Interfacing to the KE-USB36 Trackball HeaderThe KE-USB36 features an interface connector which acceptsoptical signals from a device such as a Spinner or a Trackball.Power is suppliedto the trackballinterface from theKE-USB36 for 5volt operation only.This interface iscompatible with themost popular activeor passive Trackballs and Spinners currently on the market.The Trackball header mates with the Hagstrom Electronics KE-TBH3 interface cable (see Accessories page of this manual).In addition, the user may create their own cable using the pinassignments as shown below.Figure 7 - The KE-USB36 Trackball interface connector.The connector features 8 pins spaced at .100” centers.Figure 8 - Trackball Interface signal assignments.Note: Do not supply any power into the Trackball interface connector.AS8A1 = Y axis signal5V = Power for Y axisGND = Ground for Y axisB1 = Y axis signalA2 = X axis signal5V = Power for X axisGND = Ground for X axisB2 = X axis signalpNa