[GreenKeys] UGC-136BX sending data

[Nick England]

On my 136A — running full duplex.
On PRINT ENABLE
Off ECHO
On PRINT
AUTO PRINT
I tied DSR to DTR (pins 3-4)

Is the XMIT ACT light on?
Press TX MSG then ENTER

Press CTRL-EXIT to exit transmit mode.

I haven’t fired up my new 136B yet.

Nick England K4NYW
www.navy-radio.com


On Tue, Jul 22, 2025 at 6:31 PM Michael Katzmann <vk2bea at gmail.com> wrote:

> So far the only thing I'm having issue with is sending data from the
> UGC-136BX..
> I get nothing on pin 2 when typing on the keyboard. I gel local echo but
> no change in the voltage on pin 2.
> I've tried setting pin 3 (TX1NH1C) to +6 and to -6V but with no success.
> Before I delve into the circuit, if another Greenkeyer has
> successfully transmitted from the TTY, please let me know the switch
> settings and if you need to tie pin 3.
>
> I might try port 2 (there seems to be three on the 25 pin connector
> according to the manual)
>
> BTW I think it was stated that the unit does not do 45.45 Bd ... it does.
>
> Michael
>
> [image: IMG_20250722_181834.jpg]
>
>
>
> --
>    |\      _,,,---,,_             Michael Katzmann
>    /,`.-'`'    -.  ;-;;,_         NV3Z / VK2BEA / G4NYV
>   |,4-  ) )-,_. ,\ (  `'-'
>  '---''(_/--'  `-'\_)
>
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