KIO3B Digital I/O assembly

[Michael Blake]

I am not sure how many of you have noticed the warnings in the K3s and P3 manual to NOT plug a USB B connector into the 8P8C modular jack lableled “RS232/P3” on the rear of the K3s.  This is a VERY important warning but only if you read it prior to inserting the USB cable (twice) into the RS232/P3 jack on the KIO3B.

It was the very first plug I inserted after completing my kit while looking over the radio from the front.  I did it twice because it did not seem to fit correctly:). I did not realize that I had “squished” it for a couple of weeks as I had not tried to use the jack.

Since this little bugger (KIO3B Digital I/O Assy E850646) costs $98, believe it or not, I want to repair my existing board after the replacement arrives tomorrow.  If I did it once I will probably do it again.

My problem is that there are dozens of similar jacks and I need to find the correct manufacturer, part number and source for this particular 8P8C circuit board mounted modular jack. I have the tools and the skills but I lack the correct part.

If anyone from Elecraft could provide me with the proper replacement jack information I would be very grateful.


Very 73 - Mike - K9JRI





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[Iain MacDonnell - N6ML-2]

Ugh! I hope you didn't blow anything by shorting pins together with
the shield of the USB plug!

73,

    ~iain / N6ML



On Thu, Mar 15, 2018 at 1:18 PM, Michael Blake <[hidden email]> wrote:
> I am not sure how many of you have noticed the warnings in the K3s and P3 manual to NOT plug a USB B connector into the 8P8C modular jack lableled “RS232/P3” on the rear of the K3s.  This is a VERY important warning but only if you read it prior to inserting the USB cable (twice) into the RS232/P3 jack on the KIO3B.
>
> It was the very first plug I inserted after completing my kit while looking over the radio from the front.  I did it twice because it did not seem to fit correctly:). I did not realize that I had “squished” it for a couple of weeks as I had not tried to use the jack.
>
> Since this little bugger (KIO3B Digital I/O Assy E850646) costs $98, believe it or not, I want to repair my existing board after the replacement arrives tomorrow.  If I did it once I will probably do it again.
>
> My problem is that there are dozens of similar jacks and I need to find the correct manufacturer, part number and source for this particular 8P8C circuit board mounted modular jack. I have the tools and the skills but I lack the correct part.
>
> If anyone from Elecraft could provide me with the proper replacement jack information I would be very grateful.
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[Michael Blake]

I received this response today.  Thanks Keith!

Hi Mike;
We should have these sockets;
Elecraft part # E620328  CONN, JACK, RJ-45, SHIELDED

Feel free to post this, I get the Digest mode and it is awkward to reply to a single post.

PS, It is a common mistake, I have a stack of boards here that I repaired once we got the part in.
If the radio is on, sometimes it blows the KIO3B main board, an expensive mistake!
One can look into the socket, all the pins should be all the way down and all should be even.
Keith WE6R

Michael Blake
[hidden email] <mailto:[hidden email]>

> On Mar 15, 2018, at 4:18 PM, Michael Blake <[hidden email]> wrote:
>
> I am not sure how many of you have noticed the warnings in the K3s and P3 manual to NOT plug a USB B connector into the 8P8C modular jack lableled “RS232/P3” on the rear of the K3s.  This is a VERY important warning but only if you read it prior to inserting the USB cable (twice) into the RS232/P3 jack on the KIO3B.
>
> It was the very first plug I inserted after completing my kit while looking over the radio from the front.  I did it twice because it did not seem to fit correctly:). I did not realize that I had “squished” it for a couple of weeks as I had not tried to use the jack.
>
> Since this little bugger (KIO3B Digital I/O Assy E850646) costs $98, believe it or not, I want to repair my existing board after the replacement arrives tomorrow.  If I did it once I will probably do it again.
>
> My problem is that there are dozens of similar jacks and I need to find the correct manufacturer, part number and source for this particular 8P8C circuit board mounted modular jack. I have the tools and the skills but I lack the correct part.
>
> If anyone from Elecraft could provide me with the proper replacement jack information I would be very grateful.
>
>
> Very 73 - Mike - K9JRI
>
>
>
>
>
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>
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> Please help support this email list: http://www.qsl.net/donate.html
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[Jim Shepherd]

Having also hit the wrong hole while attaching cables from in front of the
radio, unless you have totally messed up the contacts, they can be teased
back into position with the careful use of a dental pick. BE SURE to
disconnect the power cable before attempting this repair...no telling what
damage could be caused by shorting a couple of the contacts together while
doing this repair... YMMV.

73 Jim W6US

---------- Forwarded message ----------
From: Michael Blake <[hidden email]>
To: Elecraft Mailing List <[hidden email]>
Cc:
Bcc:
Date: Thu, 15 Mar 2018 16:18:41 -0400
Subject: [Elecraft] KIO3B Digital I/O assembly
I am not sure how many of you have noticed the warnings in the K3s and P3
manual to NOT plug a USB B connector into the 8P8C modular jack lableled
“RS232/P3” on the rear of the K3s.  This is a VERY important warning but
only if you read it prior to inserting the USB cable (twice) into the
RS232/P3 jack on the KIO3B.

It was the very first plug I inserted after completing my kit while looking
over the radio from the front.  I did it twice because it did not seem to
fit correctly:). I did not realize that I had “squished” it for a couple of
weeks as I had not tried to use the jack.

Since this little bugger (KIO3B Digital I/O Assy E850646) costs $98,
believe it or not, I want to repair my existing board after the replacement
arrives tomorrow.  If I did it once I will probably do it again.

My problem is that there are dozens of similar jacks and I need to find the
correct manufacturer, part number and source for this particular 8P8C
circuit board mounted modular jack. I have the tools and the skills but I
lack the correct part.

If anyone from Elecraft could provide me with the proper replacement jack
information I would be very grateful.


Very 73 - Mike - K9JRI
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