[Xastir] TNC

[Tim Schall]

Blah.  Bring PBI some real German beer.
----- Original Message ----- 
From: "Bob Donnell" <kd7nm at pugetsound.net>
To: <xastir at xastir.org>
Sent: Sunday, February 25, 2007 8:37 PM
Subject: Re: [Xastir] TNC


Hi Ray,

>From the first of 1990 until March 1994, I worked in AEA's customer support
group.

A PK-90 is a PK-87 with firmware that adds capabilities useful for business
applications.  At this time I know of no source for anything like last
edition PK-90/87 firmware.

It is possible to modify a PK-87 to work as a PK-88, but doing so involves
very serious modification of the circuit board, to allow converting to a
32kbyte RAM memory IC.  AEA had a service bulletin that told how to
accomplish this.  Again, I'm not aware of a source for that service
bulletin.

I am in Germany for a few days, so I do not have access to my support files
at home.  To put the PK-90 into KISS mode, may require the equivalent
process to putting early PK-232 TNC's into KISS, which involves 13
commands sent in sequence.  If you can locate that list on the web, you
should be able to use it to put the PK-90 into KISS moe.  If somehow your
PK-90 has firmware dated after December 1988 (I think!)  you may be able
to simply use the command "KISS ON".  If you enter that command, and do
not receive a CMD: prompt, your TNC is probably in KISS model.  If a CMD:
response is seen, you need to enter the other commands.

73, and good luck!

Bob, KD7NM


On Friday 23 February 2007 11:24, Ray Wells wrote:
> Curt, WE7U wrote:
> >On Fri, 23 Feb 2007, Ray Wells wrote:
> >>Has anyone on this list had anything to do with a PK90 TNC? Afriend
> >> has just acquired one and is looking for info, latest EPROM images,
> >> how to get it into and out of KISS, etc.
> >
> >I have several PK-88's plus a couple of manuals.  They may be
> >similar enough that one could glean a bit from the PK-88 info.  Let
> >me know if this might help you and I'll dig one out.  Saw a manual
> >within the last couple of days.
> >
> >There's another resource that may be very helpful, a friend nearby
> >that used to work at AEA.  Actually I guess I know several people
> >that used to work there but one in particular might know the answers
> >off the top of his head.  He might not be available on the lists for
> >a bit depending on how busy he is, but I think he monitors this
> >list:  Bob, kd7nm.
> >
> >BTW:  AEA used to be just down the freeway another couple of exits
> >from where I sit now.
> >
> >--
> >Curt, WE7U.   APRS Client Comparisons: http://www.eskimo.com/~archer
> >"Lotto:    A tax on people who are bad at math." -- unknown
> >"Windows:  Microsoft's tax on computer illiterates." -- WE7U
> >"The world DOES revolve around me:  I picked the coordinate system!"
>
> Thanks Curt,
>
> My friend would appreciate any information.
>
> Ray vk2tv
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