Manufacture: Siemens Type: Industrial Ethernet Model:SCALANCE X400 MNR: 6GK5 492-2AL00-8AA2 Family: SIMATIC NET No. of electrical connections: 2 No. of optical interfaces: 2 Design of the optical interface: SC Operating Temperature: -40 … +70 °C Protection Class: IP20 Dimensions: 35 x 145 x 90 mm