Switching on the K3 Remotely

[Berni G0IDA-2]

Hi,

I would like to run my K3 remotely and was wondering how can I switch it
on remotely, is there a way of doing this, perhaps by sending a sequence
of bytes on the serial port?

Regards,

Berni
G0IDA
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[Dick Dievendorff]

When the K3 is off it won't respond to serial port commands to turn itself
on.

You should use an external device (a relay or logic) to pull a pin low on
the K3 back panel 15-pin accessory connector that will turn power on.

See the K3 Owner's reference (Revision D6), page 18 for the pinout of the
ACC (accessory I/O connector), especially pin 8, and the description on page
44, "Remote Control of the K3", "Remote Power On/Off". Your external control
device needs to ground the Accessory I/O pin 8, "POWER ON".

73 de Dick, K6KR


>I would like to run my K3 remotely and was wondering how can I switch it
>on remotely, is there a way of doing this, perhaps by sending a sequence
>of bytes on the serial port?

>Regards,

>Berni
>G0IDA

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[Iain MacDonnell - N6ML-2]

I've modified all my simple resistor+NPN-transistor FSK interfaces to
add a third "line" (another resistor and transistor) that pulls ACC
pin 8 to ground when DTR on the serial port goes high. I've been using
this utility:

http://www.hw-group.com/products/hercules/index_en.html

to flip the DTR bit...

    ~Iain / N6ML


On Mon, Mar 1, 2010 at 7:57 PM, Dick Dievendorff <[hidden email]> wrote:

> When the K3 is off it won't respond to serial port commands to turn itself
> on.
>
> You should use an external device (a relay or logic) to pull a pin low on
> the K3 back panel 15-pin accessory connector that will turn power on.
>
> See the K3 Owner's reference (Revision D6), page 18 for the pinout of the
> ACC (accessory I/O connector), especially pin 8, and the description on page
> 44, "Remote Control of the K3", "Remote Power On/Off". Your external control
> device needs to ground the Accessory I/O pin 8, "POWER ON".
>
> 73 de Dick, K6KR
>
>
>>I would like to run my K3 remotely and was wondering how can I switch it
>>on remotely, is there a way of doing this, perhaps by sending a sequence
>>of bytes on the serial port?
>
>>Regards,
>
>>Berni
>>G0IDA
>
> ______________________________________________________________
> 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
>

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[Cookie]

You have the DTR and RTL on the serial connector.  If you are not using them for something else, like keying you could use one of them to control a relay to toggle the pin on the accessory connector.
 Willis 'Cookie' Cooke
K5EWJ




________________________________
From: Dick Dievendorff <[hidden email]>
To: [hidden email]
Sent: Mon, March 1, 2010 1:57:57 PM
Subject: Re: [Elecraft] Switching on the K3 Remotely

When the K3 is off it won't respond to serial port commands to turn itself
on.

You should use an external device (a relay or logic) to pull a pin low on
the K3 back panel 15-pin accessory connector that will turn power on.

See the K3 Owner's reference (Revision D6), page 18 for the pinout of the
ACC (accessory I/O connector), especially pin 8, and the description on page
44, "Remote Control of the K3", "Remote Power On/Off". Your external control
device needs to ground the Accessory I/O pin 8, "POWER ON".

73 de Dick, K6KR


>I would like to run my K3 remotely and was wondering how can I switch it
>on remotely, is there a way of doing this, perhaps by sending a sequence
>of bytes on the serial port?

>Regards,

>Berni
>G0IDA

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[alsopb]

Guys,

Have a built SoftRock Lite II FS - $35 shipped via mail in US.
(I ordered two because I usually loose parts.)

Tested as a 8.2 MHz RX.

To use it, you will need to add two Radio Shack isolation transformers,
a Clifton Labs U-10000 buffer amp and enclosure.

Also included is a 20 page MS WORD write-up on what I had to do to make
it work with ROCKY panadapter software, the SKIMMER CW decoder and N1MM
Logger.

73 de Brian/K3KO

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