[GreenKeys] printing to KSR 28 was Re: OT: Radio Shack near bankruptcy

[Jack Hart]

I fried one of the Black Box gadgets, too.

By the way, there's always my "poor man's RS232 to loop converter"
that just uses a good old fashioned TTY polar relay. 
Wire the relay's coils in series and connect them to your PC's
RS232 RX line and GND. Then key your loop with the relay's contacts.
Works every time...

Jack K0TTY



-----Original Message-----
From: GreenKeys [mailto:greenkeys-bounces at mailman.qth.net] On Behalf Of
Jeffrey D Angus
Sent: Friday, November 14, 2014 8:59 PM
To: greenkeys at mailman.qth.net
Subject: Re: [GreenKeys] printing to KSR 28 was Re: OT: Radio Shack near
bankruptcy

On 11/14/2014 8:48 PM, Jack Hart wrote:
> The Black Box units are usually only good for 30VDC
I just said 65 V, I think Jack's right about it being 30 V.
I remember frying the first one I hooked up to the Lorenz.

My next attempt was using the black box converter to drive a mercury wetted
sealed relay.


--
Jeff-1.0
wa6fwi
http://www.foxsmercantile.com

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