 Mbps FX uplink port
• HP-MDIX auto sensing
• LEDs to indicate status of Link Presence, Activity and Duplex, and Speed per port (each
LED has two colors)
• LED to indicate power status
• Minimum 256 KB buffer with 4 K media access control (MAC) addresses
• Redundant power supply inputs (Diode-OR’d)
The GE Ethernet/IONet switches are available in two hardware forms: ESWA and ESWB.
Each hardware form is available in five versions (H1A through H5A)that vary in fiberoptic port configuration options, which include no fiber ports, multi-mode fiber ports,
or single-mode (longer distance) fiber ports. Refer to the IS420ESWAH#A IONet Switch
Specifications table and the IS420ESWBH#A IONet Switch Specifications table for these
fiber option details.