[GreenKeys] patch cord question

[Jeffrey D Angus]

On 2/1/2017 11:14 PM, WA5CAB--- via GreenKeys wrote:
> But the 2-circuit phone plugs, whether single or dual, don't have rings.
> They have tips and sleeves.
>
> In a message jdangus at att.net writes:
>> The signal pairs were "Both Tips" and "Both Rings."
My mistake:
On the standard Telco headset pair, i.e a pair of 1/4" phone plugs
mounted on 3/4" centers
<http://ep.yimg.com/ay/metroline/plantronics-p10-plug-prong-adapter-29362-01-15.png>
RX uses both tips, TX uses both sleeves.
However, if the headset is set up with a PTT switch, that is connected
across both rings.


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

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