Re: TNC3

[Bernard Pidoux <pidoux@ccr.jussieu.fr>]

Hi Peter,


Your info is absolutely right.

However, you should put your TNC into kiss mode manually i.e. using a 
terminal program to instruct it to change into kiss mode (see the TNC3S 
manual).

Communicating with the terminal program through serial port with TNC is 
only possible if AX25 driver is NOT loaded.

Then the order of operation is :

Enter into your terminal program.
Choose the appropriate port and speed.
Reboot your TNC3S in order to make it detect your serial port speed when 
pressing ENTER key (autobaud routine when TNC powerer up).

Type the commands :

INTFACE TERM  and press return

At this point you can monitor incoming traffic on both ports.


INTFACE KISS and press return
RESET        and press return


Now your TNC is in kiss mode and you cannot communicate any more via the 
terminal program. You will only see garbage on the screen.

You can now load the AX25 mkiss driver and continue with AX25 
applications.


Note ; since I did not perform these commands for years (I left my TNC2 
in KISS mode forever) I may have forgotten the syntax) I do not remember 
the name of Linux simple serial communication program...

73 de Bernard, f6bvp


Peter wrote:
> Hi
> 
> I'am looking for support to get a TNC3S with 2 modem working
> With standard kissattach I got modem 1 on the air.
> 
> In the ax25 how-to I found:
> If you have a dual port tnc and it is connected to
> your /dev/ttyS0 serial device at 9600 bps,
> the command:
> /usr/sbin/mkiss -s 9600 /dev/ttyS0 /dev/ptyp0 /dev/ptyp1
> /usr/sbin/kissattach /dev/ttyp0 port1
> /usr/sbin/kissattach /dev/ttyp1 port2
> 
> But none of the modem do work
> Who has a TNC3S running ?
> 
> Peter
> PC2A
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