[GreenKeys] USB to TTY (model15) interface

[Paul Wills (CKT&T)]

The adapters sold to the "general public" do not have the 45 baud speed 
enabled.

Silicon Devices has, however, a development kit where everything is 
unlocked.  There is also a utility available to set any arbitrary baud 
rate that is wanted. Note that you have to use the older development 
kit.  The one with an "N" in it was "improved" in a way that no longer 
supports 45 baud.  As far as I know, the original kits are still 
available but I wouldn't expect them to be around forever.  I bought a 
couple of spares.

More information on the device can be found here:

https://www.aetherltd.com/connectingusb.html

PDW

On 2/9/2023 11:24 AM, Paul Heller wrote:
> I have purchased a number of these adapters, many claiming they have 
> the prolific chip, and not one of them worked at 45 baud. I have not, 
> however, tried this particular four port model.
>
> YMMV.
>
> Paul
> W2TTY
>
>> On Feb 9, 2023, at 9:03 AM, Eric Moore <mooreericnyc at gmail.com> wrote:
>>
>> 
>> PL2301 based adapters can do 110 baud, I have not tried 45 but they 
>> should work.
>>
>> https://www.amazon.com/DriverGenius-4XRS232-Industrial-Serial-Adapter/
>>
>> This is a four port adapter that uses the PL2301 chip. Bit pricey, 
>> but if you have multiple serial devices, worth the money.
>>
>> -Eric
>>
>
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