K2 - computer interface
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K2 - computer interface
 
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I used to connect (using HRD) my K2 to a laptop having serial ports using the specially configured cable (K2 > ATU > computer). Worked just fine.
Quite a few years ago I got the K3 and connected the K3 (using HRD) to a computer with no RS-232 ports using a Targus PA088E USB/RS-232 converter cable. Works fine and I kind of forgot about the K2. Now, recently I decided to try to connect (using HRD) the K2 using this Targus USB converter and cannot get HRD to connect. Should I be able to connect K2 to the computer (WIN7)? As stated it works just fine with the K3. I think there should be a lot of (happy) K2 owners who can help me! 73/OZ4UN Paul ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email] |
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From my memory with K2s, I need to construct a specific RS232 cable according the manual of KIO2. Then I used a USB/RS232 converter with that cable. It worked with the N1MM.
73 Johnny VR2XMC 寄件人︰ Poul Erik Karlshøj (PKA) <[hidden email]> 收件人︰ "[hidden email]" <[hidden email]> 傳送日期︰ 2015年04月29日 (週三) 10:09 PM 主題︰ [Elecraft] K2 - computer interface I used to connect (using HRD) my K2 to a laptop having serial ports using the specially configured cable (K2 > ATU > computer). Worked just fine. Quite a few years ago I got the K3 and connected the K3 (using HRD) to a computer with no RS-232 ports using a Targus PA088E USB/RS-232 converter cable. Works fine and I kind of forgot about the K2. Now, recently I decided to try to connect (using HRD) the K2 using this Targus USB converter and cannot get HRD to connect. Should I be able to connect K2 to the computer (WIN7)? As stated it works just fine with the K3. I think there should be a lot of (happy) K2 owners who can help me! 73/OZ4UN Paul ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email] ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email] |
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I mean P.13 of the KIO2 manual
73 Johnny VR2XMC 寄件人︰ Johnny Siu <[hidden email]> 收件人︰ Poul Erik Karlshøj (PKA) <[hidden email]>; "[hidden email]" <[hidden email]> 傳送日期︰ 2015年04月29日 (週三) 10:16 PM 主題︰ K2 - computer interface From my memory with K2s, I need to construct a specific RS232 cable according the manual of KIO2. Then I used a USB/RS232 converter with that cable. It worked with the N1MM. 73 Johnny VR2XMC 寄件人︰ Poul Erik Karlshøj (PKA) <[hidden email]> 收件人︰ "[hidden email]" <[hidden email]> 傳送日期︰ 2015年04月29日 (週三) 10:09 PM 主題︰ [Elecraft] K2 - computer interface I used to connect (using HRD) my K2 to a laptop having serial ports using the specially configured cable (K2 > ATU > computer). Worked just fine. Quite a few years ago I got the K3 and connected the K3 (using HRD) to a computer with no RS-232 ports using a Targus PA088E USB/RS-232 converter cable. Works fine and I kind of forgot about the K2. Now, recently I decided to try to connect (using HRD) the K2 using this Targus USB converter and cannot get HRD to connect. Should I be able to connect K2 to the computer (WIN7)? As stated it works just fine with the K3. I think there should be a lot of (happy) K2 owners who can help me! 73/OZ4UN Paul ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email] ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email] |
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In reply to this post by Poul Erik Karlshøj (PKA)-2
Paul,
Try another adapter, preferably one with the FTDI chipset. Many adapters do not like to run at the slower baud rate of the K2 (4800). I suspect that may be problem with your K2. Try an application other than HRD. HRD polls rapidly, so that may be part of the problem - although if you cannot even connect, I would believe the adapter is the problem unless something has happened to the K2 data port since the last time it was used. Try the tests given in the KIO2 manual to determine if the K2 interface is working. Even if you have the KPA100, try those tests - the TTL to RS-232 conversion in the KPA100 is the same as in the KIO2. 73, Don W3FPR On 4/29/2015 10:09 AM, Poul Erik Karlshøj (PKA) wrote: > I used to connect (using HRD) my K2 to a laptop having serial ports using the specially configured cable (K2 > ATU > computer). Worked just fine. > Quite a few years ago I got the K3 and connected the K3 (using HRD) to a computer with no RS-232 ports using a Targus PA088E USB/RS-232 converter cable. Works fine and I kind of forgot about the K2. > > Now, recently I decided to try to connect (using HRD) the K2 using this Targus USB converter and cannot get HRD to connect. > Should I be able to connect K2 to the computer (WIN7)? As stated it works just fine with the K3. > > I think there should be a lot of (happy) K2 owners who can help me! > > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email] |
Re: K2 - computer interface
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In reply to this post by Johnny Siu
Hi Johnny
Thanks for replying. Yes I remember that the cable is NOT an RS-232 cable, and I did make this cable myself and it worked fine on the laptop having a RS-232 port. However I recall earlier discussions about the use of USB/RS-232 converters and wonder if the problem is that the Targus PA088E does not work with the K2 (while it works fb with the K3). 73, Paul OZ4UN Fra: Johnny Siu [mailto:[hidden email]] Sendt: 29. april 2015 16:17 Til: Poul Erik Karlshøj (PKA); [hidden email] Emne: K2 - computer interface From my memory with K2s, I need to construct a specific RS232 cable according the manual of KIO2. Then I used a USB/RS232 converter with that cable. It worked with the N1MM. 73 Johnny VR2XMC ________________________________ 寄件人︰ Poul Erik Karlshøj (PKA) <[hidden email]<mailto:[hidden email]>> 收件人︰ "[hidden email]<mailto:[hidden email]>" <[hidden email]<mailto:[hidden email]>> 傳送日期︰ 2015年04月29日 (週三) 10:09 PM 主題︰ [Elecraft] K2 - computer interface I used to connect (using HRD) my K2 to a laptop having serial ports using the specially configured cable (K2 > ATU > computer). Worked just fine. Quite a few years ago I got the K3 and connected the K3 (using HRD) to a computer with no RS-232 ports using a Targus PA088E USB/RS-232 converter cable. Works fine and I kind of forgot about the K2. Now, recently I decided to try to connect (using HRD) the K2 using this Targus USB converter and cannot get HRD to connect. Should I be able to connect K2 to the computer (WIN7)? As stated it works just fine with the K3. I think there should be a lot of (happy) K2 owners who can help me! 73/OZ4UN Paul ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email]<mailto:[hidden email]> This list hosted by: http://www.qsl.net<http://www.qsl.net/> Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email]<mailto:[hidden email]> ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email] |
Re: K2 - computer interface
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In reply to this post by Don Wilhelm-4
Don,
I have done the test suggested in the KIO2 manual (hearing the sidetone - does that really check the SIO module?). The test went OK. And also I know that the K2 connected last time I tried on a computer with RS-232 port. I have tried to apply the 12V to the ATU either before or after applying 12V to the K2 (I seem to remember that there was an issue). I checked that the K3 will connect at either speed 4800 or 38400 bps with this USB converter, so don't suspect it's a speed issue. I have a KXUSB (which I assume is using the FTDI chipset), but I need info about how to connect the mini-jack (tip-ring-sleve) to a DB9 connector. Maybe you can help me? At least it's worth a try I think. 73, Paul OZ4UN -----Oprindelig meddelelse----- Fra: Don Wilhelm [mailto:[hidden email]] Sendt: 29. april 2015 16:54 Til: Poul Erik Karlshøj (PKA); [hidden email] Emne: Re: [Elecraft] K2 - computer interface Paul, Try another adapter, preferably one with the FTDI chipset. Many adapters do not like to run at the slower baud rate of the K2 (4800). I suspect that may be problem with your K2. Try an application other than HRD. HRD polls rapidly, so that may be part of the problem - although if you cannot even connect, I would believe the adapter is the problem unless something has happened to the K2 data port since the last time it was used. Try the tests given in the KIO2 manual to determine if the K2 interface is working. Even if you have the KPA100, try those tests - the TTL to RS-232 conversion in the KPA100 is the same as in the KIO2. 73, Don W3FPR On 4/29/2015 10:09 AM, Poul Erik Karlshøj (PKA) wrote: > I used to connect (using HRD) my K2 to a laptop having serial ports using the specially configured cable (K2 > ATU > computer). Worked just fine. > Quite a few years ago I got the K3 and connected the K3 (using HRD) to a computer with no RS-232 ports using a Targus PA088E USB/RS-232 converter cable. Works fine and I kind of forgot about the K2. > > Now, recently I decided to try to connect (using HRD) the K2 using this Targus USB converter and cannot get HRD to connect. > Should I be able to connect K2 to the computer (WIN7)? As stated it works just fine with the K3. > > I think there should be a lot of (happy) K2 owners who can help me! > > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email] |
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Just to make sure, did you use the special K2-computer cable in this setup? If not, then you probably need to replace some components in the KIO2 adapter board. The K2’s IO interface in NOT meant for RS-232 levels on all it’s lines. In fact only two of them can take the RS-232 levels. Make sure the K2 still operates properly at this point, the damage could have gone into the main microcontroller.
Jack Brindle, W6FB > On Apr 29, 2015, at 8:45 AM, Poul Erik Karlshøj (PKA) <[hidden email]> wrote: > > Don, > I have done the test suggested in the KIO2 manual (hearing the sidetone - does that really check the SIO module?). The test went OK. And also I know that the K2 connected last time I tried on a computer with RS-232 port. > I have tried to apply the 12V to the ATU either before or after applying 12V to the K2 (I seem to remember that there was an issue). > > I checked that the K3 will connect at either speed 4800 or 38400 bps with this USB converter, so don't suspect it's a speed issue. > > I have a KXUSB (which I assume is using the FTDI chipset), but I need info about how to connect the mini-jack (tip-ring-sleve) to a DB9 connector. Maybe you can help me? > At least it's worth a try I think. > > 73, Paul > OZ4UN > > -----Oprindelig meddelelse----- > Fra: Don Wilhelm [mailto:[hidden email]] > Sendt: 29. april 2015 16:54 > Til: Poul Erik Karlshøj (PKA); [hidden email] > Emne: Re: [Elecraft] K2 - computer interface > > Paul, > > Try another adapter, preferably one with the FTDI chipset. > Many adapters do not like to run at the slower baud rate of the K2 (4800). I suspect that may be problem with your K2. > Try an application other than HRD. HRD polls rapidly, so that may be part of the problem - although if you cannot even connect, I would believe the adapter is the problem unless something has happened to the > K2 data port since the last time it was used. > > Try the tests given in the KIO2 manual to determine if the K2 interface is working. Even if you have the KPA100, try those tests - the TTL to > RS-232 conversion in the KPA100 is the same as in the KIO2. > > 73, > Don W3FPR > > On 4/29/2015 10:09 AM, Poul Erik Karlshøj (PKA) wrote: >> I used to connect (using HRD) my K2 to a laptop having serial ports using the specially configured cable (K2 > ATU > computer). Worked just fine. >> Quite a few years ago I got the K3 and connected the K3 (using HRD) to a computer with no RS-232 ports using a Targus PA088E USB/RS-232 converter cable. Works fine and I kind of forgot about the K2. >> >> Now, recently I decided to try to connect (using HRD) the K2 using this Targus USB converter and cannot get HRD to connect. >> Should I be able to connect K2 to the computer (WIN7)? As stated it works just fine with the K3. >> >> I think there should be a lot of (happy) K2 owners who can help me! >> >> > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[hidden email] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to [hidden email] ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email] |
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