KPC3 PLUS Problem - Digital Forum at eHam.net

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eHam.net Forum : Digital : KPC3 PLUS Problem

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KPC3 PLUS Problem	Reply
by WX7K on November 7, 2009	Mail this to a friend!
I have a KPC3+ which has been working flawlessly until last week. I did some antenna changes and shut the system down. When I brought it back up it worked for a while then I noted that the TNC and the computer weren't on speaking terms. After doing the usual rebooting and TNC reset I get the TNC log on when I turn it on. I can change parameters in the TNC. So it appears the TNC and computer are talking. However, when I connect either to another station or my mailbox, they don't talk to each other. I can't disconnect or shift into command mode. I know I am missing something basic, but I am scratching my head. Anyone have any ideas? Here is the setup: KPC3+ hooked to a Icom 28A and I'm running WINPAK. Thanks Newell

RE: KPC3 PLUS Problem	Reply
by NA4IT on November 7, 2009	Mail this to a friend!
OK, to get back to command mode, the normal command is "Ctrl+C" on the keyboard. With Winpack, you also have to hit ENTER after you do the command. When you reset it, did you disconnect power and remove the battery? Cheat note on removing the battery, don't. Slip a business card under the spring that holds the battery down. Also, make sure it is in INTFACE TERMINAL. de NA4IT

RE: KPC3 PLUS Problem	Reply
by WX7K on November 8, 2009	Mail this to a friend!
NA4IT, During this troubleshooting phase I replaced the battery since I got it used and had no idea how old it was. I did switch it back to INTFACE TERMINAL. I have tried using the enter key. When I connected to my own mailbox in the past I could disconnecdt by simply entering the B command. Now when I am in my maiolbox it will not recognize any of the mailbox cmmands. It seems like once I am connected the TNC no longer recognizes commands from the terminal program. That is the confusing part. I can seem to communicate with it normally until I connect with something. 73 Newell

RE: KPC3 PLUS Problem	Reply
by NA4IT on November 8, 2009	Mail this to a friend!
I have sent your last post to my local KPC3 guru...we'll see what he says... de NA4IT

RE: KPC3 PLUS Problem	Reply
by NA4IT on November 9, 2009	Mail this to a friend!
My guru has entered his think tank... in the meantime, he suggests doing a "Restore D" and put it in INTFACE NEWUSER and see if the simple commands will work then when you do a connect. de NA4IT

RE: KPC3 PLUS Problem	Reply
by WX7K on November 10, 2009	Mail this to a friend!
OK. Did the RESTORE D and INTFACE NEWUSER. Here is what I got when I tried to reboot and verify NEWUSER: KANTRONICS KPC3P VERSION 8.3 (C) COPYRIGHT 1998 BY KANTRONICS INC. ALL RIGHTS RESERVED. DUPLICATION PROHIBITED WITHOUT PERMISSION OF KANTRONICS. cmd:intface intfae $ EH? cmd:intface intfae $ EH? cmd:intface intfacdintface intface $ EH? cmd: cmd:intface intface INTFACE NEWUSER I also had trouble entering my call sign: cmd:mycall mycall MYCALL ****** cmd:mycall wx7k mycalh x7k $ EH? cmd:mycall wx7k mycall wx'k mycall wx7k mycall gx7k $ Input ignored cmd:mycall wx7k mycall g7k cmd:mycall wx7k mycall gx6k cmd:mycall wx7k mycalh wx7k $ EH? cmd:mycall wx7k mycall wx7k It took several tries. You can see that the difference between the commands I send and the results I get it would appear that communication between my computer and TNC are getting garbled. The question is, is it in the computer, the TNC, or the software. I have even replaced the keyboard to make sure it wasn't the source of the problem. Still frustrated. Newell

RE: KPC3 PLUS Problem	Reply
by WX7K on November 10, 2009	Mail this to a friend!
OK. I updated the software from WINPAK 6.5 to WINPAK 6.8. When I booted up this is what I got: (C) COPYRIGHT 1998 BY KANTRONICS INC. ALL RIGHTS RESERVED. DUPLICATION PROHIBITED WITHOUT PERMISSION OF KANTRONICS. cmd:my my MYCALL PBB cmd:my wx7k my wx'k cmd:my wx7k my wx'k cmd:my wx7k my wx'k cmd:my wx7k my wx'k cmd:my wx7k my wx7k Commands still being garbled. When i did a connect to my mailbox I still couldn't disconnect or get back to command mode. It is beginning to look more and more like I have a TNC problem, don't it? 73 Newell

RE: KPC3 PLUS Problem	Reply
by W4PC on November 13, 2009	Mail this to a friend!
Try using our emcomm ops demo software in host mode. If that fails, then you know you have a hardware issue. Its looks more like a old style serial port IRQ issue, but if you're using a USB to serial interface it could be the driver for the interface needs to be updated. Ive had so many hams blame the TNC or software for problems, when the issue is the driver may for the USB to serial interface may hgave a bug in it. That's why you want to get an updated driver. http://www.cssincorp.com/Emcomm_Ops.html

RE: KPC3 PLUS Problem	Reply
by NA4IT on November 13, 2009	Mail this to a friend!
I agree with CSS. You might want to try it on another computer. It could be serial port in the computer, USB to serial adapter, or something in the TNC. de NA4IT

RE: KPC3 PLUS Problem	Reply
by WX7K on November 15, 2009	Mail this to a friend!
OK, here is the scoop. I downloaded the Kam trial version and it talks to the TNC until I connect and then no more communication. I have the following setup: VHF packet connected through a USB-serial adapter (COM 4) and a pactor station set up through a regular serial port (COM 1). I swapped the two so that VHF packet was using the serial port on COM 1 and the pactor going to the USB adapter on COM 4. Still no packet but pactor functioned normally. In my view I believe I have eliminated the problem being in the computer, cabling, or software. I am now convinced the problem is in the TNC. So the next question, has anyone had any experience sending these back to Kantronics? Is there some other place to send them? I have seen the KPC3+ for sale aroung $100 so, is it worth sending it back or should I just get another one? Thanks. Newell

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