The EDS-505A/508A are standalone 5 and 8-port managed Ethernet switches. With their advanced Turbo Ring and Turbo Chain technology (recovery time < 20 ms), RSTP/STP, and MSTP support the EDS-505A/508A switches increase the reliability and availability of your industrial Ethernet network. Models with an wide operating temperature range of -40 to 75°C are also available, and the switches support advanced management and security features, making the EDS-505A/508A switches suitable for any harsh industrial environment.