[time-nuts] Trimble Acutime Gold PPS
Mike S
mikes at flatsurface.com
Sun May 19 17:44:01 EDT 2013
On 5/19/2013 5:03 PM, Miguel Barbosa Gonçalves wrote:
> - Port A (T+) to R+ on the converter
> - Port A (T-) to R- on the converter
> - PPS+ to T+ on the converter
> - PPS- to T- on the converter
>
> On the RS232 part of the converter
>
> - TXD (pin 3) to computer pin 1 (DCD)
> - RXD (pin 2)to computer pin 2 (RXD)
> - GND (pin 5)to computer pin 5 (GND)
> I can see the serial time code on the computer yet the PPS (a long 400 ms
> one) doesn't seem to reach the computer.
You're trying to have two different signals sourced on the 422 side
converted to 232 outputs. That converter is bidirectional, it converts
one signal from 422 to 232, and another from 232 to 422. Your PPS signal
is going into an output on the converter.
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