Operator’s Manual DC1048 Integrated Audio Management Page 15Rear Panel Controls, Connections and Indicators1: Mains Power Inlet and Power SwitchThe mains fuse is also located here, between the switch and the power socket –only replace with the correct rated fuse.2: RS485 ConnectionTo connect a network of DC1048 units, or to include this unit on a network ofother devices, use this connection. The pin-out of this connector is:Pin 1: Data A (+)Pin 2: Data B (-)Pin 3: Shield/GroundThe procedure for setting up a remote network is explained in detail starting onpage 34 of this manual.3: GPI PortThis port offers a set of input and output connections designed for use with theWP-1048 touch remote, or for connection to other third party remote controlinterfaces, to allow for closed contact preset recall.4: Balanced Audio OutputsThe analogue outputs are wired as:Pin 1: Signal Hot (+)Pin 2: Signal Cold (-)Pin 3: Shield/Ground5: Balanced Audio InputsThe analogue inputs are wired as:Pin 1: Signal Hot(+)Pin 2: Signal Cold (-)Pin 3: Shield/Groundtax Serial No:0000001DC104890V-240V AC50 - 60Hz 30WBALANCED OUTPUTSWARNING: THIS EQUIPMENT MUST BE EARTHED.DO NOT EXPOSE TO RAIN OR MOISTURE.1 2 3 4 5 6 7 8 9 10GPIO PORT1-4: OUTPUT5-8: INPUTS9: +5V / 10: CHASSIS GND11 - 12: ISOLATED GNDCAUTION! SHOCK HAZARD.DO NOT REMOVE COVERS.RS485 ABCD12345678BALANCED INPUTSMANUFACTURED INTHE UK BY tax11 12INSTALLATION AUDIO MANAGEMENTDC10482 3 41 5