Getting Started®DriveRack® User Manual2Section 1 220iIEC Power Cord ReceptacleThe DriveRack 220i comes with a power supply that will accept voltages ranging from 100V-120V at frequencies from 50Hz-60Hz. An IEC cord is included. EU version accepts 220V-240Vat frequencies from 50Hz-60Hz.PC ConnectionThis DB-9 type null modem connection is used to send and receive information to and fromthe GUI interface.RS485 Zone Control Input (RJ-45 connector type)This input connection is used to send information and power to the ZC wall controllers.Inputs 1-2The input section of the DriveRack 220i offers two electronically balanced XLR connectorsmic/line inputs with Phantom Power.Outputs 1-2The output section of the DriveRack 220i offers two electronically balanced XLR connectors. Inaddition, the 220i offers Euroblock input connector options.Signal/Clip LEDThis LED is used to indicate microphone signal input or clip.Mic Gain ControlThis knob is used to set the input gain for the microphone input.Line/Mic SelectorThis switch is used to select either a line or microphone input.1.1 - Rear Panel