7TABLE OF CONTENTSContact Us: ............................................................................................................................................................................................... 2REVISIONS ............................................................................................................................................................................................. 3Warranty Registration ............................................................................................................................................................................ 4License Agreement ................................................................................................................................................................................... 5LIMITED WARRANTY ......................................................................................................................................................................... 9Return/Repair Procedures .................................................................................................................................................................... 12Radio Frequency Interference Statement ............................................................................................................................................. 14RFI Suppression ................................................................................................................................................................................... 15FCC Declaration of Conformity: ......................................................................................................................................................... 16Introduction ............................................................................................................................................................................................ 17Welcome .............................................................................................................................................................................................. 17Overview of This “User’s Guide” Manual ........................................................................................................................................... 17Major Uses of Your KPC-3 Plus.......................................................................................................................................................... 17Package Contents ................................................................................................................................................................................. 18Additional Parts for Your Packet Radio Station .................................................................................................................................. 18Our Assumptions about You ................................................................................................................................................................ 19Documentation Conventions ................................................................................................................................................................ 19Overview of Packet Radio ................................................................................................................................................................... 19.Inside a TNC – the KPC-3 Plus .......................................................................................................................................................... 26Inside a TNC – the KPC-3 Plus ........................................................................................................................................................... 27Installing Your KPC-3 Plus .................................................................................................................................................................. 29The Major Components of Your Station .............................................................................................................................................. 30Back Panel ........................................................................................................................................................................................... 30How the Parts of Your Station are Connected ..................................................................................................................................... 33Connect Your KPC-3 Plus to a Power Source ..................................................................................................................................... 34Connect your KPC-3 Plus to Your Computer ...................................................................................................................................... 36Configure Your KPC-3 Plus ................................................................................................................................................................ 39Connect the KPC-3 Plus to a Transceiver ............................................................................................................................................ 43Connecting to a GPS Device (Optional) .............................................................................................................................................. 53Getting Started ....................................................................................................................................................................................... 54The Front Panel of the KPC-3 Plus ...................................................................................................................................................... 55Beginning a Packet Session ................................................................................................................................................................. 55Giving Commands and Transmitting Data .......................................................................................................................................... 56NEWUSER Commands ....................................................................................................................................................................... 57Using NEWUSER Commands ............................................................................................................................................................. 59Connect to Your Mailbox .................................................................................................................................................................... 60Monitor Communications From Nearby Stations ................................................................................................................................ 61Communicate Directly with a Nearby Station ..................................................................................................................................... 62Modes of Operation ............................................................................................................................................................................... 64Packet Mode of Operation ................................................................................................................................................................... 64Remote Access to Your TNC............................................................................................................................................................... 74PBBS (Personal Mailbox) ...................................................................................................................................................................... 76GPS NMEA Interfacing ........................................................................................................................................................................ 91GPS Operations.................................................................................................................................................................................... 95KA-Node ............................................................................................................................................................................................... 104Introduction to Basic Packet Networking .......................................................................................................................................... 112K-Net Network node ............................................................................................................................................................................ 114K-Net Node Commands ..................................................................................................................................................................... 115WEFAX Mode ................................................................................................................................................................................... 137Other Modes of Operation ................................................................................................................................................................. 139Modem Mode ..................................................................................................................................................................................... 140Kantronics Host Mode Operation ...................................................................................................................................................... 141KISS Mode ........................................................................................................................................................................................ 142Command Reference .......................................................................................................................................................................... 146Introduction ........................................................................................................................................................................................ 146Commands ............................................................................................................................................................................................ 151