30The Major Components of Your StationThis section describes the basic components needed for your packet radio station andthe connections between components that will be involved in the installation of yourstation.The KPC-3 PlusYour KPC-3 Plus is going to be at the center of your packet radio station, so setting upyour station involves connecting other units to your KPC-3 Plus.As shown below, the back of the unit has connectors to connect the KPC-3 Plus to yourtransceiver, your computer (or a GPS device), and a power source:Back PanelRadio Port Computer Port Power JackDSUB-9 female DSUB-25 female 2.1 mmRadio Port This DSUB-9 female connector accepts the cable from yourradio, for 1200 baud packet operation.Computer This DSUB-25 female connector accepts the cable from yourcomputer serial port. The KPC-3 Plus communicates withRS232 levels using standard ASCII characters for allcommands.Power jack (2.1 mm) This connector is provided to apply external power (6 to 25 Vdc) to the KPC-3 Plus. The center post is the positiveconnection and the sleeve is negative (ground).Note: All Kantronics‘ TNC's can operate without the computer being connected, oncethey have been configured. For example, you can receive and store messages in the