D25User's Manual GE Grid Solutions126 994-0081-3.00-21 GE InformationConfiguring Radio Keying OptionConfiguringRadio KeyingOptionThe IED/RTC board (Revision 7) includes a configuration jumper that can beused to enable or disable the Serial XCOM Radio Keying option.Procedure:Option ChangeSteps to access and change the JP1 option jumper on IED/RTC module:Step Action1 Remove the shelf plate as described in the procedure on page 124.2 Locate the jumper JP1 on the IED/RTC module you are using,referring to the following diagram.3 Remove the JP1 jumper by pulling it straight up from its pins.4 Reposition the jumper over the desired pins.Jumper JP1 pins 1 – 2 to enable radio keyingJumper JP1 pins 2 – 3 to disable radio keying5 Push the jumper straight down onto the two pins6 Replace the shelf plate into the D25 enclosure.IED/RTC CardLayoutDiagramJP1 – RadioKeyingEnable/Disable