[time-nuts] Z3810 Correction

Bob Camp kb8tq at n1k.org
Sun Dec 7 09:33:41 EST 2014


Hi

Pin 3 is also ground.

The PPS connector is wired the same, plus it has the PPS on pins 1 and 6.

Bob

> On Dec 6, 2014, at 9:34 PM, billriches <bill.riches at verizon.net> wrote:
> 
> Correction of post sent about 5 min ago.
> 
> 
> 
> I had TX- going to pin 7. It should go to Pin 8 of Z3810.
> 
> 
> 
> Bill Riches
> 
> 
> 
> 
> 
> I finally got my 3810 talking with my windows 7 64 bit pc.
> 
> 
> 
> 1. Ordered a Gearmo GM-485422 USB to RS-485-422 interface converter from
> Amazon - 39.95.
> 
> 
> 
> 
> http://www.amazon.com/GearMo%C2%AE-5ft-RS485-RS422-FTDI/dp/B005CPLOVW/ref=sr
> _1_8?ie=UTF8
> <http://www.amazon.com/GearMo%C2%AE-5ft-RS485-RS422-FTDI/dp/B005CPLOVW/ref=s
> r_1_8?ie=UTF8&qid=1417918933&sr=8-8&keywords=gearmo+usb+rs-232+serial+adapte
> r> &qid=1417918933&sr=8-8&keywords=gearmo+usb+rs-232+serial+adapter
> 
> 
> 
> The driver disk that came with this unit does not have 422 drivers on it
> -only rs-232 drivers.  I went to gearmo.com and downloaded the correct
> drivers and a correct manual.  Installed drivers and it works fine.
> 
> 
> 
> 2. Downloaded and installed Z3811.exe. Opened program and I am getting more
> info from the boxes than I will ever need.
> 
> 
> 
> 3. Pin out that worked for me:
> 
> 
> 
> CONVERTER                     Z3810
> 
> 
> 
> TX +                                    4
> 
> TX-                                     8
> 
> RX+                                    5
> 
> RX-                                     9
> 
> GND                                   7
> 
> 
> 
> 73,
> 
> 
> 
> Bill, WA2DVU
> 
> Cape May, NJ    
> 
> 
> 
>  _____  
> 
> 
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