This unmanaged industrial 6-port 10/100Base-Tx + 2-port 100Base-FX switch features daisy-chain (add-drop) connection topology for network configuration flexibility. Designed to function at temperatures ranging from -20 °C to 60°C (-4°F to 140°F), the ET6121 switch provides worry-free operation in industrial applications with redundant power inputs and an output alarm relay in case of power failure.

The switch complies with the IEC61000-6-2 EMC standard for an industrial environment and offers wall or DIN-rail mounting options. These Ethernet switches are all quality assured and manufactured in the OT Systems' ISO 9001 certified facility.