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Kantronics KPC–3 Plus User Manual
Also see for KPC-3 Plus: User guideUser guideManual
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142KISS ModeAmateur packet radio communications can use the TCP/IP suite of protocols instead ofAX.25 by switching to KISS mode and running software that supports the KISS codedesigned by Phil Karn (see references at end of this section). The KISS protocolspecifies the communication between a TNC and a host (e.g., computer).KISS Mode allows the TNC to act as a modem and packet assembler/ disassembler(PAD). In KISS Mode, data processing is shifted from the TNC to a computer runningspecial software supporting the KISS code designed by Phil Karn. KISS code supportshigher level protocols (i.e. TCP/IP) for sharing computer resources in a network fashion.Examples of TCP/IP programs are NET, NOS, and JNOS. Also, some networkingsoftware (G8BPQ) requires the KISS Mode of operation.Technical Note: In the KISS Mode, the TNC simply passes all received data to yourcomputer, and the computer program is responsible for all processing of that data,including decisions concerning routing, digipeating, and other control decisions. TheTNC converts the packets of synchronous data being received from the radio link intopackets of asynchronous data to be passed to the computer over the serial port, andconverts the packets of asynchronous data from your computer into the synchronousformat suitable for radio transmission. The TNC retains the responsibility of determiningproper timing for channel access.To place your TNC in KISS Mode, you must first have the command prompt (cmd:).Then type INTFACE KISS and press return. And, finally, do a RESET.After that you will not see any message or any prompt back from the TNC, it will now bein KISS mode.If you turn your unit off while it is it INTERFACE KISS mode, it will still be in KISS modewhen you turn it back on. To get out of KISS mode, either:perform a hard reset, oruse the TCP/IP command (available in KISS software while in KISS mode), orsend the C0 FF C0 sequence from your keyboard.To send the C0 FF C0 sequence from your keyboard (using a PC compatiblecomputer):1. Press and HOLD the ALT key. Type the numbers 192 from the numericKEYPAD, not the keyboard. Release the ALT key.2. Press and HOLD the ALT key. Type the numbers 255 from the numericKEYPAD, not the keyboard. Release the ALT key.3. Press and HOLD the ALT key. Type the numbers 192 from the numericKEYPAD, not the keyboard. Release the ALT key. |
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