REFLECTOR: Trig TT31 Transponder Installation

[John Dibble]

I haven't verified, however at the gps end the serial in and out are a 
twisted pair, so I think it's likely.  For sure there's a wire connected 
to pin 7.  Assuming I don't need this, the Trig instructions call for a 
twisted pair for serial connections.  What will the other wire be doing?

John

On 11/7/2013 11:42 PM, John Tvedte wrote:
>
> John,
>
> I believe the serial IN on the uEncoder is used for the optional RMI 
> compass module.  Are you sure the Serial IN on the uEncoder is wired 
> to the GPS?  On the DB-9 connector, Pin 7, is the Serial IN.
>
> *From:*reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] 
> *On Behalf Of *aminetech at bluefrog.com
> *Sent:* Thursday, November 07, 2013 6:56 PM
> *To:* Velocity Aircraft Owners and Builders list
> *Subject:* REFLECTOR: Trig TT31 Transponder Installation
>
> I'm getting ready to install my TT31.  My RMI encoder serial out goes 
> to my gps.  I will reroute that to the transponder and use the 
> repeater from the transponder to go to the gps.  I see that the 
> "serial in" to my encoder is connected.  I assume that comes from the 
> gps and I want to use that line to go to the transponder for ADS B 
> out.  Can I split the gps serial out and go to both the transponder 
> and encoder or can it only go to one or the other?  What function does 
> the gps serial to the encoder provide?
>
> Thanks,
>
> John
>
>
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