[GreenKeys] TTY Loop Supply

[Paul Heller]

Yes, I had the same question!

Paul
W2TTY

On Apr 28, 2014, at 3:14 PM, Chris Elmquist <chrise at pobox.com> wrote:

> On Sunday (04/27/2014 at 11:29AM -0500), Jack Hart wrote:
>> For those of you who are "loop supply challenged"...
>> 
>> 
>> 
>> see Ebay  171309209986
> 
> Interesting.  I note the "TIP NEGATIVE" notice on the front panel.
> Was that any sort of convention or was the rule that you just had to
> state what the polarity is?
> 
> I guess I'm familiar with other wiring where tip was positive...
> 
> Chris N0JCF
> 
> -- 
> Chris Elmquist
> 
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