... as industrial class, IP30 protection grade, wave pattern aluminum casing, 35mm DIN rail installation, DC (9-36) V, widely power ... grade, wave pattern aluminum enhance case, adopt standard industrial 35mm Din Rail installation.[Specifications]Electrical Interface:Ø 9-pin Sub_D, ... or rate adaptive.pcs Comark Industrial profibus hub repeater with three DP ports for siemens plc application ci-pp30