GE’s product line 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:
IS420ESWAH#A
• 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)

IS420ESWAH3A