... standard industrial 35mm Din Rail installation.[Specifications]Electrical Interface:Ø 9-pin Sub_D, socket connector, definition of pins conform to ... P/NSeriesDescriptionUniteCi-pf111 electrical port, 1 optical port 1 channel standard Profibus DP port, 1 channel optical port, DIP switch set ... channels independent Profibus DP ports, 1 channel optical port, DIP switch set rate and rate adaptive optional, ...