Pinout and internal circuit for 52-6509
Connect a 52-6585A pushbutton module to a 52-6509A GPIO push button module
The 52-7481B Central Power Rack 1U is equipped with 4 D-sub connectors which carry status signals for each 52-7482A power supply unit. These D-sub connectors can be connected directly (1:1) to 52-6509A GPIO modules. Usually these will be built into a Q-Panel.